Carotid artery supplies oxygenated blood to
Options
(a) lungs (b) intertine (c) brain (d) none of these
Correct Answer:
brain
Explanation:
Carotid artery is a paired vertebrate artery, one on each side of […]
Cell membrane is made up of
Options
(a) protein (b) cellulose (c) lipids (d) lipids,carbohydrates and protein
Correct Answer:
lipids,carbohydrates and protein
Explanation:
No explanation available. Be the first to write the explanation […]
Number of thylakoids in a granum is
Options
(a) (5-10) (b) (2-100) (c) (100-150) (d) (150-200)
Correct Answer:
(2-100)
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Calvin cycle is
Options
(a) reductive carboxylation (b) oxidative carboxylation (c) reduction (d) oxidation
Correct Answer:
reductive carboxylation
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Black foot disease is caused due to excess of
Options
(a) arsenic (b) mercury (c) lead (d) cadmium
Correct Answer:
arsenic
Explanation:
No explanation available. Be the first to write the explanation for […]
Which one is absent in viruses?
Options
(a) replication (b) protein synthesis (c) energy liberation (d) mutation
Correct Answer:
energy liberation
Explanation:
No explanation available. Be the first to write the explanation for […]
A free living nitrogen fixing cyanobacterium which also forms symbiotic association with Azolla is
Options
(a) Anabaena (b) Nostoc (c) Chlorella (d) Tolypothrix
Correct Answer:
Anabaena
Explanation:
Anabaena azollae resides in the leaf cavities […]
If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
Options
(a) 14.20% (b) 20.20% (c) 35.20% (d) 45.50%
Correct Answer:
14.20%
Explanation:
No explanation available. Be […]
The wavelength of the radiation emitted when an electron drops from 3rd orbit to 2nd orbit in H – atom will be nearly
Options
(a) 3300 A⁰ (b) 6600 A⁰ (c) 9900 A⁰ […]
Which of the following protects the embryo from external injury?
Options
(a) allantois (b) chorion (c) amnion (d) yolk sac
Correct Answer:
amnion
Explanation:
No explanation available. Be the first to write the […]
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