CBSE NCERT Solutions for Class 7 Science Chapter 1: Nutrition in Plants (अध्याय 1: पादपों में पोषण) free to download in PDF or View online based on latest NCERT Books for the academic session 2019 – 20.
CBSE NCERT Solutions for Class 7 Science Chapter 1
Nutrition in Plants: Question – Answers
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7 Science Chapter 1: Nutrition in Plants
Important Questions with Answers
- The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is
- Organisms which prepare food for themselves using simple naturally available raw materials are referred to as
- When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?
- In the absence of which of the following will photosynthesis not occur in leaves?
(a) Guard cells
(d) Space between cells
- Two organisms are good friends and live together. One provides shelter, water, and nutrients while the other prepares and provides food. Such an association of organisms is termed as
- Which of the following statements is/are correct?
(i) All green plants can prepare their own food.
(ii) Most animals are autotrophs.
(iii) Carbon dioxide is not required for photosynthesis.
(iv) Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
(a) (i) and (iv) (b) (ii) only (c) (ii) and (iii) (d) (i) and (ii)
- Which of the following raw material is available in the air for photosynthesis?
(b) Carbon dioxide
- Pitcher plant traps insects because it
(a) is a heterotroph.
(b) grows in soils which lack in nitrogen.
(c) does not have chlorophyll.
(d) has a digestive system like human beings.
- A goat eats away all the leaves of a small plant (balsam). However, in a few days, new leaves could be seen sprouting in the plant again. How did the plant survive without leaves?
- Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, bengal gram, black gram, etc. do not apply nitrogenous fertilizers during cultivation. Why?
- 1 (c)
- 2 (b)
- 3 (a)
- 4 (b)
- 5 (d)
- 6 (a)
- 7 (b)
- 8 (b)
- 9. The plant survived on the food stored in the stem and roots.
- 10. Roots of pulses (leguminous plants) have a symbiotic association with a bacterium called Rhizobium which fixes nitrogen. Hence, farmers need not use nitrogenous fertilizers.