In photosynthesis, oxygen is produced from the splitting of:
Carbon dioxide molecules
Water molecules
Glucose molecules
ATP molecules
Related Questions
Within the chloroplast, the chlorophyll pigments are organized in the form of
PS-I
PS-II
PS-III
Both (a) and (b)
Which of the following statements regarding cell division is incorrect?
Mitosis produces genetically different daughter cells.
Meiosis is involved in sexual reproduction.
Cell division is essential for growth and repair in multicellular organisms.
Meiosis produces four daughter cells.
In photosystem II, the reaction centre chlorophyll-a absorbs …A… nm wave length of red light causing electrone to become excited and jump into an orbit farther from the atomic nucleus. These electrons are picked up by an …B…, which passes them to an electron transport system constisting of …C… Pick the right choice for A, B and C
A = 680, B = Primary electron acceptor, C = PQ, Cytochrome b6f complex, PC
A = 700, B = Ferredoxin, C = Fd-NADP reductase
A = 680, B = Water, C = ATP synthase
A = 700, B = Primary electron acceptor, C = Pheophytin, PQ
Light energy in photosynthesis is utilized in
converted into
ADP converted into ATP
ATP converted into ADP
None of the above
Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
Proton gradient
Accumulation of K ions
Accumulation of Na ions
Membrane potential
The wave length of light absorbed by reaction centre of PS-II is?
640 nm
680 nm
720 nm
940 nm
What is the primary function of the proton gradient generated during the light-dependent reactions?
To split water molecules.
To reduce NADP+ to NADPH.
To drive ATP synthesis by ATP synthase.
To fix carbon dioxide.
Which of the following is NOT directly involved in the light-dependent reactions of photosynthesis?
Chlorophyll
Water
Sunlight
Rubisco
The light reactions of photosynthesis generate all of the following EXCEPT:
ATP
NADPH
Oxygen
Glucose
Photosynthesis is A) Anabolic process B) Endergonic process C) Physico-biochemical process D) Amphibolic process
A) Anabolic process
B) Endergonic process
C) Physico-biochemical process
D) Amphibolic process
