Biology Mcqs

Of the following, which one light – gathering?

(A) Antenna complex

(B) Reaction centre

(C) Photosystem

(D) None of these

Submitted By: Ali Uppal


Thylakoids in chloroplasts are stacked into___________?

(A) Grana

(B) Stroma

(C) Nucleus

(D) None of these

Submitted By: Ali Uppal


NADPH2 provides___________?

(A) assimilatory power

(B) chemical energy

(C) energized electrons

(D) All of these

Submitted By: Ali Uppal


Light reaction takes place on/in____________?

(A) Thylakoid

(B) Storma

(C) Chloroplast

(D) Grana

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Submitted By: Ali Uppal


Final acceptor of electrons in respiratory chain is____________?

(A) NADH

(B) Cytochrome a3

(C) Water

(D) Oxygen

Submitted By: Ali Uppal


Submitted By: Ali Uppal


The most important photosynthetic pigment is ___________?

(A) Chlorophyll a

(B) Chlorophyll b

(C) Xanthophyll

(D) Carotenes

Submitted By: Ali Uppal


The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as___________?

(A) Hydrophilic

(B) Hydrophobic

(C) Both of these

(D) None of these

Submitted By: Ali Uppal