Isobilateral Leaf

Q.

The length of different internodes in a culm of sugarcane is variable because of

1. shoot apical meristem

2. position of axillary buds

3. size of leaf lamina at the node below each internode

4. intercalary meristem

Q. The internal structure of monocot leaf is similar to dicot leaf in the

1. absence of mesophyll
2. arrangement of stomata
3. absence of stomata
4. presence of stomata

Q.

Bulliform cells take part in

1. Curling of leaves

2. Protection of leaves

3. Providing strength to leaves

4. Drooping of leaves

Q.

what is the difference between xylem parenchyma and phloem parenchyma

Q.

Bulliform cells take part in:

1. Curling of leaves

2. Protection of leaves

3. Providing strength to leaves

4. Drooping of leaves

Q. Mesophyll tissue in the isobilateral leaf is

1. differentiated into palisade and spongy parenchyma with chloroplasts
2. differentiated into palisade and spongy collenchyma
3. undifferentiated
4. differentiated into palisade and spongy parenchyma without chloroplasts.

Q. During water stress, the bulliform cells:
(a) Become turgid
(b) Become flaccid
(c) Make the leaves curl inwards

1. only (a)
2. only (b)
3. (a) and (b)
4. (b) and (c)

Q. Which of the following do not have stomata?

1. Hydrophytes
2. Submerged hydrophytes
3. Mesophytes
4. Xerophytes