62304
Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:
1 Flaccidity of bulliform cells
2 Shrinkage of air spaces in spongy mesophyll
3 Tyloses in vessels
4 Closure of stomata
Explanation:
: Bulliform Cell - These cells are present in the upper surface of the leaf. They are generally present near the mid-vein portion
NEET-2019
Morphology of Plants
62364
Identify the wrong expression from the following statements:
1 A plant that bears male, female and bisexual flowers is polygamous.
2 An actinomorphic flower can be dissected into two equal haves from any place.
3 Superior ovary is found in hypogynous flowers.
4 That side of the flower towards the bract is called the posterior side.
Explanation:
: Bract is considered a modified leaf. It bears a peduncle or petiole in its axile. Bract occurs towards the anterior side of a flower while mother axis or floral axis of a flower occurs towards the posterior side. The branch bearing flower is called as the mother axis.
62304
Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:
1 Flaccidity of bulliform cells
2 Shrinkage of air spaces in spongy mesophyll
3 Tyloses in vessels
4 Closure of stomata
Explanation:
: Bulliform Cell - These cells are present in the upper surface of the leaf. They are generally present near the mid-vein portion
NEET-2019
Morphology of Plants
62364
Identify the wrong expression from the following statements:
1 A plant that bears male, female and bisexual flowers is polygamous.
2 An actinomorphic flower can be dissected into two equal haves from any place.
3 Superior ovary is found in hypogynous flowers.
4 That side of the flower towards the bract is called the posterior side.
Explanation:
: Bract is considered a modified leaf. It bears a peduncle or petiole in its axile. Bract occurs towards the anterior side of a flower while mother axis or floral axis of a flower occurs towards the posterior side. The branch bearing flower is called as the mother axis.
