NEET UG Botany MCQ-133

Question No:1

Spring wood and Autumn wood are found in

(A) Sapwood
(B) Phellogen
(C) Heartwood
(D) both a & c

Question No:2

Meristems are :

(A) Mature cells
(B) Well differentiated cells
(C) Embryonal cells
(D) None of these

Question No:3

Quiescent centre possesses:

(A) Activity dividing cells
(B) Meristematic cells
(C) Passive cells
(D) Storage cells

Question No:4

Calyptra occurs at the very tip of

(A) Root
(B) Shoot
(C) Leaves
(D) floral buds

Question No:5

Cambial cells divide:

(A) Vertically
(B) Anticlinally
(C) Tangentially
(D) Obliquely

Question No:6

Inter fascicular cambium is :

(A) Primary meristem
(B) Secondary meristem
(C) Abnormal meristem
(D) None of these

Question No:7

Intercalary meristem occurs mainly in

(A) Some dicot leaves
(B) Some monocot stems
(C) In all monocot stems
(D) Dicot stem and roots

Question No:8

Ray initials are found in:

(A) Cork cambium
(B) Vascular cambium
(C) Lateral meristem on the whole
(D) Ground tissue

Question No:9

Based on function meristems are classified by

(A) Strasburger
(B) Nageli
(C) Schmidt
(D) Haberlandt

Question No:10

Xylem and phloem of primary plant body are formed by

(A) Dermatogen
(B) Protoderm
(C) Promeristem
(D) Procambium

Question No:11

Meristematic activities are best seen in

(A) Cambial meristem
(B) Root and shoot apices
(C) At leaf tips
(D) All of these

Question No:12

Procambium gives rise to

(A) Vascular cambium
(B) Xylem
(C) Ground tissue
(D) Dermal tissue

Question No:13

Meristem which produces vascular bundles is

(A) Procambium
(B) Lateral meristem
(C) Secondary meristem
(D) Mass mieristem

Question No:14

Apical, intercalary and lateral meristems are recognized on the basis of their

(A) Specific function
(B) Position
(C) Mode of formation
(D) None of these

Question No:15

Primary meristems are those which originate

(A) Since birth from embryonal tissue
(B) During secondary meristem
(C) By dedifferentiation
(D) None of the above

Question No:16

Phellem and phelloderm are the products of

(A) Lateral meristem
(B) Phellogen
(C) Cork cambium
(D) All of these

Question No:17

The term ‘meristem’ is given by

(A) Grew
(B) Nageli
(C) Strasburger
(D) Hanstein

Question No:18

Dedifferentiation occurs during the formation of

(A) Cork cambium
(B) Vascularcambium
(C) a & b
(D) Sclerenchyma

Question No:19

Examples of dead cells are:

(A) Stone cells, sclerotic cells, Fibers, xylem
(B) Velamen cells, cork cells, collenchyma cells, xylem
(C) Xylem tracheids, vessels, fibres and xylem parenchyma
(D) All of the above

Question No:20

Lignified tissues are:

(A) Permeable for gases, solutes and solvents
(B) Provided with simple or bordered pits
(C) meant for mechanical strength or conduction
(D) all of the above