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Biology · PYQ NEET UG 2025
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Biology · PYQ NEET UG 2025
Match List-I with List-II: List-I List-II A Progesterone I Pars intermedia B Relaxin II Ovary C Melanocyte stimulating hormone III Adrenal Medulla D Catecholamine IV Corpus luteum Choose the correct answer from the options given below:
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Name the class of enzyme that usually catalyze the following reaction : \( S-G + S^\# \rightarrow S + S^\#-G \) Where, \( G \rightarrow \) a group other than hydrogen, \( S \rightarrow \) a substrate, \( S^\# \rightarrow \) another substrate
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After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) / tissue(s) like: A. thymus B. bone marrow C. spleen D. lymph nodes E. Peyer's patches Choose the correct answer from the options given below:
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Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?
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Match List-I with List-II: List-I List-II A Head I Enzyme B Middle piece II Sperm motility C Acrosome III Energy D Tail IV Genetic material Choose the correct answer from the options given below :
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The first menstruation is called :
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The correct sequence of events in the life cycle of bryophytes is A. Fusion of antherozoid with egg. B. Attachment of gametophyte to substratum. C. Reduction division to produce haploid spores. D. Formation of sporophyte. E. Release of antherozoids into water. Choose the correct answer from the options given below
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Epiphytes that are growing on a mango branch is an example of which of the following?
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Find the correct statements : A. In human pregnancy, the major organ systems are formed at the end of 12 weeks. B. In human pregnancy the major organ systems are formed at the end of 8 weeks. C. In human pregnancy heart is formed after one month of gestation. D. In human pregnancy, limbs and digits develop by the end of second month. E. In human pregnancy the appearance of hair is usually observed in the fifth month. Choose the correct answer from the options given below :
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Which one of the following equations represents the Verhulst-Pearl Logistic Growth of population?
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In frog, the Renal portal system is a special venous connection that acts to link :
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With the help of given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in F3 generation.
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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Both wind and water pollinated flowers are not very colourful and do not produce nectar. Reason (R) : The flowers produce enormous amount of pollen grains in wind and water pollinated flowers. In the light of the above statements, choose the correct answer from the options given below :
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Find the statement that is NOT correct with regard to the structure of monocot stem.
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Which one of the following enzymes contains 'Haem' as the prosthetic group?
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Which one of the following is an example of ex-situ conservation?
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Identify the statement that is NOT correct.
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Read the following statements on plant growth and development. A. Parthenocarpy can be induced by auxins. B. Plant growth regulators can be involved in promotion as well as inhibition of growth. C. Dedifferentiation is a pre-requisite for re-differentiation. D. Abscisic acid is a plant growth promoter.\nE. Apical dominance promotes the growth of lateral buds. Choose the option with all correct statements.
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What is the pattern of inheritance for polygenic trait?
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What are the potential drawbacks in adoption of the IVF method? A. High fatality risk to mother B. Expensive instruments and reagents C. Husband/wife necessary for being donors D. Less adoption of orphans\nE. Not available in India F. Possibility that the early embryo does not survive Choose the correct answer from the options given below :
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Why can't insulin be given orally to diabetic patients?
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Consider the following : (A) The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis. (B) The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females. (C) The first polar body is associated with the formation of the primary oocyte. (D) Luteinizing Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding. Choose the correct answer from the options given below :
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