Select the correct pair.

1. Cells of medullary rays that form part of a cambial ring - Interfascicular cambium

2. Loose parenchyma cells rupturing the epidermis and forming a lens-shaped opening in the bark - Spongy parenchyma

3. Large colorless empty cells in the epidermis of grass leaves - Subsidiary cells 

4. In dicot leaves, vascular bundles are surrounded by large thick-walled cells - Conjunctive tissue

Match List-I with List-II.

Choose the correct answer from the options given below. 

    (a) (b) (c) (d)

1. (ii) (iii) (iv) (i)

2. (iv) (ii) (i) (iii)

3. (iv) (i) (iii) (ii)

4. (iii) (i) (iv) (ii)

Match List I with List II

Select the correct answer from the options given below.

     (a)     (b)     (c)     (d)

1.  (i)      (ii)     (iii)     (iv)

2.  (iii)     (ii)     (iv)     (i)

3.  (ii)      (iv)    (i)      (iii)

4.  (iv)     (iii)    (ii)      (i)

The apical meristem of the root is present
1. Only in radicals
2. Only in tap roots
3. Only in adventitious roots
4. In all the roots

Axillary bud and terminal bud derived from the activity of : -
1. Lateral meristem
2. Intercalary meristem
3. Apical meristem
4. Parenchyma

Four radial V.B. are found in : -
1.  Dicot root
2.  Monocot root
3.  Dicot stem
4.  Monocot stem

Vessels are found in : -

(1) All angiosperms and some gymnosperm

(2) Most of the angiosperm and few gymnosperms

(3) All angiosperms, all gymnosperms and some pteridophyta

(4) All pteridophyta

Main function of lenticel is : -
1. Transpiration
2. Guttation
3. Gaseous exchange
4. Bleeding

The periderm includes :
1.  Secondary phloem
2.  Cork
3.  Cambium
4.  All of these

Some vascular bundles are described as open
because these :
1. are not surrounded by pericycle
2. are surrounded by pericycle but no
endodermis
3. are capable of producing secondary xylem
and phloem
4. possess conjunctive tissue between xylem
and phloem