Which of the following shows linear structure
Options
(a) acetylene (b) CCl₄ (c) ethane (d) ethene
Correct Answer:
acetylene
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Haemoglobin is a complex of
Options
(a) Cu⁺ (b) Cu²⁺ (c) Fe³⁺ (d) Fe²⁺
Correct Answer:
Fe²⁺
Explanation:
Haemoglobin is a complex of Fe²⁺. The prosthetic group of Haemoglobin is heme. Heme contains […]
The potassium ferricyanide produces on ionisation
Options
(a) 3 ions (b) 4 ions (c) 2 ions (d) 1 ions
Correct Answer:
4 ions
Explanation:
The potassium ferricyanide produces on ionisation 4 ions. 3k⁺ and […]
The conductivity of strong electrolyte
Options
(a) does not change with dilution (b) depends upon density of electrolytes itself (c) increases on dilution slightly (d) decreases on dilution
Correct Answer:
increases on dilution […]
Who discovered jumping genes in maize?
Options
(a) Milton Rand (b) Hugo de Vries (c) Keith Porter (d) Barbara mc Clintock
Correct Answer:
Barbara mc Clintock
Explanation:
No explanation available. Be the first […]
Theory of continuity of germplasm was given by
Options
(a) Austin (b) Lamarck (c) Darwin (d) Weismann
Correct Answer:
Weismann
Explanation:
No explanation available. Be the first to write the explanation for this […]
Protein present in silk fibre is
Options
(a) collagen (b) fibroin (c) elastin (d) casein
Correct Answer:
fibroin
Explanation:
Silk protein fibroin (β-keratin protein) is produced by modified salivary glands of silk worms […]
Cell protein synthesis is carried out on
Options
(a) ribosomes (b) lysosomes (c) Golgi body (d) plasma membrane
Correct Answer:
ribosomes
Explanation:
No explanation available. Be the first to write the explanation for […]
The soil erosion can be prevented by
Options
(a) over grazing (b) afforestation (c) deforestation (d) tourism
Correct Answer:
afforestation
Explanation:
No explanation available. Be the first to write the explanation for this […]
An insecticide extracted from the leaves of neem is
Options
(a) aldicarb (b) malathion (c) rotenone (d) azadirachtin
Correct Answer:
azadirachtin
Explanation:
No explanation available. Be the first to write the explanation for […]
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