JKSSB Museum Curator 2025 Solved Question Paper

Question 1

Butterflies are ....?

Accepted Answer

Option B: Usually day fliers. Butterflies are predominantly diurnal (day fliers), whereas most moths are nocturnal.

Question 2

Safe insecticide for vegetable crop is ....?

Accepted Answer

Option D: Malathion. Malathion is an organophosphate insecticide with relatively low mammalian toxicity and short residual persistence, making it suitable for vegetable crops.

Question 3

Which chemicals do insects use to communicate messages at the following three levels, respectively: within the insect body, intra-specifically (between members of the same species), and inter-specifically(between members of different species)?

Accepted Answer

Option C: Hormone, pheromone and allomone, respectively. Insects communicate internally via Hormones, among conspecifics via Pheromones, and across different species via Allelochemicals (Allomones/Kairomones).

Question 4

Phallic glands in cockroach.......?

Accepted Answer

Option B: Secrete outer covering of spermatophore. In male cockroaches, the phallic or conglobate gland secretes the outermost chitinous layer of the spermatophore.

Question 5

Mouth parts of locusts are of .....?

Accepted Answer

Option A: Biting and chewing type. Locusts (Orthoptera) possess primitive mandibulate mouthparts specialized for biting and chewing vegetation.

Question 6

The larve of Anopheles mosquito.....?

Accepted Answer

Option D: Feeds on the water surface and the respiratory siphon is undeveloped. Anopheles larvae rest parallel to the water surface, lack a respiratory siphon, and breathe directly through spiracles.

Question 7

The scientific name of blood red ants is .......?

Accepted Answer

Option A: Formica sanguinea. Formica sanguinea is commonly known as the blood-red ant or slavemaker ant.

Question 8

During a field study, three insects wiht the following characteristics were observed:
1. Elongate, membranous wings with netlike venation, long and slender abdomen, large compound eyes.
2. Small bodied, sucking mouth parts, narrow wings fringed with setae.
3. Sclerotized forewings, membranous hindwings, chewing mouth parts.
They can be identified to their respective order as

Accepted Answer

Option D: 1-Odonata; 2-Thysanoptera; 3-Coeloptera. 1 = Odonata (Dragonflies), 2 = Thysanoptera (Thrips with fringed wings), 3 = Coleoptera (Beetles with elytra).

Question 9

Vibrio cholerae, the causal agent of cholera, can be carried from one place to another on the feet of flies. This is an example of which type of transmission?

Accepted Answer

Option B: Mechanical. Mechanical vector transmission occurs when an arthropod passively carries pathogens on its feet or body without pathogen multiplication.

Question 10

Viruses are: -

Accepted Answer

Option A: Obligate parasites. Viruses are obligate intracellular parasites that cannot replicate outside of a living host cell.

Question 11

Match List-I with List-II
1. Ustilago tritici
2. Puccinia
3. Agrobacterium tumefaciens
4. Phytophthora infestans

List-II:
I. Crown gall disease
II. Blight of Potato
III. Loose smuts of wheat
IV. Leaf rusts

Choose the correct answer from the options given below:

Accepted Answer

Option A: 1-III, 2-IV, 3-I, 4-II. Ustilago tritici -> Loose smut of wheat (III), Puccinia -> Leaf rust (IV), Agrobacterium tumefaciens -> Crown gall (I), Phytophthora infestans -> Late blight of potato (II).

Question 12

Mushrooms and puffballs belong to which class of fungi?

Accepted Answer

Option B: Basidiomycetes. Mushrooms, puffballs, bracket fungi, and smuts belong to the fungal class Basidiomycetes (Club fungi).

Question 13

Term vaccine was coined by .....?

Accepted Answer

Option B: Louis Pasteur. Louis Pasteur coined the term 'vaccine' in 1881 to honor Edward Jenner's pioneering discovery using cowpox (Variolae vaccinae).

Question 14

Match List-I with List - II
1. Lichens
2. Viroids
3. Bacteriophage
4. Mycoplasma

List - II:
I. Protein coat called capsid protects nucleic acid
II. Completely lack cell wall and smallest living cell
III. Good pollution indicators
IV. A free RNA lacking protein coat

Choose the correct answer from the options given below:

Accepted Answer

Option D: 1-III, 2-IV, 3-I, 4-II. Lichens -> Pollution indicators (III), Viroids -> Naked infectious RNA (IV), Bacteriophage -> Capsid with nucleic acid (I), Mycoplasma -> Wall-less smallest cells (II).

Question 15

The Primary target of HIV is :

Accepted Answer

Option D: CD4+T-lymphocytes. HIV selectively binds to the CD4 receptor and CCR5/CXCR4 coreceptors on helper T-lymphocytes (CD4+ T cells).

Question 16

Who accidentally identified the antimicrobial action of penicillin?

Accepted Answer

Option C: Alexander Fleming. Sir Alexander Fleming discovered the antibacterial properties of penicillin from Penicillium notatum mold in 1928.

Question 17

Gram-positive bacteria stain purple due to the presence of :

Accepted Answer

Option B: Thick peptidoglycan layer. Gram-positive bacteria possess a thick multi-layered peptidoglycan cell wall that traps the crystal violet-iodine mordant complex.

Question 18

The two main characteristic of hotspot are :

Accepted Answer

Option A: The area must contain 0.5% of world's 3,00,000 species and should have lost 70% or more of its primary vegetation.. Norman Myers criteria for a Biodiversity Hotspot: (1) It must contain at least 1,500 endemic vascular plant species (>0.5% of world total); (2) It must have lost at least 70% of its original primary habitat.

Question 19

Wide variety of living organism is called:

Accepted Answer

Option A: Biodiversity. Biodiversity refers to the variety and variability of all living organisms across genetic, species, and ecosystem levels.

Question 20

The highest DDT concentration in aquatic food chain shall occur:

Accepted Answer

Option B: Seagull. Due to biomagnification, fat-soluble persistent pollutants like DDT accumulate to the highest concentrations at the apex trophic level (piscivorous birds like seagulls).

Question 21

In which of the following lakes of India, the world's only floating National Park is located?

Accepted Answer

Option D: Loktak lake. Keibul Lamjao National Park on Loktak Lake in Manipur is the world's only floating national park, home to the endangered Sangai brow-antlered deer.

Question 22

Globally threatened bird species is :

Accepted Answer

Option B: Great Indian bustard. The Great Indian Bustard (Ardeotis nigriceps) is Critically Endangered on the IUCN Red List.

Question 23

"The project tiger" was initiated in :

Accepted Answer

Option A: 1973. Project Tiger was launched by the Government of India on April 1, 1973, from Jim Corbett National Park.

Question 24

The idea of "Red Data Book" was given by :

Accepted Answer

Option C: Peter Scott. Sir Peter Scott, founder of WWF and Chair of the IUCN Species Survival Commission, conceived the Red Data Book in 1963.

Question 25

Flying squirrels are reported in which of this sanctuary:

Accepted Answer

Option B: Sitamata Sanctuary. Sitamata Wildlife Sanctuary in Pratapgarh district, Rajasthan, is renowned for its nocturnal Indian giant flying squirrel population.

Question 26

The number of individuals in reproductive age is more than pre-reproductive phase in :

Accepted Answer

Option A: Declining population. An urn-shaped age pyramid where reproductive/post-reproductive cohorts exceed the pre-reproductive base represents a declining population.

Question 27

Given below are names of scientists and phrases describing their work, which may or may not be matched.
Name of Scientist:
i. Wallace
ii. Lyell
iii. Lamarck
iv. Cuvier

Work:
1. Inheritance of acquired characters
2. Natural selection is differential survival or reproduction
3. Processes that alter the earth are uniform through time
4. Earth's geology and natural history have been shaped by periods of catastrophic extinction and new creations.
5. Ontogeny recapitulates phylogeny.

Which one of the following options represents correct matches between the scientist and his/her work?

Accepted Answer

Option B: i-2; ii-3; iii-1; iv-4. Wallace -> Natural selection (2), Lyell -> Uniformitarianism (3), Lamarck -> Inheritance of acquired characters (1), Cuvier -> Catastrophism (4).

Question 28

Among the following events in history of life
i. Prokaryotic cell
ii. Eukaryotic cell
iii. Natural selection
iv. Organic molecules
v. Self-replicating molecule
Which is the correct chronological order:

Accepted Answer

Option B: iv -> v -> i -> ii -> iii. Origin of life sequence: Abiotic organic synthesis (iv) -> RNA/Self-replicating replicators (v) -> First prokaryotes (i) -> Eukaryotic compartmentalization (ii) -> Evolutionary diversification (iii).

Question 29

With time molecular distance between organisms increases during evolution largely due to

Accepted Answer

Option B: Neutral mutation. Motoo Kimura's Neutral Theory of Molecular Evolution demonstrates that the majority of evolutionary divergence at the molecular sequence level is driven by the steady accumulation of neutral mutations.

Question 30

In a population frequency of a homozygous recessive disease is 16% then the frequency of dominant allele would be

Accepted Answer

Option C: 0.6. By Hardy-Weinberg law, $q^2 = 0.16 \implies q = \sqrt{0.16} = 0.4$. The frequency of the dominant allele is $p = 1 - q = 1 - 0.4 = 0.6$.

Question 31

Darwinian evolutionary fitness is measured in term of

Accepted Answer

Option C: Reproductive success. Darwinian fitness (relative fitness) is quantitatively measured by an individual's relative lifetime reproductive success and viable offspring contribution.

Question 32

The correct order of periods from Paleozoic to Mesozoic era is

Accepted Answer

Option C: Cambrian -> Ordovician -> Silurian -> Devonian -> Carboniferous -> Permian -> Triassic -> Jurassic -> Cretaceous. Geological time scale: Paleozoic (Cambrian -> Ordovician -> Silurian -> Devonian -> Carboniferous -> Permian) followed by Mesozoic (Triassic -> Jurassic -> Cretaceous).

Question 33

Crossing over in diploid organism is responsible for

Accepted Answer

Option C: Recombination. Meiotic crossing over during pachytene of prophase I breaks linkage groups to generate genetic recombination and novel allelic combinations.

Question 34

How many true breeding pea varieties were selected by Mendel?

Accepted Answer

Option D: 14. Gregor Mendel selected 14 true-breeding pea plant varieties (7 distinct pairs of contrasting traits).

Question 35

Which one of the disorders is not due to sex-linked inheritance?

Accepted Answer

Option D: Down's syndrome. Down's syndrome is an autosomal aneuploidy caused by trisomy of chromosome 21, whereas color blindness, hemophilia, and Lesch-Nyhan are X-linked recessive.

Question 36

Match the following human diseases with their casual organisms
1. Sleeping Sickness
2. Chagas disease
3. Elephantiasis
4. Lyme disease

Organisms:
i. Trypanosoma cruzi
ii. Trypanosoma brucei
iii. Borrelia burgdorferi
iv. Wuchereria bancrofti

Choose the correct option:

Accepted Answer

Option C: 1-ii; 2-i; 3-iv; 4-iii. Sleeping sickness -> Trypanosoma brucei (ii), Chagas disease -> Trypanosoma cruzi (i), Elephantiasis -> Wuchereria bancrofti (iv), Lyme disease -> Borrelia burgdorferi (iii).

Question 37

Bipinnaria and brachiolaria are the larvel forms of

Accepted Answer

Option D: Asteroidea. Bipinnaria and brachiolaria are the free-swimming bilateral larval stages of class Asteroidea (Starfish).

Question 38

The phylum in which the animals are bilaterally symmetrical in the larvel stage and radially symmetrical in the adult stage is

Accepted Answer

Option D: Echinodermata. Phylum Echinodermata exhibits secondary pentamerous radial symmetry in adults while retaining bilateral symmetry in their larval stages.

Question 39

Match the following larval forms with phyla that they occur in
Larva:
1. Amphiblastula
2. Nauplius
3. Glochidium
4. Bipinnaria

Phylum:
i. Mollusca
ii. Echinodermata
iii. Porifera
iv. Arthropoda
v. Annelida

Choose the correct option:

Accepted Answer

Option A: 1-iii; 2-iv; 3-i; 4-ii. Amphiblastula -> Porifera (iii), Nauplius -> Arthropoda/Crustacea (iv), Glochidium -> Mollusca (i), Bipinnaria -> Echinodermata (ii).

Question 40

Pearl is obtained from

Accepted Answer

Option A: Lamellidens. Freshwater pearls are harvested from freshwater mussels such as Lamellidens marginalis (Bivalvia/Unionidae).

Question 41

Branchiostoma is a

Accepted Answer

Option C: deuterostome and enterocoelomate. Branchiostoma (Amphioxus/Cephalochordata) is a deuterostome in which the coelom forms by outpocketing of the archenteron (enterocoely).

Question 42

The organs 'radula' and 'clitellum' are found in

Accepted Answer

Option D: Mollusca and Annelida, respectively.. The rasping radula is characteristic of Mollusca, while the glandular clitellum is characteristic of Annelida (Oligochaeta/Hirudinea).

Question 43

Which of the following is not a characteristic of phylum Chordata?

Accepted Answer

Option B: Amniotic egg. The four diagnostic chordate synapomorphies are: notochord, dorsal hollow nerve cord, pharyngeal slits, and post-anal tail. An amniotic egg is present only in amniotes (reptiles, birds, mammals), not anamniotes.

Question 44

Henle's loop is present only in

Accepted Answer

Option A: Birds and Mammals. Loops of Henle evolved specifically in the metanephric nephrons of mammals and birds to generate hypertonic urine via countercurrent multiplication.

Question 45

Which of the following compound is capable to inhibit transcription elongation, both in prokaryotes and eukaryotes?

Accepted Answer

Option D: Actinomycin-D. Actinomycin D intercalates into G-C rich duplex DNA, inhibiting RNA polymerase elongation across both prokaryotic and eukaryotic transcriptomes.

Question 46

The 5' Cap of RNA is required for the

Accepted Answer

Option B: Stability and transport of RNA. The 7-methylguanosine 5' cap protects mRNA from 5' exonucleolytic degradation, facilitates nuclear export, and mediates ribosome binding for translation initiation.

Question 47

An antibiotic that resembles the 3' end of a charged tRNA molecules is :

Accepted Answer

Option C: Puromycin. Puromycin is a structural analog of the 3' tyrosyl-tRNA aminoacyl terminus that enters the ribosomal A-site, causing premature chain termination.

Question 48

During DNA replication, events at the replication fork require different types of enzymes having specialized functions except?

Accepted Answer

Option D: DNA glycosylase. DNA glycosylases operate in Base Excision Repair (BER) pathways, not as core replication fork replication machinery.

Question 49

Which is correct for termination of transcription in eukaryotes?

Accepted Answer

Option C: Terminates after poly adenylation site. Eukaryotic RNA Polymerase II transcribes beyond the AAUAAA polyadenylation signal before cleavage occurs 10–30 nucleotides downstream.

Question 50

Telomeres consist of

Accepted Answer

Option A: Simple tandem repeats. Eukaryotic chromosome telomeres comprise repetitive short hexanucleotide tandem repeats (e.g. 5'-TTAGGG-3' in vertebrates).

Question 51

Predominant interactions between phospholipids that stabilize a biological membrane include?

Accepted Answer

Option C: Hydrophobic interactions and hydrogen bonding. Lipid bilayers are driven and stabilized by hydrophobic interactions between nonpolar acyl chains and hydrogen bonding at polar headgroups.

Question 52

The pH of the blood can be maintained by

Accepted Answer

Option D: Carbonate/bicarbonate salt. The primary physiological extracellular buffer system maintaining blood pH near 7.4 is the carbonic acid/bicarbonate buffer pair ($H_2CO_3 / HCO_3^-$).

Question 53

The site for oxidative phosphorylation in eukaryotes is

Accepted Answer

Option A: Inner membrane of mitochondria. Oxidative phosphorylation and the electron transport chain (Complexes I–IV and ATP synthase) reside on the mitochondrial inner membrane cristae.

Question 54

In biological clock, 'circadian rhythm' is term used for

Accepted Answer

Option D: 24 hrs. Circadian rhythms are endogenous biological oscillations recurring on an approximate 24-hour cycle (circa = around, dies = day).

Question 55

When honey bee discovers a food source less than 250 feet away from the hive, it passes on the information to other bees by performing?

Accepted Answer

Option B: Round dance. Karl von Frisch proved that honeybees perform the round dance (Rundtanz) for nearby food sources (<50–100m) and the waggle dance (Schwänzeltanz) for distant sources.

Question 56

Term 'ethology' was introduced by

Accepted Answer

Option C: Niko Tinbergen. Niko Tinbergen and Konrad Lorenz established ethology as the scientific study of animal behavior in natural environments.

Question 57

Functions of pheromones are

Accepted Answer

Option D: All of the above. Pheromones serve diverse semiochemical functions including mate attraction, trail marking, alarm signaling, and reproductive caste suppression in eusocial insects.

Question 58

Match the following:
Ethologist:
1) Jane Van Lawick Goodall
2) Dian Fossey
3) George Schaller
4) Irwin Vore

Animal Studied:
i. Gorilla
ii. Tigers
iii. Chimpanzees
iv. Baboons

Choose the correct options:
1 2 3 4

Accepted Answer

Option A: iii i ii iv. Goodall -> Chimpanzees (iii), Fossey -> Mountain Gorillas (i), Schaller -> Tigers/Serengeti predators (ii), DeVore -> Baboons (iv).

Question 59

Succession on sand known as :

Accepted Answer

Option D: Pasammosere. Ecological plant succession initiating on sand dunes is termed a psammosere.

Question 60

A majority of organism which are restricted to a narrow range of temperature are called as

Accepted Answer

Option A: Stenothermal. Stenothermal organisms can only tolerate and survive within a narrow environmental temperature range.

Question 61

Identify the correct match:
Column-I:
i) Species diversity
ii) Species dominance
iii) Stratification
iv) Key stone Species

Column-II:
1. Great influence on community stability
2. Zonation according to the need of light
3. Different type of species in a community
4. Highest no.of one type of species

Choose the correct Answer

Accepted Answer

Option B: i-3, ii-4, iii-2, iv-1. i-3 (Diversity = variety of species), ii-4 (Dominance = highest abundance), iii-2 (Stratification = vertical light zonation), iv-1 (Keystone = disproportionate community stability impact).

Question 62

Total number of biological hot spot in India

Accepted Answer

Option B: 4. India encompasses 4 recognized Biodiversity Hotspots: (1) The Himalayas, (2) Indo-Burma, (3) Western Ghats & Sri Lanka, and (4) Sundaland (Nicobar Islands).

Question 63

The behaviour of young ducks following their mother is known as

Accepted Answer

Option D: Imprinting. Filial imprinting is a specialized phase-sensitive learning process where hatchlings rapidly bond to and follow the first moving object encountered.

Question 64

A process in which an animal learns to associate a previously neutral stimulus with a behaviour that was once triggered by a different stimulus is called.

Accepted Answer

Option A: Classical conditioning. Classical conditioning (Pavlovian conditioning) pairs a conditioned neutral stimulus with an unconditioned stimulus to elicit a conditioned response.

Museum Curator2025

📝 Solved Questions with Detailed Explanations100% Free • No Login Required

JKSSB — Museum Curator (2025)

Butterflies are ....?

Safe insecticide for vegetable crop is ....?

Which chemicals do insects use to communicate messages at the following three levels, respectively: within the insect body, intra-specifically (between members of the same species), and inter-specifically(between members of different species)?

Phallic glands in cockroach.......?

Mouth parts of locusts are of .....?

The larve of Anopheles mosquito.....?

The scientific name of blood red ants is .......?

Vibrio cholerae, the causal agent of cholera, can be carried from one place to another on the feet of flies. This is an example of which type of transmission?

Viruses are: -

Match List-I with List-II1. Ustilago tritici2. Puccinia3. Agrobacterium tumefaciens4. Phytophthora infestansList-II:I. Crown gall diseaseII. Blight of PotatoIII. Loose smuts of wheatIV. Leaf rustsChoose the correct answer from the options given below:

Mushrooms and puffballs belong to which class of fungi?

Term vaccine was coined by .....?

The Primary target of HIV is :

Who accidentally identified the antimicrobial action of penicillin?

Gram-positive bacteria stain purple due to the presence of :

The two main characteristic of hotspot are :

Wide variety of living organism is called:

The highest DDT concentration in aquatic food chain shall occur:

In which of the following lakes of India, the world's only floating National Park is located?

Globally threatened bird species is :

"The project tiger" was initiated in :

The idea of "Red Data Book" was given by :

Flying squirrels are reported in which of this sanctuary:

The number of individuals in reproductive age is more than pre-reproductive phase in :

Among the following events in history of lifei. Prokaryotic cellii. Eukaryotic celliii. Natural selectioniv. Organic moleculesv. Self-replicating moleculeWhich is the correct chronological order:

With time molecular distance between organisms increases during evolution largely due to

In a population frequency of a homozygous recessive disease is 16% then the frequency of dominant allele would be

Darwinian evolutionary fitness is measured in term of

The correct order of periods from Paleozoic to Mesozoic era is

Crossing over in diploid organism is responsible for

How many true breeding pea varieties were selected by Mendel?

Which one of the disorders is not due to sex-linked inheritance?

Match the following human diseases with their casual organisms1. Sleeping Sickness2. Chagas disease3. Elephantiasis4. Lyme diseaseOrganisms:i. Trypanosoma cruziii. Trypanosoma bruceiiii. Borrelia burgdorferiiv. Wuchereria bancroftiChoose the correct option:

Bipinnaria and brachiolaria are the larvel forms of

The phylum in which the animals are bilaterally symmetrical in the larvel stage and radially symmetrical in the adult stage is

Match the following larval forms with phyla that they occur inLarva:1. Amphiblastula2. Nauplius3. Glochidium4. BipinnariaPhylum:i. Molluscaii. Echinodermataiii. Poriferaiv. Arthropodav. AnnelidaChoose the correct option:

Pearl is obtained from

Branchiostoma is a

The organs 'radula' and 'clitellum' are found in

Which of the following is not a characteristic of phylum Chordata?

Henle's loop is present only in

Which of the following compound is capable to inhibit transcription elongation, both in prokaryotes and eukaryotes?

The 5' Cap of RNA is required for the

An antibiotic that resembles the 3' end of a charged tRNA molecules is :

During DNA replication, events at the replication fork require different types of enzymes having specialized functions except?

Which is correct for termination of transcription in eukaryotes?

Telomeres consist of

Predominant interactions between phospholipids that stabilize a biological membrane include?

The pH of the blood can be maintained by

The site for oxidative phosphorylation in eukaryotes is

In biological clock, 'circadian rhythm' is term used for

When honey bee discovers a food source less than 250 feet away from the hive, it passes on the information to other bees by performing?

Term 'ethology' was introduced by

Functions of pheromones are

Match the following:Ethologist:1) Jane Van Lawick Goodall2) Dian Fossey3) George Schaller4) Irwin VoreAnimal Studied:i. Gorillaii. Tigersiii. Chimpanzeesiv. BaboonsChoose the correct options:1 2 3 4

Succession on sand known as :

A majority of organism which are restricted to a narrow range of temperature are called as

Total number of biological hot spot in India

The behaviour of young ducks following their mother is known as

A process in which an animal learns to associate a previously neutral stimulus with a behaviour that was once triggered by a different stimulus is called.

An animal's ability to escape from a predator by using the explored knowledge of home are is an example of

Aquarium fish often swim to the water's surface when a person approaches. Their behavior has probably formed through.

Match the following:1. Conditioning2. Instinct3. Tagging4. ReachingDescriptions:i. Animal intelligenceii. Innate behaviouriii. Learned behaviouriv. Tracking animalsChoose the correct Option:

Altruistic behaviour is not seen in

Match the following1. Jawless vertebrate2. Flightless bird3. Cartilaginous fish4. AmphibianExamples:i. Ichthyophisii. Sharkiii. Lampreyiv. CassowaryChoose the correct Option:

Snakes are sensitive to

In which of the animals the heart does not have the left and right auricles?

Which of the following scenarios best describes kin selection in population biology?

Which of the following is a key characteristic of a meta-population?

Which of the following is the most accurate statement about inbreeding depression?

In a population of wildflowers, the gene for flower color has two alleles: red (R) and white (r). If the population is in Hardy-Weinberg equilibrium, and the frequency of the white allele (r) is 0.3, what is the expected frequency of heterozygous individuals (Rr)?

In a population, the frequency of the dominant allele (A) is 0.7. What is the expected proportion of homozygous recessive individuals (aa) in this population.

What term best describes the type of interaction where two species use the same resources, leading to a negative impact on both species due to competition?

Which of the following is the primary factor limiting the growth of a population in an environment with abundant resources?

In the context of environmental factors, which of the following is an example of a density-dependent factor that regulates population size?

Which of the following is an example of coevolution between two species?

Which of the following best describes r-selected species?

Match List-I with List-II
1. Ustilago tritici
2. Puccinia
3. Agrobacterium tumefaciens
4. Phytophthora infestans

List-II:
I. Crown gall disease
II. Blight of Potato
III. Loose smuts of wheat
IV. Leaf rusts

Choose the correct answer from the options given below:

Among the following events in history of life
i. Prokaryotic cell
ii. Eukaryotic cell
iii. Natural selection
iv. Organic molecules
v. Self-replicating molecule
Which is the correct chronological order:

Match the following human diseases with their casual organisms
1. Sleeping Sickness
2. Chagas disease
3. Elephantiasis
4. Lyme disease

Organisms:
i. Trypanosoma cruzi
ii. Trypanosoma brucei
iii. Borrelia burgdorferi
iv. Wuchereria bancrofti

Choose the correct option:

Match the following larval forms with phyla that they occur in
Larva:
1. Amphiblastula
2. Nauplius
3. Glochidium
4. Bipinnaria

Phylum:
i. Mollusca
ii. Echinodermata
iii. Porifera
iv. Arthropoda
v. Annelida

Choose the correct option:

Match the following:
Ethologist:
1) Jane Van Lawick Goodall
2) Dian Fossey
3) George Schaller
4) Irwin Vore

Animal Studied:
i. Gorilla
ii. Tigers
iii. Chimpanzees
iv. Baboons

Choose the correct options:
1 2 3 4

Match the following:
1. Conditioning
2. Instinct
3. Tagging
4. Reaching

Descriptions:
i. Animal intelligence
ii. Innate behaviour
iii. Learned behaviour
iv. Tracking animals

Choose the correct Option:

Match the following
1. Jawless vertebrate
2. Flightless bird
3. Cartilaginous fish
4. Amphibian

Examples:
i. Ichthyophis
ii. Shark
iii. Lamprey
iv. Cassowary

Choose the correct Option:

Match the following:
National Park:
1. Gir National Park
2. Jim Corbett National Park
3. Desert National Park
4. Kuno National Park

State:
I. Rajasthan
II. Gujarat
III. Madya Pradesh
IV. Uttarakhand

Choose the correct Option:

Match the following:
Country:
1. India
2. Bhutan
3. Afghanistan
4. Nepal

National Bird:
I. Himalayan Monal
II. Golden Eagle
III. Peacock
IV. Raven

Choose the correct Option:

Assertion(A): T-helper cells are critical in coordinating adaptive immune responses.
Reason(R) : They produce antibodies to target pathogens directly.

Options:

Assertion (A): Sponges lack true tissues and organs.
Reason(R) : They are categorized under the subkingdom Parazoa.

Options:

Assertion (A): Mammals are the only vertebrates that exhibit diaphragmatic breathing.
Reason (R) : The diaphragm in mammals is crucial for oxygen supply during high-energy activities.

Options:

Assertion (A): Natural selection is the only mechanism responsible for evolutionary change.
Reason(R) : Genetic drift and mutations play minimal roles in shaping populations.

Options:

Assertion (A): Primary succession occurs faster than secondary succession
Reason (R) : Soil is already present in secondary succession, whereas it needs to develop in primary succession.

Options:

Assertion(A): Altruistic behavior is exclusively seen in social insects.
Reason(R) : Kin selection explains altruistic acts towards close relatives in both insects and vertebrates.

Options:

Assertion(A): Gram-negative bacteria have a thicker peptidoglycan layer than Gram positive bacteria.
Reason(R) : The outer membrane in Gram-negative bacteria adds an additional barrier, reducing permeability.

Options:

Assertion (A): Plasmodium vivax can infect individuals who lack the Duffy antigen on their red blood cells.
Reason(R) : The Duffy antigen acts as a receptor for Plasmodium vivax in erythrocytes.

Options:

Assertion (A) : Tumor suppressor genes function by promoting uncontrolled cell division.
Reason (R) : Loss of function mutations in tumor suppressor genes are associated with cancer.

Options:

Assertion(A) : The Golgi apparatus is involved in synthesizing proteins.
Reason (R) : It modifies, packages, and sorts proteins synthesized by ribosomes.

Options:

Assertion(A) : All point mutations lead to observable phenotypic changes.
Reason (R) : Silent mutations do not alter the amino acid sequence of a protein

Options:

Assertion(A) : A Population exhibiting exponential growth will have a J-shaped growth curve.
Reason (R) : Exponential growth occurs under ideal conditions of unlimited resources.

Options: