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Botany Quiz 17 (25 MCQs)

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1. Which plant hormone help in Stomata Closing?
2. Improved Wheat varieties are _____
3. At metaphase, chromosomes are attached to the spindle fibres by their
4. Cross between hybrid and recessive parent is _____
5. Which one of the following is a precursor of plant growth hormone Ethylene?
6. Pu-Erh is the traditional tea of which country?
7. The part of the endodermis that keeps water and minerals from passing freely into the xylem is called what?
8. Corn, grass, and similar plants that produce a single shoot from a seed are:
9. In which layer of a forest do you find dead plants and decomposing animals as well as small plants growing?
10. The most primitive mammals are.
11. Water is absorbed into the plant through the _____
12. Arrange the following events of meiosis in correct sequen (i) Crossing ove(ii) Synapsis (iii) Terminalisation of chiasmata (iv) Disappearance of nucleolus
13. What is a Plant?
14. Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres.
15. When plants go through the process of photosynthesis, they bring this gas into their cells
16. What caused one of the first climate changes?
17. Which of the following is an example of a stem?
18. Companion cells function with the help of what other cells?
19. Pores called _____ allow plants to exchange gases for respiration and photosynthesis.
20. The xylem conducts _____
21. Green revolution is
22. Water in plant is transported by
23. Hydroponics is producing _____
24. The root-like projections of parasitic plants are called
25. In what layer of a forest do smaller trees and bushes grow?
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