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#1. Motile zoospores are produced by
#2. Which of the following wall layer of anther shows fibrous thickenings of callose?
#3. The wall of pollen tube is made up of
#4. Which of the following in embryo sac of angiosperms shows filiform apparatus?
#5. Asexual reproduction through formation of gemmule occurs in
#6. Each testicular lobule contains _______ convoluted seminiferous tubules
#7. Pick the ODD homologous pair out.
#8. During ovulation, the ovary releases
#9. Which of the following cross will give recessive progeny in F: generation?
#10. In Mirabilis jalapa, when red and white varieties are crossed, the hybrid obtained will be _____ pink.
#11. When white eyed and miniature winged Drosophila melanogaster is crossed with its wild type, it produces following percentage of recombinants.
#12. In Griffith's experiment, the conversion of R-type to S-type of Streptococcus pneumoniae when mixed with heat killed S-type is called
#13. n one nucleosome, which one of the following histone molecule is not double?
#14. The two strands of DNA are
#15. The first cell or primitive cells were
#16. Darwin’s theory of Evolution cannot explain
#17. The water present in the fine spaces of small non-colloidal soil particles is called _____ water.
#18. The adsorption of water by hydrophilic compounds like cellulose and pectin in root hair cell wall is called _____.
#19. Select and appropriate plant hormone responsible for epical dominance from the following.
#20. What is the site of perception of photoperiod necessary for induction of flowering in plants?
#21. Adam's apple is also called ____
#22. Carbon monoxide combines with haemoglobin to form ______.
#23. In which one of the following human organs. the old and worn out RBC's are destroyed?
#24. Mitral valve and tricuspid valve are attached to the papillary muscles by _____.
#25. Temporal lobe of cerebrum is concerned with the detection of following sensations EXCEPT.
#26. If cranial nerves: 12 pairs, then spinal nerves
#27. In mechanism of hormone action, which of the following is NOT a second messenger?
#28. The co-ordinator Nervous and between endocrine system is
#29. The immunity developed by a child after attack of measles is ____ immunity
#30. The malignant tertian malaria is caused by
#31. During hybridization offsprings with hybrid vigour superior to both parents are self pollinated for few successive generations to
#32. To induce formation of organs in a callus, it is necessary to provide
#33. Which of the following is an algal source of SCP?
#34. The enzyme Taq polymerase used in PCR technique is obtained from
#35. A chimeric DNA is ____.
#36. The clot formation can be prevented by treatment with ____ in gene therapy
#37. Biopatent is granted for biological entities by _____authority of a country.
#38. In India, research in genetic modification of organisms of and safety issues are controlled by
#39. A desirable change in genotype of an organism is obtained by
#40. Density of population increases when ____
#41. A cuckoo laying eggs in the nest of other species of birds, is an example of
#42. The spatial pattern of density and distribution of species along a horizontal gradient is called as
#43. The simplest of all nutrient cycles operating in an ecosystem is _____ cycle.
#44. A Red list of endangered species is maintained by
#45. Which one of the following represents natural pollutants?
#46. Which of the following is the first cell of female gametophytic generation in angiosperms?
#47. The glycoprotein, fertilizin is secreted by
#48. In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as _____.
#49. Segment of DNA which is responsible for inheritance and expression of a particular character is known as
#50. In the second trimester of pregnancy, there is decline in the level of ______
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