Cortical Layers

Q. In the given diagram of lenticel, label A, B, C in the given option.

1. A-Epidermis, B-Cork cambium, C-Secondary cortex
2. A-Stomata, B-Cork, Cambium, C-Secondary cortex
3. A-Stomata, B-Cork, Cambium, C-Secondary cortex
4. A-Epidermis, B-Cork cambium, C-Endodermis

Q. Why is the cortical layer suitable for storing starch, oils and tanins?

1. Collenchyma

2. Sclereids

3. Aerenchyma

4. Parenchyma

Q. Collenchyma produces

1. Epidermis
2. Hypodermis
3. Phloem
4. Inner cortex

Q. Study the following lists.

List-I	List-II
(A) Tyloses	(I) Coenocytic
(B) Periderm	(II) Adaxial epidermis
(C) Motor cells	(III) Complementary cells
(D) Laticifers	(IV) Heart wood
	(V) Conjunctive tissue

1. A- (II), B- (V), C- (I), D- (III)
2. A- (IV), B- (III), C- (II), D- (I)
3. A- (IV), B- (I), C- (III), D- (V)
4. A- (III), B- (II), C- (I), D- (V)

Q. The slide shows cells of loosely packed with intercellular space along with central nucleus.

1. Parenchyma
2. Xylem
3. Phloem
4. Xylem vessels

Q. A parenchymatous cell which stores ergastic substances (waste products) is

1. Idioblast
2. Conidioblast
3. Phragmoplast
4. None of the above

Q. Why is the cortical layer suitable for storing starch, oils and tanins?

1. Because it is made of Parenchyma tissue
2. It has lot of intracelluar space
3. It is close to sieve tube elements
4. Only A and C

Q. A parenchymatous cell which stores waste products is

1. Fibroblast
2. Condioblast
3. Idioblast
4. All of the above