Class 11 Biology Chapter 15 Plant Growth And Development Quiz 6 (60 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What are the essential factors that plants need for growth?
2. What do plants need for successful germination?
3. Which pigment involved in photoperiodic change in plants?
4. Electron transport system occurs in the
5. Division of cambium inward will form .....
6. What is the male part of a flower?
7. Glycolysis occur in the
8. A colorless, odorless reactive gas and a life-supporting component of the air. It is naturally present in air and is produced by plants in photosynthesis.
9. A sigmoid growth curve is characteristic of-
10. A perennial plant's state of temporary metabolic inactivity. In this state the plant stops growing and conserves energy.
11. Hormone involved in phototropism is
12. Which factor is required by the germinating seed for metabolism and is used as a part of aerobic respiration?
13. The physiological process of fruit drop is called?
14. During which phase of growth in plants does cell division dominate?
15. Apa fungsi utama dari jaringan meristem?
16. In order to increase the yield of sugarcane crop, which of the following should be sprayed?
17. Palnts that flower only when day length drops below a certain threshold are called .
18. Photophosphorylation is the synthesis of
19. Where is cytokinin produced in the tissue?
20. This is a kind of plant that flowers and sets seed only once in its life.
21. Simultaneous leaf senescence is found in-
22. What is meristematic tissue?
23. Plants ..... with air.
24. Which part does a bee NOT have?
25. Which plant growth regulator promotes cell division?
26. The response of different organisms to environment rhythms of light and darkness is called
27. The more light a plant absorbs, the more photosynthesis can occur.
28. Varieties are cultivated by humans and Cultivars occur naturally.
29. This type of plant cell swells and deflates in order to control the gas exchange (respiration) rate?
30. The impulses from CNS to skeletal muscles are relayed through
31. Long day plants flower specially when the-
32. Why do some seeds require extreme temperatures for germination?
33. A plant hormone used for inducing morphogennesis in plant tissue culture is
34. A-short fibres which branch repeatedly and project out of the cell body also contains nissil's granules R-these fibres are called dendrites
35. What is the function of gibberellin hormone?
36. The process of food Manufacture in plants.
37. What is the function of the leaves in a plant?
38. The aleurone synthesises and secretes digestive enzymes that hydrolyse nutrients stored in the endosperm, in presence of
39. Which factor accelerates the growth of plants?
40. Bees have a straw-like .....
41. Bees help flowers by carrying ..... from flower to flower.
42. What is the process of water movement through a plant called?
43. Growing plants in water without the use of soil.
44. (i) Horizontal growth of seedlings, swelling of the axis and apical hook formation in dicot seedlings.(ii) Promoting senescence and abscission of leaves and flowers.(iii) Breaking seed and bud dormancy.(iv) Initiating germination in peanut seeds.(v) Sprouting of potato tubers.
45. A layer of tissue in plants that undergoes secondary growth and creates xylem and phloem.
46. Apa proses biji berkecambah disebut?
47. Allows seed to overcome periods that are unfavorable for seedlings established and is therefore important for plant ecology and agriculture.
48. What is one disadvantage of using organic fertilizers?
49. Pressure inside a cell that pushes the cell membrane outward into the cell wall. This occurs when more water enters into the cell.
50. All plants grow from .....
51. Chlorophyll pigments harvest energy ( protons ) by absorbing certain wavelengths
52. Natural cytokinins are synthesised in-
53. Which of the following is a short day plant?
54. This is a hormone that promotes cell division in roots and shoots.
55. Which process is not directly affected by auxin?
56. Which of the following are lateral meristems?
57. The green colors comes from the chlorophyll in the chloroplast, the pigments absorb ..... ?
58. Which plant structure carries water and nutrients to leaves?
59. The Krebs cycle occurs in the
60. What part of the flower makes pollen?