Biology Set 1830 questions
Sets

Biology Set 18

30 questions
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1. The Indian woman scientist who received a Ph.D. from Cambridge University for her work on respiration in plants is:
2. The diffusion of water across a selectively permeable membrane is called:
3. Venus is hotter than Mercury mainly because:
4. Plants whose seeds have a single cotyledon are called:
5. A net-like pattern of veins on both sides of a thick middle vein is called:
6. Consider the following statements: (I) Dicot plants generally have reticulate venation and a taproot system. (II) Monocot plants generally have parallel venation and a fibrous root system. (III) Monocot plants generally have a taproot system. Which of the above is/are correct?
7. The stage in which the body of an adolescent undergoes external and internal changes to develop into an adult capable of reproduction is:
8. CNG stands for:
9. Blood is fluid whereas bone is hard because of the difference in their:
10. The process of bringing partially digested food back to the mouth for gradual chewing is called:
11. Lichens do not grow in polluted areas and are therefore good:
12. The correct sequence of the life cycle of a mosquito is:
13. The Montreal Protocol (1987) helped reduce:
14. The sharp drop in atmospheric ozone since the 1980s has been linked to:
15. The large intestine mainly absorbs:
16. In a leaf with green and non-green patches kept in sunlight, the blue-black colour with iodine appears in the:
17. Rapid multiplication of red dinoflagellates such as Gonyaulax causes:
18. In older stems, the cork cambium forms from cells located:
19. After karyogamy and meiosis in the basidium, the number of basidiospores produced is:
20. The three domain system of classification, based on genetic data, was proposed in 1977 by: