In which of these animals, antennal gland or green glands functions as excretory organ
Options
(a) Human being (b) Cockroach (c) Planaria (d) Prawn
Correct Answer:
Prawn
Explanation:
In crustaceans, antennary gland or […]
In birds, some of the vertebrae are fused to form
Options
(a) Synsacrum (b) Symphysis (c) Synkaryon (d) Sympelvis
Correct Answer:
Synsacrum
Explanation:
Synsacrum is a composite bone in birds which consists of […]
Continuous addition of sugars in ‘fed batch’ fermentation is done to
Options
(a) Degrade sewage (b) Produce methane (c) Obtain antibiotics (d) Purify enzymes
Correct Answer:
Purify enzymes
Explanation:
Continuous addition of sugar […]
Common neurotransmitter in PNS is
Options
(a) epinephrine (b) colchicine (c) Acetylcholine (d) both epinephrine and acetylcholine
Correct Answer:
both epinephrine and acetylcholine
Explanation:
Neurotransmitters are low molecular mass substances released in minute […]
Cauliflower mosaic virus contains
Options
(a) ss RNA (b) ds RNA (c) ds DNA (d) ss DNA
Correct Answer:
ds DNA
Explanation:
Cauliflower mosaic virus contain dsDNA. It is circular and shows semidiscontinous […]
When water moves through a semi permeable membrane then which of the following pressure develops?
Options
(a) O.P (b) S.P (c) T.P (d) W.P
Correct Answer:
O.P
Explanation:
No explanation available. Be the […]
The law of limiting factor, in photosynthesis, was given by
Options
(a) Blackman (b) Calvin (c) R. Hill (d) Arnon
Correct Answer:
Blackman
Explanation:
No explanation available. Be the first to write the […]
Enthalpy of CH₄ + ¹/² O₂ → CH₃OH is negative. If enthalpy of combustion of CH₄ and CH₃OH are x and y respectively. Then which relation is correct
Options
(a) x > y (b) […]
When 1 mol of gas is heated at constant volume, temperature is raised from 298 to 308 K. Heat supplied to the gas is 500J. Then which statement is correct
Options
(a) q = […]
Change in enthalpy for reaction, 2H₂O₂ → 2H₂O + O₂ if heat of formation of H₂O₂ and H₂O are -188 and -286 kJ/mol respectively,is
Options
(a) -196 kJ/mol (b) ⁺196kJ/mol (c) ⁺948 kJ/mol (d) […]
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