Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Cellular respiration is essentially a/an _____________ process?
A: Oxidation.
B: Reduction.
C: Redox.
D: None of the above.
Oxidation.
Photosystem II has molecules which absorbs maximum light of___________?
A: 680 nm
B: 100 m
C: 700 nm
D: 670 nm
680 nm
NADPH2 provides___________?
A: assimilatory power
B: chemical energy
C: energized electrons
D: All of these
All of these
Thylakoids in chloroplasts are stacked into___________?
A: Grana
B: Stroma
C: Nucleus
D: None of these
Grana
Molecular formula of chlorophyll ˜a molecule is___________?
A: C55H72O5N4Mg
B: C55H70O6N4Mg
C: C50H72O6N4Mg
D: C55H70O5N4Mg
C55H72O5N4Mg
Which of the following pigment is Blue- green in colour?
A: Chlorophyll a
B: Chlorophyll
C: B.
D: C. Chlorophyll c
E: D. Chlorophyll d.
Chlorophyll a
Which of the light is mainly absorbed by the plants?
A: Orange
B: Red
C: Green
D: Both A and B
Both A and B