The autonomic nervous system has control over
Options
(a) Reflex action (b) Skeletal muscles (c) Sense organs (d) Internal organs
Correct Answer:
Internal organs
Explanation:
Autonomic nervous system regulates and coordinates involuntary activities […]
Emerson effect is associated with
Options
(a) respiration (b) transpiration (c) salt absorption (d) photosynthesis
Correct Answer:
photosynthesis
Explanation:
Emerson (1943) discovered the existence of two photosystems (PSI and PSII). Emerson conducted experiments where […]
Two bubbles A and B (A>B) are joined through a narrow tube. Then
Options
(a) The size of A will increase (b) The size of B will increase (c) The size of B will […]
The normality of 10 volume hydrogen peroxide is
Options
(a) 0.176 (b) 3.52 (c) 1.78 (d) 0.88
Correct Answer:
1.78
Explanation:
No explanation available. Be the first to write the explanation for this […]
Water softening by Clark’s process uses
Options
(a) calcium bicarbonate (b) sodium bicarbonate (c) potash alum (d) calcium hydroxide
Correct Answer:
calcium hydroxide
Explanation:
No explanation available. Be the first to write the […]
Benzaldehyde condenses with N,N-dimethylaniline in presence of anhydrous ZnCl₂ to give
Options
(a) Michler’s ketone (b) azo dye (c) malachite green (d) butter yellow
Correct Answer:
malachite green
Explanation:
No explanation available. Be […]
Inorganic graphite is
Options
(a) B₃N₃H₆ (b) B₃N₃ (c) SiC (d) Fe(CO)₅
Correct Answer:
B₃N₃
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Which of the following materials is used in high temperature thermometers
Options
(a) Crystalline sodium chloride (b) Molten aluminium (c) Sodium amalgam (d) Alloy of sodium and potassium
Correct Answer:
Alloy of sodium […]
Which of the following is the monoliquid propellant
Options
(a) H₂O₂ (b) CH₃ONO₂ (c) CH₃NO₂ (d) all the three
Correct Answer:
all the three
Explanation:
No explanation available. Be the first to write […]
Alkyl halides with metallic sodium in dry ether producing
Options
(a) alkanes with same number of carbon atoms (b) alkanes with double the number of carbon atoms (c) alkenes with triple the number […]
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