In mammals Haversian canals are connected with each other by transverse canals, which are called
Options
(a) Semicircular canals (b) Volkman’s canals (c) Inguinal canals (d) Bidder’s canals
Correct Answer:
Volkman’s canals
Explanation: […]
Bamboo and grasses elongate by the activity of
Options
(a) Secondary meristem (b) Lateral meristem (c) Apical meristem (d) Intercalary meristem
Correct Answer:
Intercalary meristem
Explanation:
Intercalary meristem is responsible for increase in […]
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 […]
In bacterial photosynthesis, photosystem involved is/are
Options
(a) Only PS-I (b) Only PS-II (c) Both PS-I and PS-II (d) Either PS-I or PS-II
Correct Answer:
Either PS-I or PS-II
Explanation:
In bacteria only one […]
The pressure and temperature of 4 dm³ of carbon dioxide gas are doubled. Then the volume of carbon dioxide gas would be
Options
(a) 2 dm³ (b) 3 dm³ (c) 4 dm³ (d) […]
2-Acetoxy benzoic acid is used as an
Options
(a) antimalarial (b) antidepressant (c) antiseptic (d) antipyretic
Correct Answer:
antipyretic
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following compounds gives trichloromethane on distilling with bleaching powder
Options
(a) Methanal (b) Phenol (c) Ethanol (d) Methanol
Correct Answer:
Ethanol
Explanation:
Alcohol is first oxidised to acetaldehyde by chlorine. […]
On treating a mixture of two alkyl halides with sodium metal in dry ether, 2-methyl propene was obtained. the alkyl halides are
Options
(a) 2-chloropropane and chloromethane (b) 2-chloropropane and chloroethane (c) chloromethane […]
In acetylene molecule, the two carbon atoms are linked by
Options
(a) one sigma bond and two pi bonds (b) two sigma bonds and one pi bond (c) three sigma bonds (d) three […]
Identify the gas which is readily adsorbed by activated charcoal
Options
(a) N₂ (b) SO₂ (c) H₂ (d) O₂
Correct Answer:
SO₂
Explanation:
In general, more easily liquefiable gases ( i.e. higher critical […]
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