Biology Botany MCQ online Quiz NEET UG Medical/Dental,AIIMS,JIPMER

NEET UG Botany MCQ-132

Question No:1

Primary xylem is developed from

(A) Cambium
(B) Procambium
(C) Interfascicular cambium
(D) Cork cambium

Question No:2

Sieve cells are found in

(A) Gymnosperms and Bryophytes
(B) Thallophytes and Bryophytes
(C) Gymnosperms and Pteridophytes
(D) Algae and Fungi

Question No:3

Anucleated living cell found in the angiospermic plant

(A) Companion cells
(B) Mature sieve tube cell
(C) Tracheae
(D) Tracheids

Question No:4

Insectivorous plants generally contain

(A) Nectary glands
(B) Osmophores
(C) Digestive glands
(D) Hydathodes

Question No:5

A layer of cells that surrounds the schizogenous cavity is called

(A) Endothecium
(B) Epithelium
(C) Epithem
(D) Exothecium

Question No:6

Scientific name of Indian rubber tree is

(A) Calotropis
(B) Catharanthus
(C) Ficus elastica
(D) Hevea brasiliensis

Question No:7

Identify the incorrect statement regarding tracheary elements of xylem

(A) Protoplasts are absent
(B) Elongated, cells with lignified secondary walls
(C) All groups of plants (vascular) contains both the tracheary elements
(D) Chiefly concerned with conduction of water

Question No:8

Tyloses are observed in the lumen of

(A) Thylakoids
(B) Sieve tubes
(C) Fibre tracheids
(D) Xylem Vessels

Question No:9

The hypodermal cells in the seed coat of legumes show

(A) Very narrow lumen
(B) Deposition of lignin in stratified layers in cell walls
(C) Resemblance with parenchyma cell in having primary pit fields
(D) a & b

Question No:10

A gymnosperm having xylem vessels also is

(A) Selaginella
(B) Equisetum
(C) Gnetum
(D) Drimys

Question No:11

Choose the mismatch

(A) Libriform fiber-Simple pits in lignified walls
(B) Companion cell-sister cell of albuminous cell
(C) Sieve tube element -Unspecialized sieve areas on lateral walls
(D) Tyloses- Obstruct the growth of pathogenic fungi

Question No:12

Intrastelar secondary lateral meristem in dicot stem is

(A) Interfascicular cambium
(B) Fascicular cambium
(C) Cork Cambium
(D) Absent

Question No:13

Identify the incorrect statement regarding endodermis of roots

(A) It is the innermost part of cortex
(B) It prevents the entry of air from soil into stele
(C) It is single layered, barrel shaped cells with easparian bands
(D) It helps in leakage of water from stele into cortex

Question No:14

Endodermis with many passage cells are seen in cross section of

(A) Castanea root
(B) Helianthus root
(C) Ricinus root
(D) Zea root

Question No:15

Which of the following is not a function of Pericycle?

(A) It is the seat of origin of lateral roots
(B) In dicot roots, some cells of the Pericycle can dedifferentiate into cambium
(C) In dicot stems, it gives mechanical strength
(D) In old monocot roots, it gives protection when the cortex is destroyed

Question No:16

The shape of xylem vessels in monocot stem

(A) Y-shaped
(B) X-shaped
(C) Long, tubular
(D) S-shaped

Question No:17

The cells are chlorophyllous, fewer in number, dumbbell in shape and inner walls are thick. This description fits to

(A) Subsidiary cells
(B) Guard cells
(C) Passage cells
(D) Bulliform cells

Question No:18

Anatomically dicot leaf differs from monocot leaf in having

(A) Collateral and closed vascular bundles
(B) Sclerenchymatous bundle sheath extensions
(C) More number of stomata on the abaxial surface than the adaxial surface
(D) Undifferentiated mesophyll

Question No:19

The youngest layer of secondary phloem in woody dicot stem is located

(A) Just outside to epidermis
(B) Just outside to vascular cambium
(C) Just inside to vascular cambium
(D) Between periderm and primary cortex

Question No:20

Which of the following is not related to vascular cambium

(A) It consists of ray and fusiform initials
(B) Most of its divisiions are periclinal
(C) Every year only one is formed in concentric rings
(D) Shows seasonal variations in activity