Sets
Biology Set 25
30 questions 1. Consider the following statements:
(I) Autotrophs include green plants and some bacteria.
(II) Heterotrophs include animals and fungi.
(III) Autotrophs use enzymes to break down complex substances obtained from other organisms.
Which of the above is/are correct?
2. Voluntary movements such as running and writing are carried out by:
3. The leucocytes that secrete histamine, serotonin and heparin are:
4. Greater diversity among offspring is generated by:
5. Long-term changes in temperature, rainfall and weather patterns are called:
6. When tall pea plants with round seeds are crossed with short plants with wrinkled seeds, all F1 progeny are tall with round seeds. The dominant traits are:
7. Which of the following is an example of chemotropism?
8. Roots show phototropic movement by bending:
9. Plants possessing true roots, stems and leaves with vascular tissues, but not producing seeds, belong to:
10. Moving air is called:
11. The simple carbohydrate in which food is produced during photosynthesis is:
12. Which of the following is an animal source of protein?
13. Earth's nearly circular orbit mainly ensures that:
14. Which of the following is a parasitic plant?
15. Water and minerals are transported from the roots to the leaves and other parts of the plant through the:
16. The scientific name of the lion is:
17. Some leaves appear red, violet or brown because they contain more of:
18. PPLO stands for:
19. Which pollination strategy releases more pollen grains per flower?
20. In the starch experiment, caustic soda (sodium hydroxide) is used to absorb: