Night blindness is caused by the deficiency of
Night blindness is caused by the deficiency of
Options
(a) vitamin C (b) vitamin A (c) vitamin B₁₂ (d) vitamin E
Correct Answer:
vitamin A
Explanation:
No explanation available. Be the first to […]
Night blindness is caused by the deficiency of
Options
(a) vitamin C (b) vitamin A (c) vitamin B₁₂ (d) vitamin E
Correct Answer:
vitamin A
Explanation:
No explanation available. Be the first to […]
Lyophilic colloids are stable due to
Options
(a) small size of the particle (b) large size of particle (c) charge on the particle (d) layer of dispersion medium on the particles
Correct Answer: […]
The correct order of acidic strength is
Options
(a) HBr < HCl < HI < HF (b) HCl < HBr < HF < HI (c) HF < HCl < HBr < HI (d) […]
Both ethan and methane can be obtained in one step reaction from
Options
(a) CH₃OH (b) C₂H₅OH (c) CH₃Br (d) C₂H₄
Correct Answer:
CH₃Br
Explanation:
No explanation available. Be the first to write […]
The pH value of 10⁻⁸ M HCl is
Options
(a) more than 7 (b) less than 7 (c) equal to 7 (d) more than or equal to 7
Correct Answer:
less than 7
Quarantine regulation are concerned with
Options
(a) spraying of diseased plants with insecticide (b) prevention of entry of diseased plants in country (c) growing or entry of diseased plants in country (d) promotion […]
Who discovered the cell (actually the cell wall) in section of cork?
Options
(a) Schwann (b) Schleidan (c) Robert Hooke (d) Leeuwenhoek
Correct Answer:
Robert Hooke
Explanation:
No explanation available. Be the first […]
The contraction of the heart of frog commences from
Options
(a) sinus venosus (b) right auricle (c) left auricle (d) interauricular septum
Correct Answer:
sinus venosus
Explanation:
No explanation available. Be the first […]
Symbiotic nitrogen fixation in root nodules of some leguminous plants is caused by
Options
(a) Rhizobium (b) Azotobacter (c) Nitrobacter (d) Nitrosomonas
Correct Answer:
Rhizobium
Explanation:
No explanation available. Be the first to […]
Aspirin is obtained by the reaction of salicylic acid with
Options
(a) acetic acid (b) acetaldehyde (c) acetone (d) acetic anhydride
Correct Answer:
acetic anhydride
Explanation:
The aspirin is obtained by the reaction of […]
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