NEET UG Botany-142

Question No:1

Endodermis is a part of

(A) epidermis
(B) Pericycle
(C) cortex
(D) medulla

Question No:2

The function of a vessel is

(A) to provide mechanical strength
(B) conduction of a vessel
(C) conduction of water and minerals
(D) all of the above

Question No:3

Secondary growth of dicot stem is due to

(A) phelloderm
(B) bark
(C) lateral meristem
(D) wood cork

Question No:4

Periderm includes

(A) cork and secondary cortex
(B) cork cambium only
(C) cork cambium, cork and secondary cortex
(D) cork cambium and cork

Question No:5

Meristematic tissues include

(A) mature fruits and leaf tips
(B) stem and root apices, vascular cambium
(C) stem and root apices, cork cambium and mature fruits
(D) leaf tips, cork cambium and vascular cambium

Question No:6

The poccess of conversion of meristematic tissue to permanent cell is

(A) dedifferentiation
(B) undifferentiation
(C) differentiation
(D) none of these

Question No:7

During callus differentiation which of the cells divide ?

(A) parenchyma only
(B) meristematic only
(C) both (a) and (b)
(D) no division

Question No:8

Which is living mechanical tissue?

(A) phloem
(B) parenchyma
(C) collenchyma
(D) sclerenchyma

Question No:9

Which of the following is not a character of meristematic tissue?

(A) presence of prominent nucleus
(B) intercellular space present
(C) absence of vacuole
(D) proplastid present

Question No:10

The histogens are classified on the basis of

(A) cells they contain
(B) cell they give rise to future tissue
(C) meristematic activity
(D) cell division

Question No:11

Parenchymatous cells are found in

(A) pulp of fruit
(B) seeds
(C) endocarp
(D) skin of fruit

Question No:12

Quiescent centre is a

(A) weak zone
(B) active zone
(C) inactive zone
(D) strong base

Question No:13

Match the following:
List – 1 —— List – 2
1) bulliform cells A) stomata
2) guard cells B) aerating pore
3) lenticel C) acessory cell
4) subsidiary cell D) isobilateral leaf
The correct match is

(A) 1-D, 2-A, 3-B, 4-C
(B) 1-A, 2-D, 3-B, 4- C
(C) 1-D, 2-B, 3-C, 4-A
(D) 1-A, 2-B, 3-C, 4-C

Question No:14

Motor cells are found in

(A) monocot leaf
(B) upper epidermis of monocot leaf
(C) brain
(D) spinal cord

Question No:15

Between the bark and the wood in a woody stem, there is a layer of meristem called

(A) cork cambium
(B) apical mersitem
(C) vascular cambium
(D) the zone of cell division

Question No:16

Vascular bundle in which the protoxylem is pointing to the periphery is called

(A) endarch
(B) exarch
(C) radial
(D) closed

Question No:17

When phloem and cambium are present on both sides of xylem, the vascular bundle is called

(A) bicollateral
(B) radial
(C) concentric
(D) collateral

Question No:18

Cambium activity is highest in

(A) spring
(B) winter
(C) autumn
(D) rains

Question No:19

Wood is

(A) Primary xylem
(B) Secondary xylem
(C) Primary phloem
(D) Secondary phloem

Question No:20

Cork tissue arises from

(A) periderm
(B) Phellogen
(C) pelloderm
(D) phellem