Q12 of 13 Page 9

Choose the correct option from the following:

Plants take carbon dioxide from the atmosphere mainly through their:


(i) root


(ii) stem


(iii) flowers


(iv) Leaves

Plants need carbon dioxide for the process of photosynthesis. They take carbon dioxide from the air. Carbon dioxide enters the leaves through tiny pores present on the leaves’ surface called stomata.


More from this chapter

All 13 →
8

The plant which traps and feeds on insects is:

i. Cuscuta
ii. China rose
iii. pitcher plant
iv. Rose

 9

Match the items given in Column I with those in Column II:



























Column I



Column II



Chlorophyll



Bacteria



Nitrogen



Heterotrophs



Amarbel



Pitcher plant



Animals



Leaf



Insects



Parasite


 10

Mark ‘T’ if the statement is true and ‘F’ if it is false.

i. Carbon dioxide is released during photosynthesis. (T/F)


ii. Plants which synthesize their food themselves are called saprotrophs. (T/F)


iii. The product of photosynthesis is not a protein. (T/F)


iv. Solar energy is converted into chemical energy during photosynthesis. (T/F)

 11

Choose the correct option from the following:

Which part of the plant gets carbon dioxide from the air for photosynthesis?


i. root hair


ii. Stomata


iii. Leaf veins


iv. Sepals.