The desert grasses, often curls their leaf to minimise water loss due to presence of 

1. Spines

2. Palisade parenchyma

3. Bundle sheath cells

4. Bulliform cells

Match the Column I and II.

        A  B  C  D
(a)   1   2  3   4
(b)   3   1  2   4
(c)   4   1  2   3
(d)   4   3  2   1

Match the following

 A. A-iii, B-iv, C-i, D-ii

B. A-i, B-ii, C-iii, D-iv

C. A-iii, B-ii, C-iv, D-i

D. A-iii, B-ii, C-i, D-iv

Parenchymal cells have ________ walls and are made up of _____________.

Lignified cell wall is characteristic feature of

  _________ are commonly found in the fruit walls of nut.

Tracheids, vessels, xylem fibres and xylem parenchyma are components of

Dead cell without protoplasm is ___________.

In flowering plants which of the following are main water transporting element

Central cavity is found in