NEET UG Botany MCQ-81

Question No:1

Fat storing, non-pigmented plastid is

(A) Elaioplasts
(B) Amyloplasts
(C) Aleuroplast
(D) All

Question No:2

Colourless plastid responsible for storage of proteins is

(A) Amyloplast
(B) Aleuroplast
(C) Elaioplast
(D) None

Question No:3

Majority of the Chloroplasts of the green plants are found in

(A) Epidermal cells
(B) Cortical cells
(C) Mesophyll cells
(D) Cork cells

Question No:4

The average number of chloroplasts that are present in mesophyll cells

(A) 1-10
(B) 10-20
(C) 20-30
(D) 20-40

Question No:5

Unicellular green alga with only one chloroplast is

(A) Spirogyra
(B) Ulothrix
(C) Ulva
(D) Chlamydomonas

Question No:6

The space limited by the inner membrane of the chloroplast is called

(A) Envelope
(B) peri-plastidial space
(C) Cristae
(D) Stroma

Question No:7

A number of organised flattened membranous sacs present in the stroma are

(A) Grana
(B) Fret membranes
(C) Thylakoids
(D) Spherosomes

Question No:8

The matrix of both chloroplast and mitochondria are similar in having

(A) Circular DNA
(B) 70s ribosomes
(D) All

Question No:9

Pigmented regions of the chloroplast are

(A) Stroma
(B) Inner membrane
(C) Thylakoids
(D) (b) & (c)

Question No:10

Ribosomes were first observed by

(A) Kollikar
(B) Benda
(C) Palade
(D) Camelio Golgi

Question No:11

Cell organelle which is not bounded by any membrane

(A) Centriole
(B) Spherosome
(C) Vacuole
(D) Ribosome

Question No:12

Ribonucleoprotein particles found in a cell are

(A) Ribosomes
(B) Mesosomes
(C) Glyoxysomes
(D) All

Question No:13

70s and 80s ribosomes both are present in

(A) Mitochondria
(B) Chloroplast
(C) Prokaryotic cells
(D) Eukaryotic cells

Question No:14

A network of filamentous proteinaceous structures present in the cytoplasm is

(A) Ehdoplasmic reticulum
(B) Polysome
(C) Cytoskeleton
(D) None

Question No:15

The cytoskeleton in a cell is involved in

(A) Motility
(B) Mechanical support
(C) Shape of cell
(D) All the above

Question No:16

Hair like outgrowths of the cell membrane which work like oars are

(A) Cilia
(B) Flagella
(C) Fimbriae
(D) Sex pili

Question No:17

The core of the cilium (or) the flagellum is called

(A) Exoneme
(B) Axoneme
(C) Endoneme
(D) All

Question No:18

The core of the cilium/flagellum is composed of

(A) 2 microtubules
(B) 9 pairs of microtubules
(C) 10 pairs of microtubules
(D) 9+2 of microtubulses

Question No:19

9+2 array of microtubules is found in the core of

(A) Cilia
(B) Flagella
(C) Fimbriae
(D) (a) & (b)

Question No:20

Number of radial spokes found in the axoneme of cilium/flagellum are

(A) 2
(B) 6
(C) 9
(D) 11