Full Syllabus Biology-- 02 (NEET/AIIMS Online Practice Exam)

Improved variety of wheat 'Sonalika' is developed by which method :-
1. Introduction
2. Mutation
3. Hybridisation
4. Tissue Culture
The above figure is related with myosin monoer (Meromyosin). Identify A to C
1. A-head, B-cross arm, C-GTP binding sties
2. A-head, B-cross arm, C-Ca ⁺⁺ binding sites
3. A-head, B-cross arm, C-ATP binding sites
4. A-cross arm, B-head, C-ATP binding sites
'Pusa swarnim' variety is resistant to white rust disease. It is a variety of :-
1. Wheat
2. Brassica
3. Chilli
4. Cauliflower
Following is the figure of atin (thin) filaments. Identify A, B and C.
1. A-Tropomyosin, B-Troponin, C-F- actin
2. A-Troponin, B-Myosin, C-Tropomyosin
3. A-Troponin, B-Tropomyosin, C-Myosin
4. A-Troponin, B- Tropomyosin, C-F-actin
Breeding crop with higher levels of nutrients, to improve public health is called :-
1. Organic farming
2. Biofortification
3. Bio informatics
4. Genetic enginering
In acquired immunity, lymphocytes provide specific defenses against infections. A lymphocyte actually recognizes and binds to just a small, accessible portion of an antigen, called :-
1. paratope
2. F_ab (antigen binding fragment)
3. epitope
4. F_c (crystallisable fragment)
Which statement is true –
1. Coacervates has lipid membrane arround it
2. During evolution protein form before glucose
3. Coacervates term given by oparin
4. First autotrophs are photoautotrophs
(a) Patrol the body and attack virus-infected cells and cancer cells
(b) cause Apoptosis of target cells
(c) defence is not 100% effective
(d) mature in blood
(e) don't need antigen presentation for their action
(f) contain perforins and granzymes
above given statements are correct for :-
1. Professional phagocytes
2. N.K.cells
3. Dendritic cells
4. Antigen presenting cells
Origin of first vertebrate took place in –
1. Ordovician period
2. Carboniferous period
3. Devonian period
4. Permian period
Four events A, B, C and D occurs during mitosis in the following sequence B →D →C →A
Choose the correct match for A, B, C and D from the following :-
(i) Chromosomes decondense
(ii) Chromatids moves to opposite pole
(iii) Centrioles moves toward opposite pole
(iv) Chromosomes arrange on equator
1. A → (iv) B → (iii) C → (ii) D → (i)
2. A → (ii) B → (i) C → (iii) D → (iv)
3. A → (i) B → (iii) C → (ii) D → (iv)
4. A → (iv) B → (ii) C → (iii) D → (i)
Testes in male and ovaries in females are example of –
1. Analogous organ
2. Homologous organ
3. Vestigial organ
4. None
(a) Particles observed by George palade are composed of two subunits
(b) Cilia causing the movement of either the cell or the surrounding fluid
(c) The ribosomes on ER are bigger than the cytoplasmic ribosome
1. a, b correct and c incorrect
2. a incorrect and b, c correct
3. a, b incorrect and c correct
4. a correct and b, c incorrect
Mule is a hybrid. Which of the following statement is correct –
1. Mule is not a species
2. Mule is a new species
3. Horse and ass are two population
4. Mule represents a common ancestor of horse and ass
Insuline is an important hormone for human which is synthesized in b cell of pancreas. The secretion of insuline by b cell is mediated through
1. Mitochondria
2. Lysosome
3. Golgi body
4. Peroxisome
The wings of an insect and a bat exhibit –
1. Homology
2. Analogy
3. Atavism
4. Connective link
The chloroplast contain :-
1. Photosynthetic pigments are located in stroma
2. Enzyme for dark reaction located in thylakoids
3. Ribosome similar in size and density to that of mammalian mitochondria
4. ds DNA in stroma
Embryo culture is mostly used for –
1. Establishing suspension culture
2. Recovery of interspecific hybrids
3. Somatic hybridisation
4. Haploid plant production
A DNA chain is:-
1. 5' phosphate end and 3' phosphate end
2. 5' phosphate end and 3' OH end
3. 5' OH end and 3' phosphate end
4. 5' OH end and 5' phosphate end
Match the different types of spores listed under column I with the names of the organism given under

column II.

Options -:-
1. A = s B =t C = p D = q
2. A = s B = p C = t D = q
3. A = s B = p C = r D = q
4. A =s B = r C = p D = q
Father of experimental genetics T.H. Morgan work on :-
1. Garden Pea
2. Drosophila
3. Hieracium
4. None
The odd one amongest following is :-
1. Nitrococcus, Nitrobacter, Nitrosomonas
2. Rhizobium, Aulosira, Bacillus, Polymyxa
3. Clostridium, Rhizobium, Nostoc
4. Anabaena, Nostoc, Azotobacter, Clostridium
Which of the following is not a discontinuous germianl variation :-
1. Hairless cats
2. Number of grains in ear of wheat
3. Polydactyly in human
4. Short legged ancon sheep
Which of these is correct statement :-
1. Bryophytes are the first vascular cryptogames
2. All pteridophytes require water for fertilization and are homosporous
3. Cordaitales are abundant in coniferous forests
4. Gymnosperms are spermatophytes to have naked ovules
Albinism is determined by a recessive gene in man. The presence of albinism in 50% children born to a couple proves that :-
1. Both parents are heterozygous
2. Father is homozygous normal and mother is albino
3. Both parents are homozygous
4. Father is carrier and mother is albino
Multicellular branched rhizoids and leafy gametophytes are characteristic of :-
1. All bryophytes
2. Some bryophytes
3. All pteridophytes
4. Some pteridophytes
How many of the following statement is/are correct with respect to menstrual cycle ?
(A) The first menstruation begins at puberty and is called menopause
(B) Menstruation only occurs if the released ovum is not fertilised.
(C) During pregnancy all events of the menstrual cycle stop and there is no menstruation
(D) In mammals, menstrual cycles Ceases around 50 years of age
1. Four
2. Three
3. Two
4. One
Sexual reproduction of spirogyra is :-
1. Morphological as well as physiological isogamy
2. Morphological as well as physiological anisogamy
3. Morphological isogamy & physiological anisogamy
4. Morphological anisogamy and physiological isogamy
Match the items in column-I with those in column-II and find out the correct answer ?
1. A-(iv), B-(iii), C-(i), D-(v), E-(ii)
2. A-(iv), B-(iii), C- (v), D-(i), E-(ii)
3. A-(iv), B-(i), C-(iii), D-(ii), E-(v)
4. A-(ii), B-(iii), C-(v), D-(iv), E-(i)
“The asexual spores are not found, but vegetative reproduction by fragmentation is common” Which one is the suitable example in fungi for above statement ?
1. Ustilago
2. Colletotrichum
3. Trichoderma
4. Aspergillus
Which of the following process of reproductive event occurs after fertilisation ?
1. Acrosomal reaction
2. Cortical reaction
3. Capacitation
4. Morphogenetic movements
What will be the correct ploidy sequence in the mentioned below ?
(A) Protonemal cell of a moss
(B) Gymnospermic endosperm
(C) Leaf cell of a moss
(D) Prothallus cell of a fern
(E) Gemma cell in marchantia
Option -
1. n, 3n, n, 2n, n
2. n, n, n, n, n
3. n, 2n, n, 2n, 2n
4. n, 2n, n, n, 2n
If medulla oblongata is destroyed then which of the following function will be effected ?
1. No olfaction
2. No visual reflex
3. No thermoregulation
4. No response when prickled with needle.
Which of the following taxa show zoodiogamous oogamy ?
(A) Spirogyra
(B) Funaria
(C) Pteris
(D) Cycas
1. A, B and C
2. A, C and D
3. A, B and D
4. B and C
Transportation of which hormone peformed by axon of neuron and then by blood stream ?
1. Thyroxine
2. Oxytocin
3. Cortisol
4. Aldosterone
Select the incorrect statement in the following :-
1. In green algae sexual reproduction may be isogamas, anisogamous or oogamous
2. In red Algae sexual reproduction is oogamous and accompanied by complex post fertilization development
3. In brown Algae sexual reproduction may be isogamous, Anisogamous or oogamous.
4. In Bryophyta zygote undergo reduction division immediately
If Stimulus present in neuron, it represents:-
1. Excited condition - permeability for K⁺ ions by KK⁺ VGC
2. Polarised condition – permeability for Na⁺ ions by Na-K-pump
3. Excited condition - permeability for Na⁺ ions by K⁺ VGC and impermeability for K⁺ by passive channels
4. Excited condition- High premeability for Na⁺ ions and nearly impermeability for K⁺ .
Which of the following is not an example of intergenic interation ?
1. Duplicate gene
2. Additive gene
3. Collaborative gene
4. Co-dominance
Find out correct matching set :-
1. (1)
2. (2)
3. (3)
4. (4)
In a family, male is carrier for albinism and female is albino, then what will be probability of minimum one albino out of three children ?
1. 3/8
2. 1/8
3. 7/8
4. 3/8 + 1/8
Read the following statements :-
(A) High H⁺ concentration and higher temperature are favourable for dissociation of oxygen from oxyhaemoglobin.
(B) Partial pressure of oxygen in alveoli is higher than in tissue.
(C) The maximum volume of air a person can breath in after a forced expiration is vital capacity.
(D) In alveoli PCO₂ low and PO₂ high are for dissociation of CO₂ from carbamino- haemoglobin.
How many statements are corect ?
1. One
2. Two
3. Three
4. Three
X–linked recessive gene easily expresses itself in ?
1. 2A + xy (male)
2. 2a + xx (female)
3. 2A + xo (female) Turner syndrome
4. Both 2A + xy (male) and 2A + xo (female) Turner syndrome
The hormone which check on the renin angiotensin mechanism is released by :-
1. Kidney
2. Hypothalamus
3. Heart
4. Lungs
In Nicotiana four alleles S1, S2, S3 & S4 governed self sterility. Which of the following genotype is not possible in progenies ?
1. S2S3
2. S1S2
3. S3S3
4. S3S4
Which of the following statements are correct:-
(A) Systemic circulation takes place between left ventricle and right atrium of heart.
(B) Adrenal medullary hormones can decrease the cardiac output.
(C) Heart failure is not the same as cardiac arrest or heart attack.
(D) The opening between the right atrium and the right ventricle is guarded by a value formed of two muscular flaps
1. Two
2. One
3. Four
4. Three
Discontinuous variations are due to :-
1. Crossing over
2. Mutation
3. Segregation of chromosome
4. Independent assortment
Mammary glands are the modification of :-
1. Sebaceous glands
2. Sweat glands
3. Meibomian glands
4. None of these
Statement–1 : Inheritance of karyogene is biparental.
Statement–2 : Cytogene is located in nucleus.
1. Statement–1 is true, Statement–2 is true;Statement–2 is not the correct explanation of Statement–1.
2. Statement–1 is false, Statement–2 is true.
3. Statement–1 is true, Statement–2 is false.
4. Statement–1 is true, Statement–2 is true;Statement–2 is the correct explanation of Statement–1.
Read the following five statement (A–E) :-
(A) Humans are sexually reproducing and viviparous
(B) The enlarged end of penis called glans penis is covered by a loose fold of skin called foreskin
(C) The myometrium undergoes cyclical changes during menstrual cycle while endometrium exhibits strong contraction during delivery of the body
(D) FSH acts at the leydig cells and stimulates synthesis and secretion of androgens
(E) The enzymes of mitochondria help the sperm enter into the cytoplasm of the ovum
How many statements are wrong ?
1. 4
2. 3
3. 2
4. 1
In F2–generation of dihybrid cross, if 4000 plants are produced, then how many will have single recessive trait :-
1. 1000
2. 1500
3. 2000
4. 4000
(A) Semination
(B) Ejaculation
(C) Insemination
(D) Spermiation
These following process are followed by sperm, arrange these in correct order :-
1. A → C → B → D
2. D → A → C → B
3. D → A → B → C
4. A → C → D → B
A phenomenon, which works opposite to the linkage is :-
1. Independent assortment
2. Crossing over
3. Segregation
4. Mutation
Which of the following inject by the doctors to induce delivery in pregnant woman ?
1. Estrogen
2. Cortisol
3. Relaxin
4. Oxytocin
In gel electrophoresis :-
1. DNA fragments are arranged according to length on gel by applying electric field
2. DNA fragments are arranged according to charge
3. DNA fragments are treated by alkali solution
4. DNA fragments are denatured
During pregnancy how many hormones are increased several folds in the maternal blood in following :-FSH, LH, Estrogen, Progesterone, HCG, HPL, Relaxin, Cortisol, thyroxine
1. 7
2. 6
3. 5
4. 4
Statement–1 : Biolistics method of gene transfer is an example of direct gene transfer.
Statement–2 : In biolistics method PBR322 is used.
1. Statement–1 is true, Statement–2 is true; Statement–2 is not the correct explanation of Statement–1.
2. Statement–1 is false, Statement–2 is true.
3. Statement–1 is true, Statement–2 is false.
4. Statement–1 is true, Statement–2 is true;Statement–2 is the correct explanation of Statement–1.
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct ?
1. Its base is broad
2. It shows energy content of different trophiclevel organism
3. It is inverted in shape
4. It is upright in shape
pBR322 is the first cloning vector constructed in 1977 by Boliver & Rodriguez. For how many restriction enzymes it posses recognition sites ?
1. 8
2. 12
3. 16
4. 6
Reduction of excessive inflow of nutrients and silt in to wetland from surrounding uplands, it is a wet land conservation method :-
1. To check eutrophication
2. To check desiltation
3. To check growth of aquatic animals
4. To check agaging of lake
Biogas is the mixture of gases produced by the microbial activity. The type of gas produced depends upon :-
1. Type of microbes
2. Type of organic substrate/waste
3. Size of digester
4. Both (Type of microbes) & (Type of organic substrate/waste)
During interaction between sea anemone and clawn fish, which get benefitted:-
1. Sea anemone only
2. Clown fish only
3. Both (Sea anemone only ) & (Clown fish only)
4. Nither (Sea anemone only ) nor (Clown fish only)
Find out the correct sequence of substrate, enzyme and product :-
1. (1)
2. (2)
3. (3)
4. (4)
Which of the following is not an adaptation for altitude sickness ?
1. Increase in red blood cell production
2. Decrease in binding capacity of oxygen
3. Increasing breathing rate
4. Increasing in heart palpitations
Which of the following statements is correct ?
1. The break down of most of biomacromolecules occurs in ileum
2. Simple substances (digested foods) are completely absorbed in the duodenum
3. Very significant digestive acitivity occurs in large intestine.
4. Undigested and unabsorbed substances are passed on to the large intestine.
Secondary pollutants is / are :-
1. Brown air
2. Grey air
3. Acid rain
4. DDT
Read the following four statement (A-D) and answer as asked next in them.
(A) The size of a population for any species is a static parameter.
(B) Natality is the number of birth in the population during a given period.
(C) Resource availability is essential for the impeded growth of a population.
(D) In nature, a given habitat has enough resources to support a maximum possible number
How many of the above statements are correct ?
1. Four
2. Two
3. Three
4. One
Choose the correct statement :-
(a) Due to green house effect, water use efficiency will increase in plant.
(b) Due to green house effect, stomatal conductance will decrease
(c) Stomatal density will increase due to green conductance will decrease
(d) Stomatal density will increase due to green capacity of atmosphere decreases
1. a,b and c are correct
2. a and b are correct
3. b and d are correct
4. a and c are correct
How many fishes in the list given below are fresh water ?
Catla, Pomfret, Common carp, Silver carp, Hilsa, Rohu, Mackerel, Salmon, Mrigal:-
1. Six
2. Three
3. Four
4. Five
Choose the correct match :-
(a) Tropical rain – 2–3 dry month forest
(b) Temperate broad – Autumn colouration leaf forest
(c) Temperate needle – 500–1700 mm.leaf forest rain.
(d) Arctic desert – Less precipitation.
1. a, b and c are correct
2. a and b are correct
3. b and d are correct
4. a and c are correct
Which one of the following is the correct matching of a vitamin, its nature and its deficiency disease?
1. Vitamin K – Fat soluble – Beri-Beri
2. Vitamin B1 – Fat soluble – Beri-Beri
3. Vitamin K – Water soluble – Pellagra
4. Vitamin A – Fat soluble – Night blindness
Largest bud is of :-
1. Cabbage
2. Cauliflower
3. Agave
4. Onion
The abnormal frequency of bowel movement and increased liquidity of the faecal discharge is known as :-
1. Vomiting
2. Diarrhoea
3. Constipation
4. Indigestion
An underground specialised shoot with reduced disc like stem with fleshy leaves is :
1. Bulb
2. Bulbil
3. Rhizome
4. Rhizophore
In Angiosperm, pollen grains generally shed at –
1. Single celled stage
2. Two celled stage
3. Three celled stage
4. Four celled stage
In Opuntia, the function of photosynthesis is carried out by :-
1. Cladode
2. Phylloclade
3. Phyllode
4. Bulb
How many meiotic division required for the formation of 100 seeds of Gram –
1. 100
2. 125
3. 200
4. 250
Which of the following statement is true ?
1. If the stem is jointed with solid nodes and hollow internodes, it is called caudex
2. Corm is a condensed form of stem growing in vertical direction
3. Sucker is an underground modification of root
4. None of the above
For the formation of mature pollen grain from microspore mother cell –
1. 1 meiotic division is required
2. 1 meiotic and 1 mitotic divisions are required
3. 1 mitotic division is required
4. 1 meiotic and 2 mitotic divisions are required
Find out the correct match w.r.t. dicot stem :-
1. Endodermis – Cuticle
2. Pericycle – Starch sheath
3. Hypodermis – Sclerenchymatous
4. Endodermis – Starch sheath
Which of the following sets of animals belong same group :-
1. Bombyx Locusta, Nereis, Squid
2. Doliolum, Branchiostoma, clarias, Magur
3. Labeo, clarias, catla, pterophyllum
4. Labeo, clarias, catla, pterophyllum
Find out the incorrect match w.r.t. aestivation
1. Calotropis – Valvate
2. Cassia – Imbricate
3. Bean – Vexillary
4. China rose – Imbricate
Which of the following statement is true :-
1. All acoelomates contain tissue level body
2. All deuterostomus contain bilateral symmetry
3. All tube within tube animals contains organ system level body
4. Blind sac animals contain cellular body level
An aqueous solution which is readily absorbed and transported within the plant and releases ethylene slowly is ?
1. Pomalin
2. Ethephon
3. 2 - 4 - D
4. All of the above
Which of the following pair is correct :-
1. Branchiostoma-Hemichordata
2. Pristis-Bony fish
3. Obelia-platy helminthes
4. Icthyophis-Amphibia
During the complete oxidation of glucose the second decarboxylation occur when ?
1. Citric acid is converted to a - keto glutaric acid.
2. α - keto glutaric acid is converted to succinyl CoA
3. Pyruvic acid is converted to Acetyl CoA
4. Succinic acid is converted to malic acid.
Amphibians contain :-
1. Only Internal Ear
2. All parts of ear without pinna
3. Middle and Internal Ear
4. None
What does a and b represent in the given graph ?
1. a - pH, b - substrate
2. a - velocity of reaction, b - substrate
3. a - temperature, b - substrate
4. a - substrate, b - temperature.
Which mammals is oviparous :-
1. Balaenoptera
2. Felis
3. Macropus
4. None
There are five statements given below, select how many of them are true ?
(A) The movement of water through the root layer is ultimately apoplastic in the endodermis.
(B) Water potential gradient between the absorbent and the liquid imbibed is essential for inbibition.
(C) When water enter into the cell it does not rupture due to the rigidity of cell wall.
(D) Osmotic potential is positive, and osmotic pressure is negative.
(E) Water potential of cell is only affected by pressure potential.
1. One
2. Four
3. Two
4. Five
In respiration, pyruvic acid is ?
1. Formed only when the cell is with mitochondria
2. Formed only when O₂ is available
3. Formed only when cell is performing aerobic respiration
4. Commonly formed as intermediate product of aerobic and anaerobic respiration.
Which of the following statements are correct ?
A. Julius Von - Sachs found that green parts in plant produce glucose and it is usually stored as starch.
B. Van Neil demostrated that photosynthesis is essentially a light - dependent reaction in which hydrogen from suitable oxidasable compound reduces CO₂ to carbohydrate.
C.O₂ evolved by the green plant comes from H₂O was proved by using radioisotopic techniques.
D. Dark reaction of photosynthesis are not light dependent.
1. A, C, D only
2. A, B, C only
3. B, C, D only
4. A, B, C, D only
During evolution, some mammal go back in water from land, like :-
1. Whale
2. Dolphin
3. Seal
4. All of the above
Joints between skull bones are :-
1. Synovial
2. Fibrous
3. Cartilaginous
4. Both Synovial and Fibrous
Before two million years ago Australopithecus probably lived in which place :-
1. Ethiopia
2. North african grasslands
3. East African grasslands
4. West african grasslands
ATPase of the muscles is located in :-
1. Actinin
2. Troponin
3. Myosin
4. Actin
Which ancestor of man firstly hunted with stone weapons but essentially ate fruit :-
1. Ramapithecus
2. Dryopithecus
3. Homo habilis
4. Australopithecus
During evolution, the animal which evolved into the first amphibian that lived on both land and water were :-
1. Souropsids
2. Synapsids
3. Lobefins
4. Therapsids
Smoking is related with :-
(A) Lung cancer
(B) CADs
(C) Gastric ulcer
(D) Bronchitis
(E) Emphysema
(F) Urinary bladder cancer
1. A, D, E
2. A, B, D, E
3. B, C, F
4. A, B, C, D, E, F
Select the incorrect statements :-
(A) The essence of Darwinian theory of evolution is natural selection.
(B) Evolution is a directed process in the sense of determinism
(C) The geological history of earth is not related with the biological history of earth
(D) During evolution the rate of appearance of new forms is linked to the life cycle
1. A and B
2. B and C
3. A and D
4. B and D
(a) also called 'Dhanustamba'
(b) incurable
(c) caused by clostridium tetani
(d) bacterium resides in horse intestine,pass out as spores (viability 60 yrs) in excreta
(e) bacteria release tetanospasmin toxin
(f) ATS gives passive immunity(g) TT gives active immunity
above informations are correct for :-
1. Hansen disease
2. Lock Jaw
3. Chora
4. Leprosy
Centre of origin of rice is :-
1. China
2. India
3. Brazil
4. USA

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Full Syllabus Biology-- 02 (NEET/AIIMS Online Practice Exam)

MCQ