Free Anatomy Of Flowering Plants (Daily Quiz: 9) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

In trees, the growth rings represent –

(a) secondary xylem

(b) primary xylem

(c) secondary phloem

(d) cambium

Question-2

The epidermis is generally covered with a waxy thick layer called the _________ which prevents the loss of water.

(a) Tunicin

(b) Suberin

(c) Cuticle

(d) Chitin

Question-3

The only plant cells without nuclei among following are –

(a) Xylem vessels

(b) Cambium cells

(c) Root hairs

(d) Companion cells

Question-4

Assertion:
Vessels become dead at maturity.
Reason:
Initially cell possesses living protoplasm but due to lignin deposition in wall along with other thickening material they become dead.

(a) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.

(b) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.

(c) If the assertion is true but the reason is false.

(d) If both the assertion and reason are false.

Question-5

For union between stock and scion in grafting which one is the first to occur

(a) differentiation of new vascular tissues

(b) formation of callus

(c) production of plasmodesmata

(d) regeneration of cortex and epidermis.