C. Very Short Answer Questions:
1. Name any two heterotrophic plants.
2. Name any two insectivorous plants.
3. Name the pores through which leaves exchange gases.
4. Name one plant in which photosynthesis occurs in a part other than leaves. Also, name the part of the
plant.
5. What are the two main modes of nutrition in plants?
6. Name the green pigment present in the leaves.
7. In which form, do plants need nitrogen?
Answers
Explanation:
Amarbel is an example of:
(i) Autotroph
(ii) Parasite
(iii) Saprotroph
(iv) Host
Answer: (ii) Parasite
(b) The plant which traps and feeds on insects is:
(i) Cuscuta
(ii) China rose
(iii) Pitcher plant
(iv) Rose
Answer: (iii) Pitcher plant
Question 9: Match the items given in Column I with those in Column II:
Column I Column II
(1) Chlorophyll (a) Bacteria
(2) Nitrogen (b) Heterotrophs
(3) Amarbel (c) Pitcher plant
(4) Animals (d) Leaf
(5) Insect (e) Parasite
Answer: 1 → d, 2 → a, 3 → e, 4 → b, 5 → c
Question 10: Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) Carbon dioxide is released during photosynthesis.
(ii) Plants which synthesise their food themselves are called saprotrophs.
(iii) The product of photosynthesis is not a protein.
(iv) Solar energy is converted into chemical energy during photosynthesis.
Answer: (i) F, (ii) F, (iii) T, (iv) T
Question 11: Choose the correct option from the following:
(a) Which part of the plant gets carbon dioxide from the air for photosynthesis?
(i) Root hair
(ii) Stomata
(iii) Leaf veins
(iv) Sepals
Answer: (ii) Stomata
(b) Plants take carbon dioxide from the atmosphere mainly through their:
(i) Roots
(ii) Stem
(iii) Flowers
(iv) Leaves
Answer: (iv) Leaves