List of top Biology Questions asked in NEET (UG)

When a tall pea plant with round seeds was selfed, it produced the progeny of
(a) Tall plants with round seeds and
(b) Tall plants with wrinkled seeds.
Identify the genotype of the parent plant.

Match List I with List II :

List - I		List – II
A.	Residual Volume	i.	Maximum volume of air that can be breathed in after forced expiration
B.	Vital Capacity	ii.	Volume of air inspired or expired during normal respiration
C.	Expiratory Capacity	iii.	Volume of air remaining in lungs after forcible expiration
D.	Tidal Volume	iv.	Total volume of air expired after normal inspiration

Choose the correct answer from the options given below :

What do ‘a’ and ‘b’ represent in the following population growth curve?

Select the correct statements regarding mechanism of muscle contraction.
A. It is initiated by a signal sent by CNS via sensory neuron.
B. Neurotransmitter generates action potential in the sarcolemma.
C. Increased Ca⁺⁺ level leads to the binding of calcium with troponin on action filaments.
D. Masking of active site for actin is activated.
E. Utilising the energy from ATP hydrolysis to form cross bridge.
Choose the most appropriate answer from the options given below:

The mother has A⁺ blood group the father has B⁺ and the child is A⁺. What can be the possibility of genotypes of all three, respectively?
(A) I ^AI ^A | I ^Bi | I^Bi
(B) I ^AI ^A | I ^Bi | I ^Ai
(C) I ^Bi | I ^AI ^A | I ^AI ^B
(D) I ^AI ^A | I ^BI ^B | I ^Ai
(E) I ^Ai | I ^Bi | I ^Ai
Choose the correct answer from the option given below:

Match List I with List II :

List - I (Structures)		List – II (Features)
A.	Mons pubis	i.	A fleshy fold of tissue surrounding the vaginal opening
B.	Clitoris	ii.	Fatty cushion of cells covered by skin and hair
C.	Hymen	iii.	Tiny finger-like structure above labia minora
D.	Labina majora	iv.	A thin membrane-like structure covering vaginal opening

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Following is the list of STD’s. Select the discases which are not completely curable.

A. Genital warts	B. Genital herpes
C Syphilis	D Hepatius-B
E Trichomoniasis

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In which of the following connective tissues, the cells secrete fibres of collagen or elastin?
A. Cartilage
B. Done
C. Adipose tissue
D. Blood;E. Areolar tissue
Choose the most appropriate answer from the options given below :

Open Circulatory system is present in:

Match List I with List II :

List - I		List – II
A.	F1 Particles	i.	Chromosomes
B.	Histones	ii.	Cilia
C.	Axoneme	iii.	Golgi apparatus
D.	Cisternae	iv.	Mitochondria

Choose the correct answer from the options given below :

Match List I with List II :

List - I		List – II
A.	Migratory flamingoes and resident fish in South American lakes	i.	Interference competition
B.	Abingdon tortoise became extinct after introduction of goats in their habitat	ii.	Competitive release
C.	Chathamalus expands its distributional range in the absence of Balanus	iii.	Resource Partitioning
D.	Five closely related species of Warblers feeding in different locations on same tree	iv.	Interspecific competition

Choose the correct answer from the options given below :

Match List I with List II :

List - I		List – II
A.	Cells are metabolically active and proliferate	i.	\(G_2 phase\)
B.	DNA replication takes place	ii.	\(G_1 phase\)
C.	Proteins are synthesised	iii.	\(G_0 phase\)
D.	Quiescent stage with metabolically active cells	iv.	S phase

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Which evolutionary phenomenon is depicted by the sketch given in figure?

Match List I with List II :

List - I		List – II
A.	Gene pool	i.	Stable within a generation
B.	Genetic drift	ii.	Change in gene frequency by chance
C.	Gene flow	iii.	Transfer of genes into or out of population
D.	Gene frequency	iv.	Total number of genes and their alleles

Choose the correct answer from the options given below :

Match List I with List II :

List - I Location of Joint		List – II Type of Joint
A.	Joint between humerus and pectoral girdle	i.	Gliding joint
B.	Knee joint	ii.	Ball and Socket joint
C.	Joint between atlas and axis	iii.	Hinge joint
D.	Joint between carpals	iv.	Pivot joint

Choose the correct answer from the options given below :

Match List I with List II :

List - I		List – II
A.	Predator	i.	Ophrys
B.	Mutualism	ii.	Pisaster
C.	Parasitism	iii.	Female wasp and fig
D.	Sexual deceit	iv.	Plasmodium

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Which of the following graphs depicts the effect of substrate concentration on velocity of enzyme catalysed reaction?

Match List I with List II :

List - I Organisms		List – II Mode of Nutrition
A.	Euglenoid	i.	Parasitic
B.	Dinoflagellate	ii.	Saprophytic
C.	Slime mould	iii.	Photosynthetic
D.	Plasmodium	iv.	Switching between photosynthetic and heterotrophic mode

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Which one of the following is not a limitation of ecological pyramids?

Given below are some statements about plant growth regulators.
A. All Gas are acidic in nature.
B. Auxins are antagonists to Gas.
C. Zeatin was isolated from coconut milk.
D. Ethylene induces flowering in Mango.
E. Abscisic acid induces parthenocarpy.
Choose the correct set of statements from the option given below:

F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxins was supplied with one of the following except :

Ligases is a class of enzymes responsible for catalysing the linking together of two compounds.Which of the following bonds is not catalysed by it?

Given below are two statements:
Statement I: In eukaryotes there are three RNA polymerases in the nucleus in addition to the RNA polymerase found in the organelles.
Statement II: All the three RNA polymerases in eukaryotic nucleus have different roles.
In the light of the above statements, choose the correct answer from the options given below:

Which of the following are correct about cellular respiration?
A. Cellular respiration is the breaking of C-C bonds of complex organic molecules by oxidation.
B. The entire cellular respiration takes place in Mitochondria.
C. Fermentation takes place under anaerobic condition in germinating seeds.
D. The fate of pyruvate formed during glycolysis depends on the type of organism also.
E. Water is formed during respiration as a result of O2 accepting electrons and getting reduced
Choose the correct answer from the options given below:

Which of the following is the correct match?