Which of the following compounds is known as white vitriol
Options
(a) ZnSO₄.7H₂O (b) CaCO₄.2H₂O (c) Na₂SO₄.7H₂O (d) MgSO₄.7H₂O
Correct Answer:
ZnSO₄.7H₂O
Explanation:
No explanation available. Be the first to write the explanation […]
The maximum energy is possessed by an electrons,when it is present
Options
(a) in first excited state (b) in nucleus (c) at infinite distance from the nucleus (d) in ground energy state
Correct […]
Carbon dioxide is necessary for photosynthesis. The chemical used to remove this gas most effectively from entering a control apparatus is
Options
(a) calcium oxide (b) distilled water (c) potassium hydroxide solution (d) […]
In gymnosperm, the endosperm is formed by
Options
(a) fusion of two polar nuclei (b) fertilized egg (c) fusion of one polar nuceus (d) germination of one megaspore
Correct Answer:
germination of one […]
A patient suffering from cholera is given saline drip because
Options
(a) Cl⁻ ions are important component of blood plasma (b) Na⁺ ions help to retain water in the body (c) Na⁺ ions […]
If a neutral atoms is converted into a cation, then its
Options
(a) atomic weight increases (b) size increases (c) atomic weight decreases (d) size decreases
Correct Answer:
size decreases
Explanation:
After the […]
Function of contractile vacuole in protozoa is
Options
(a) osmoregulation (b) locomotion (c) respiration (d) digestion of food
Correct Answer:
osmoregulation
Explanation:
No explanation available. Be the first to write the explanation for […]
How many cytochromes are involved in the electron transport chain?
Options
(a) five (b) two (c) six (d) four
Correct Answer:
five
Explanation:
No explanation available. Be the first to write the explanation […]
Which of the following represents the flow of genetic information
Options
(a) DNA ⇒ RNA ⇒ protein (b) RNA ⇒ DNA ⇒ protein (c) RNA ⇒ protein ⇒ DNA (d) protein ⇒ RNA […]
Chordae tendineae are found in
Options
(a) ventricles of brain (b) joints of legs (c) ventricles of heart (d) atria of heart
Correct Answer:
ventricles of heart
Explanation:
No explanation available. Be the […]
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