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Class 7 Science Chapter 1 Nutrition In Plants Quiz 1 (60 MCQs)

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1. What is stomata?
2. The slimy green patches found in water and stagnant water bodies is called
3. The rate of photosynthesis is not affected by
4. Which is not necessary for photosynthesis?
5. Which part of the plant takes in carbondioxide from the air for photosynthesis
6. The tiny pores present in the leaves of the plants for exchange of gases arecalled .....
7. There are more chloroplasts in the palisade mesophyll cells than in spongy mesophyll cells.
8. Increasing humidity decreases the rate of transpiration as the water potential of the surrounding is higher than the sub-stomatal spaces.
9. How do plants get the water they need to make food?
10. Process in which green plants make their own food using sunlight, water and carbon dioxide in presence of chlorophyll is called
11. ROOTS OF PLANTS SUCH AS PEA PLANTS CONTAIN A BACTERIA IN THEIR ROOTS CALLED .....
12. Which element is used in the synthesis of proteins?
13. Rafflesia is a ..... plant.
14. During photosynthesis, which gas do plants take in?
15. Which process causes oxygen to enter the atmosphere?
16. Cuscuta is an example of
17. 'Insectivorous' refers to something that:
18. Who are called producers?
19. Carbon dioxide is released during photosynthesis.
20. The tiny pores present in the leaves for exchange of gases are called
21. The essential element used by the plants to make proteins and other compound is
22. In lichens we find the association between
23. This chapter is about
24. Which of these elements is needed in addition to carbon, hydrogen and oxygen to make proteins?
25. The product of photosynthesis is
26. Nitrogen, phosporus, and ..... in short is called (NPX)
27. Which one of these is not a nutrient?
28. What are heterotrophic mode of nutrition.
29. Part of plant where photosynthesis can take place
30. Insect eating plants are called
31. Potato and ginger are both underground parts that store food. Where is the food prepared in these plants?
32. ..... are the food factories of plants.
33. What is the optimum temperature required for the process of photosynthesis?
34. Chlorophyll is a green pigment present in plants that absorbs light energy for which process?
35. Carbon dioxide + water $\overrightarrow{sunlight\, chlorophyll}$
36. Why do humans need plant to survive?
37. Plants take carbon dioxide from the atmosphere mainly through their?
38. A relationship between two or more organisms, where all the organisms benefit is called .....
39. Which of the following is an example for saprophytes?
40. A 'Host' in biological terms is:
41. Which of these follows autotrophic mode of nutrition?
42. What term is used to who feed on dead and decaying matters?
43. The small pores present on the leaves are called
44. Which o the following is the example of autotrophic mode of nutrition?
45. The bacterium that provides nitrogen to the leguminous plants is
46. Water reaches the leaves from the root by:
47. The term 'Autotrophic' refers to:
48. What is the purpose of photosynthesis?
49. Insectivorous plants eat insects to fulfil the needs of
50. Why do organism take food?
51. What is the main function of the palisade mesophyll cells?
52. Food synthesized by the plants is stored as
53. Which of these is not needed to make food in a plant
54. Which of the following component of food contain nitrogen?
55. ..... is the green pigment present in leaves that absorbs sunlight, gives green colour to leaves and helps in photosynthesis.
56. Amarbel (cuscuta) is an example of-
57. Symbiotic association in which one partner is fungi is/are-
58. .Legie hey saprutrophs
59. Bacterium which converts atmospheric nitrogen into usable form for plants is:
60. Example of one fertilizer
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