NEET UG Botany MCQ-80

Question No:1

Hydrolytic enzymes present in the lysosome are optimally active at

(A) Acidic pH
(B) Basis pH
(C) Neutral pH
(D) No influence of pH

Question No:2

The membrane bound space found in the cytoplasm of a cell is

(A) Centrosome
(B) Vacuole
(C) Centriole
(D) ER

Question No:3

.The unit membrane present around the vacuole is called

(A) Tonoplasm
(B) Tonoplast
(C) Tonolymph
(D) (b) & (c)

Question No:4

Contractile vacuole is important for excretion in

(A) Amoeba
(B) Paramecium
(C) Euglena
(D) Plasmodium

Question No:5

Food vacuoles are usually found in

(A) Amoeba
(B) Protists
(C) Amphibians
(D) Fungi

Question No:6

The number of unit membranes which bound the mitochondria are

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

Question No:7

The continous limiting boundary of mitochondria is

(A) Outer membrane
(B) Inner membrane
(C) (a) & (b)
(D) None

Question No:8

The surface area of mitochondria can be increased by

(A) Outer membrane
(B) Cristae
(C) Matrix
(D) All

Question No:9

Site of aerobic respiration in an eukaryotic cell is

(A) Plasma membrane
(B) Cytoplasm
(C) Mitochondria
(D) Peroxysome

Question No:10

Cell organelle which produces the cellular energy in the form of ATP is

(A) Mitochondria
(B) Chloroplast
(C) (a)&(b)
(D) None

Question No:11

Power houses of the cell is

(A) Chloroplast
(B) Mitochondria
(C) Ribosomes
(D) Lysosome

Question No:12

The mitochondria are divide by

(A) Binary fission
(B) Amitosis
(C) Fission
(D) Replication

Question No:13

Cell organelle exclusively found in all autotrophic plant cells and in Euglenoides is

(A) Mitochondria
(B) Chloroplast
(C) Plastids
(D) Ribosomes

Question No:14

Classification of plastids is mainly based on

(A) Shape
(B) Size
(C) Pigmentation
(D) Ontogeny

Question No:15

Plastids with carotenoid pigments are

(A) Chloroplast
(B) Leucoplasts
(C) Chromoplasts
(D) (a) & (c)

Question No:16

Plastids which are responsible for trapping light energy essential for photosynthesis

(A) Leucoplasts
(B) Chromoplasts
(C) Chloroplasts
(D) All

Question No:17

Plastid with fat soluble carotenoids only are

(A) Leucoplasts
(B) Chromopalsts
(C) Chloroplasts
(D) All

Question No:18

Fat soluble pigments are

(A) Carotenes
(B) Xanthophylls
(C) (a) & (b)
(D) None

Question No:19

The colourless (non-pigmented) plastids are

(A) Leucoplasts
(B) Chloroplasts
(C) Chromoplasts
(D) (a) & (c)

Question No:20

Leucoplasts which help in storage of carbohydrates are

(A) Elaioplasts
(B) Aleuroplasts
(C) Amyloplasts
(D) Amorphoplasts