Which pigment of the plant takes part in light reaction of photosynthesis?
Options
(a) Xanthophyll (b) chlorophyll-a (c) carotene (d) phycoxanthin
Correct Answer:
chlorophyll-a
Explanation:
Chlorophyll a is present in all photosynthetic plants […]
The rate of photosynthesis is higher in
Options
(a) very high light (b) continuous light (c) red light (d) green light
Correct Answer:
red light
Explanation:
The range of photosynthetically active radiation (PAR) […]
H₂ donor during photosynthesis is
Options
(a) NADH (b) NADP (c) ATP (d) NADPH
Correct Answer:
NADPH
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
During which phase of cell cycle DNA duplication occurs?
Options
(a) G₁ phase (b) G₂ phase (c) S phase (d) G₀ phase
Correct Answer:
S phase
Explanation:
No explanation available. Be the first to […]
Aspirin is chemically
Options
(a) methyl benzoate (b) ethyl salicylate (c) acetyl salicylic acid (d) o-hydroxy benzoic acid
Correct Answer:
acetyl salicylic acid
Explanation:
No explanation available. Be the first to write the […]
Isoprene is used for the preparation of
Options
(a) teflon (b) rubber (c) nylon 66 (d) nylon
Correct Answer:
rubber
Explanation:
No explanation available. Be the first to write the explanation for this […]
The reduction of benzoyl chloride with H₂/Pd BaSO₄ gives
Options
(a) benzoic acid (b) toluene (c) benzaldehyde (d) benzyl alcohol
Correct Answer:
benzaldehyde
Explanation:
No explanation available. Be the first to write the […]
Which kind of isomerism is exhibited by octahedral [Co(NH₃)₄Br₂]Cl
Options
(a) Geometrical and ionisation (b) Geometrical and optical (c) Optical and ionisation (d) Geometrical only
Correct Answer:
Geometrical and ionisation
Explanation:
[Co(NH₃)₄Br₂]Cl […]
Reaction of solid KMnO₄ with conc.H₂SO₄ produces manganese heptoxide (Mn₂O₇) in
Options
(a) solution state (b) solid state (c) fine powder (d) none of these
Correct Answer:
solution state
Explanation:
KMnO₄ on treatment […]
Aluminium is obtained by
Options
(a) reducing Al₂O₃ with coke (b) electrolysing Al₂O₃ dissolved in Na₃AlF₆ (c) reducing Al₂O₃ with chromium (d) heating Al₂O₃ and cryolite
Correct Answer:
electrolysing Al₂O₃ dissolved in […]
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