#1. The main function of plasma membrane is to les grifwollen sult to a d
#2. Cells of most plants and animals are similar in some respects since they origrotat
#3. The interstitial ground substance of cartilage contains
#4. Plant cells can usually be distinguished from animal cells, because, only plant cells possess
#5. The exchange of chromosomal segments between maternal and paternal chromatids during meiosis is known as
#6. The cortex of human brain normally consists of
#7. Lysosomes function as reservoirs of
#8. . Which one of the following tissues in plants is responsible for forming various other types of cells?
#9. Which of the following cells helps in capture of prey?
#10. Red pigment is formed in
#11. Chloroplasts are special cell-organelles concerned with
#12. . In some plants, the formation of spores takes place by
#13. The respiratory centre of the cell is
#14. . The plant cells are surrounded rigidly by
#15. . At which stage does mobilisation of materials take place during mitosis?
#16. Nuclear membrane is absent in
#17. Which of the following plays an important part in photosynthesis?
#18. During which period of cell cycle does a centriole become a centrosome?
#19. The genetic constitution of a child is exactly the same as that of its
#20. . In movable joints, the tips of the bones are covered with
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