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#1. Which one of the following plants reproduces vegetatively by epiphyllous buds?
#2. The exine of pollen grain is made up of
#3. Egg in female gametophyte is accompanied by
#4. A typical embryo sac at maturity is
#5. Self-pollination which involves two different flowers of the same plant, is called
#6. What is the outbreeding device, where the stamens and carpels mature at different times called?
#7. The nourishing cells in the Seminiferous tubules are
#8. In ovary estrogen is secreted by
#9. In the menstrual cycle, the level of progesterone reaches its maximum in the ____
#10. Sperm of animal species X cannot fertilize ovum of species by Y because _____
#11. Morula formed at the end of cleavage is
#12. The unique feature observed in the foetus during fifth month of pregnancy
#13. Alleles are
#14. How many types of gametes will be produced by an individual having genotype
#15. In a phenomenon where heterozygotes have features of both the homozygotes that is, an allele is neither dominant nor recessive to the other, Such a phenomenon is termed as:
#16. Linkage groups can be separated during ____ in meiosis
#17. The result of the following reaction/ experiment carried out by Avery et al on Streptococcus pneumoniae has proved conclusively that DNA is the genetic material;
#18. What is the approximate size of nucleus in a typical mammalian cell?
#19. Polymerization of DNA nucleotides during the synthesis of lagging strand occurs in
#20. The primary gases that were used by Miller in his experiment are
#21. Which one of the following factors is not included in modern synthetic theory of evolution?
#22. In a plant cell, the diffusion pressure define a zero when it is ______
#23. What indicates X, Y in the given diagram
#24. Auxin can be bioassayed by
#25. Which one of the following is a dicot weedicide?
#26. The structure which prevents the entry of food into respiratory tract is
#27. Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual volume is 1200 mL?
#28. Name the chronic respiratory disorder caused mainly by cigarette smoking.
#29. Serum differs from blood in
#30. Central dogma in molecular biology is
#31. Myelin sheath is produced by
#32. Receptor sites for neurotransmitters are present on
#33. The depolarization of nerve membrane takes place through influx of ____ ions
#34. Which area of cerebral cortex is responsible for the interpretation of speech?
#35. The cell-mediated immunity inside the human body is carried out by
#36. Which one of the following statement is CORRECT?
#37. Pusa Shubhra is a variety of
#38. The technique of producing large number of genetically similar plants within short time by tissue culture is called
#39. Homozygous pure lines in cattle can be obtained by
#40. Mushrooms are rich source of _____.
#41. The usage of technique gel electrophoresis is
#42. During gene cloning, the enzyme used to join the insert DNA with the plasmid vector is
#43. Protein α-1- antitrypsin is used to treat
#44. Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called
#45. Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services
#46. The study of inter-relationship between living organisms and their environment is called
#47. Which of the following are characteristics of population?
#48. Vertical distribution of different species occupying different levels in a biotic community is known as
#49. The pyramid that cannot be inverted in a stable ecosystem, is pyramid of
#50. The organization which publishes the Red List of species is
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