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Q1. The centres for balancing and hearing lie respec­tively, in the
Q2. When dust gets into the eye, the part that be inflamed and pink is the
Q3. The expulsion of milk from the breast during suck­ling is brought about by
Q4. The sex of a child is determined
Q5. Insufficient dietary iodine causes a/an
Q6. The gland that contains the body's thermostat is
Q7. Patients who excrete large quantities of sodium in the urine have
Q8. Because the cells of islets of Langerhans are worn out completely, one would expect to find a
Q9. Acetyl CoA, a common key compound in interme­diary metabolism, is produced in the body by 1 . b-oxidation of fatty acids 2. anaerobic breakdown of glucose 3. breakdown of glucose under aerobic conditions 4. breakdown of anti-ketogenic amino acids
Q10. The movement of eggs from the ovaries to the uterus proceeds through the
Q11. Fertilisation occurs normally in the
Q12. The destruction of mucous membrane of the uterus and consequent bleeding that occurs periodically in females of primates is
Q13. The period that marks the physiological cessation of the menstrual flow and consequently the end of the child-bearing period is referred to as
Q14. The most likely period in which a woman may conceive is
Q15. Ovulation generally occurs
Q16. In males, testes are contained in scrotal sacs because
Q17. The average length of human pregnancy is
Q18. Monozygotic twins are
Q19. Agents that cause birth defects are
Q20. Following fertilisation, implantation usually occurs
Q21. When a child is born, its blood
Q22. The possibility of fraternal twins occurs
Q23. The operation to sterilize males is called
Q24. Bull semen for the purpose of artificial insemination is stored in
Q25. Every living individual, born through sexual reproduction, is single-celled in its earliest life history. This cell is called
Q26. A spore is
Q27. Some plants flower only once in their lifetime. They are called
Q28. Which one of the following plants has the largest flower
Q29. Pollination by insects is called
Q30. The fusion of a male gamete with an egg is called
Q31. A true fruit develops from the
Q32. Which one of the following bear the smallest seeds?
Q33. Which one of the following is a true fruit?
Q34. Fruit development without fertilisation is called
Q35. When male and female flowers are borne on differ­ent plants, the plant is said to be
Q36. The dry fruit chilgoza is obtained from
Q37. Which one of the following is not a fruit?
Q38. The pollen grains in plants are produced in the
Q39. Jhum is
Q40. The age of a tree can be found by
Q41. Secondary growth in plants refers to the
Q42. Hydroponics is related with
Q43. Which of the following plant hormones controls fruit ripening?
Q44. Seed donuancy can be broken by treating the seeds with
Q45. An observer claimed in the late 17th century that he could see inside the human spermatozoon a miniature figure of man-a "humunculus"-which would grow into a full-sized man in due course of time. This was referred to as the theory of
Q46. A person who is associated with undue and extreme suspicion and a progressive tendency to regard the whole world in a framework of delusions is indeed a victim of
Q47. The National Bureau of Plant Genetic Resources is located at
Q48. Which one of the following scientists is known as the father of modern genetics?
Q49. Genes control heredity in man and other organisms. This gene is
Q50. Organisms which have similar external appearance with reference to a particular character are called
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