Free Anatomy Of Flowering Plants (Weekly Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

During secondary growth all occur except

(a) Phloem crushed

(b) Secondary medullar rays forms

(c) Primary phloem forms

(d) Secondary xylem forms

Question-2

The quiescent centre in root meristem serves as a

(a) reserve for replenishment of damaged cells of the meristem.

(b) site for storage of food which is utilized during maturation.

(c) reservoir of growth hormones.

(d) region for absorption of water.

Question-3

Outside to inside the layer of monocot root are

(a) Pith‒Epidermis‒Endodermis‒Cortex‒Pericycle‒Vascular bundle

(b) Endodermis ‒ Epidermis ‒ Cortex ‒ Pith‒Vascular bundle‒Pericycle

(c) Epidermis‒Cortex‒Endodermis‒Pericycle‒Vascular bundle‒Pith

(d) Pericycle‒Vascular bundle‒Cortex‒Pith‒Epidermis‒Endodermis

Question-4

Which of the following statement(s) is/are correct ?

1. Uneven thickening of cell wall is characteristic of sclerenchyma.
2. Periblem forms cortex of the stem and the root.
3. Tracheids are the chief water transporting elements in gymnosperms.
4. Companion cell is devoid of nucleus at maturity.
5. The commercial cork is obtained from Quercus suber.

(a) (ii) and (v) only

(b) (i) and (iv) only

(c) (iii) and (iv) only

(d) (ii), (iii) and (v) only

Question-5

When we peel the skin of a potato tuber, we remove

(a) epidermis

(b) periderm

(c) cuticle

(d) sapwood

Question-6

Death of protoplasm is a prerequisite for a vital function like

(a) absorption of water

(b) transport of sap

(c) transport of food

(d) gaseous exchange.

Question-7

Which of the following does not have stomata?

(a) Xerophytes

(b) Hydrophytes

(c) Mesophytes

(d) Submerged hydrophytes

Question-8

Casparian strips are found in

(a) periderm

(b) epidermis

(c) hypodermis

(d) endodermis.

Question-9

Function of companion cells is

(a) loading of sucrose into sieve elements by passive transport

(b) providing energy to sieve elements for active transport

(c) providing water to phloem

(d) loading of sucrose into sieve elements.

Question-10

Assertion:
Stomata regulate the process of transpiration and gaseous exchange.
Reason:
Stomata are present in the cortex of stem.

(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.