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AIPMT 2010 Biology
Q. 17. The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
- Cotyledon
- Endosperm
- Aleurone layer
- Plumule
Answer: (1)
Q. 18. The energy − releasing metabolic process in which substrate is oxidised without an external electron acceptor is called:
- Glycolysis
- Fermentation
- Aerobic respiration
- Photorespiration
Answer: (1)
Q. 19. Photoperiodism was first characterised in:
- Tobacco
- Potato
- Tomato
- Cotton
Answer: (1)
Q. 20 . The second maturation division of the mammalian ovum occurs:
- Shortly after ovulation before the ovum makes entry into the Fallopian tube
- Until after the ovum has been penetrated by a sperm
- Until the nucleus of the sperm has fused with that of the ovum
- in the Graafian follicle following the first maturation division
Answer: (2)
Q. 21. Satellite DNA is useful tool in:
- Organ transplantation
- Sex determination
- Forensic science
- Genetic engineering
Answer: (3)
Q. 22. Which one of the following does not follow the central dogma of molecular biology?
- Pea
- Mucor
- Chlamydomonas
- HIV
Answer: (4)