The nucleus is seperated from surrounding cytoplasm by a nuclear membrane, which is
Options
(a) single layered with pores (b) single layer without pores (c) double layer without pores (d) double layered with […]
Photorespiration takes place only in
Options
(a) green parts of the plant (b) mitochondria of plant cell (c) all living cells of plant (d) root of hydrophytic plant
Correct Answer:
green parts of […]
At what pressure a gas, which occupies 100 mL at a pressure of 720 mm, will occupy a volume of 84 mL
Options
(a) 820.20 mm (b) 736.18 mm (c) 857.14 mm (d) […]
A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure.The volume of this gas at 47⁰C and 640 mm pressure will be
Options
(a) 400 c.c. […]
Respiratory quotient (R.Q.), during early stages of germination of castor seed, is
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(a) zero (b) less than one (c) one (d) more than one
Correct Answer:
less than one
Explanation:
No explanation […]
Oxidation number of Fe in Fe₃O₄ is
Options
(a) 0 (b) ⁺2/5 (c) -1/2 (d) ⁺8/3
Correct Answer:
⁺8/3
Explanation:
No explanation available. Be the first to write the explanation for this question […]
In a population of species, in some plants the style is shorter. But in some others, it is longer than the stamens. This condition is called
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(a) heterostyly (b) homogamy (c) homostyly […]
Populations termed r-strategists
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(a) have J-shaped growth curve (b) are usually pioneer species (c) have type III survivorship curve (d) all of the above
Correct Answer:
all of the above
Explanation:
No […]
Oleic,stearic and palmitic acids are
Options
(a) nucleic acid (b) fatty acid (c) amino acid (d) nitric acid
Correct Answer:
fatty acid
Explanation:
Oleic acid CH₃(CH₂)₇ CH = CH(CH₂)₇COOH.
Stearic acid CH₃(CH₂)₁₆COOH.
Palmitic acid […]
Carborundum is
Options
(a) Al₂(SO₄)₃ (b) AlCl₃ (c) Al₂O₃2H₂O (d) SiC
Correct Answer:
SiC
Explanation:
Silicon carbide (SiC), also known as carborundum is a compound of silicon and carbon with chemical formula SiC. […]
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