General Science Quiz-10
Following MCQs were asked in NDA Examination (2021)
Q1. Girth of stem of a plant increases due to division of cells in
(a) apical meristem only
(b) lateral meristem only
(c) apical and intercalary meristem
(d) both apical and lateral meristem
Q2. Which one of the following viruses used to be responsible for highly infectious disease smallpox?
(a) Adenovirus
(b) Variola virus
(c) Aichi virus
(d) Coxsackie virus
Q3. Buoyancy is a/an
(a) upward pressure
(b) downward pressure
(c) downward force
(d) upward force
Q4. What is the maximum number of electrons in the M-Shell?
(a) 6
(b) 8
(c) 18
(d) 32
Q5. Three equal resistors are connected in parallel configuration in a closed electrical circuit. Then the total resistance in the circuit becomes
(a) one-third of the individual resistance
(b) two-third of the individual resistance
(c) equal to the individual resistance
(d) three times of the individual resistance
Q6. To protect steel and iron from rusting, a thin layer of which one of the following metals is applied?
(a) Magnesium
(b) Zinc
(c) Aluminium
(d) Lead
Q7. The device used to produce electric current is known as
(a) motor
(b) generator
(c) ammeter
(d) galvanometer
Q8. Tyndall effect is a phenomenon of
(a) scattering of light by the colloidal particles
(b) refraction of light by the colloidal particles
(c) dispersion of light by dust particles
(d) refraction of light by dust particles
Q9. Twinkling of stars is primarily due to the atmospheric
(a) refraction
(b) reflection
(c) polarisation
(d) dispersion
Q10. Cinnabar is an ore of which one of the following?
(a) Copper
(b) Zinc
(c) Mercury
(d) Manganese
Answers:
1. (b) lateral meristem only
2. (b) Variola virus
3. (d) upward force
4. (c) 18
5. (a) one-third of the individual resistance
6. (b) Zinc
7. (b) generator
8. (a) scattering of light by the colloidal particles
9. (a) refraction
10. (c) Mercury
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