During muscle contraction
Options
(a) Chemical energy is changed into electrical energy (b) Chemical energy is changed into mechanical energy (c) Chemical energy is changed into physical energy (d) Mechanical energy is changed […]
During movement of electron through ETC
Options
(a) pH of matrix increases (b) Electrons are transported by active transport (c) Electrons are resonated (d) Electrons show fluoroscence
Correct Answer:
pH of matrix increases
During hibernation, frog respires with
Options
(a) Lung only (b) Moist skin only (c) Buccal cavity only (d) External gills and lungs
Correct Answer:
Moist skin only
Explanation:
In frog, cutaneous respiration occurs […]
During cell growth, DNA synthesis takes place in
Options
(a) G1 phase (b) M phase (c) S phase (d) G2 phase
Correct Answer:
S phase
Explanation:
DNA replication occurs in S – phase […]
During anaerobic respiration in yeast
Options
(a) Water and CO₂ are end products (b) CO₂, C₂H₅OH and energy are end products (c) H₂S, C₆H₁₂O₆ and energy are the end products (d) H₂O, CO₂ […]
During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left un-degraded?
Options
(a) Cellulose (b) Lipids (c) Lignin (d) Hemi-cellulose
Correct Answer:
Lignin
Explanation:
Lignin […]
During alcoholic fermentation by yeast two molecules of glucose produce
Options
(a) 2 molecules of ethanol +2 molecules of CO₂ (b) 4 molecules of ethanol +4 molecules of CO₂ (c) 6 molecules of […]
During aerobic respiration, acetyl CoA is synthesized in
Options
(a) Cytosol (b) Mitochondrial matrix (c) Glyoxysomal matrix (d) Perichondrial space
Correct Answer:
Mitochondrial matrix
Explanation:
During aerobic respiration acetyl CoA is synthesized in […]
Dry indehiscent single – seeded fruit formed from bicarpellary syncarpous inferior ovary is
Options
(a) Berry (b) Cremocarp (c) Caryopsis (d) Cypsela
Correct Answer:
Cypsela
Explanation:
Cypsela is a dry, one chambered, one […]
Dreaming occurs in
Options
(a) Q-sleep (b) REM sleep (c) deep sleep (d) slow wave sleep
Correct Answer:
REM sleep
Explanation:
In 1953,neuroscientists discovered by physiological state which occurs periodically during sleep.There is […]
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