TODAY MCQ

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Q.Among the following organisms, which one does not belong to the class of the other three? (2014)

(a) Crab

(b) Mite

(d) Spider

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Q.Why is a plant called Prosopis juliflora often mentioned in the news?

(a) Its extract is widely used in cosmetics.

(b) It tends to reduce the biodiversity in the area in which it grows.

(d) None of the above

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Q.If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth? (2022)

GPS and navigation systems could fail.
Tsunamis could occur at equatorial regions.
Power grids could be damaged.
Intense auroras could occur over much of the Earth.
Forest fires could take place over much of the planet.
Orbits of the satellites could be disturbed.
Shortwave radio communication of the aircraft flying over polar regions could be interrupted.

Select the correct answer using the code given below:

(a) 1, 2, 4 and 5 only

(b) 2, 3, 5, 6 and 7 only

(d) 1, 2, 3, 4, 5, 6 and 7

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Q. Match the following asteroid types with their primary composition characteristics:

List-I (Asteroid Type)	List-II (Composition Characteristic)
A. A-Type Asteroid	1. Carbon-rich composition
B. B-Type Asteroid	2. Silicate and metal composition
C. C-Type Asteroid	3. Olivine-rich composition
D. S-Type Asteroid	4. Stony-iron composition

Select the correct answer:

(a) A-1, B-2, C-3, D-4

(b) A-2, B-3, C-1, D-4

(d) A-3, B-1, C-4, D-2

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Q.With reference to the Earth’s atmosphere, which one of the following statements is correct?

(a) The total amount of insolation received at the equator is roughly about 10 times that received at the poles.

(b) Infrared rays constitute roughly two thirds of insolation.

(d) Infrared waves are a part of the visible spectrum of electromagnetic waves of solar radiation.

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