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Wednesday, August 28, 2019

Science &Tech-Prelims booster quiz answer day-06

1.With reference to Agni-IV Missile, which of the following statements is/are correct ?
1. It is surface-to surface missile. 
2. It is fuelled by liquid propellant only. 
3. It can deliver one-tonne nuclear warheads about 7500km away. 
Select the correct answer using the code given below. 
(a) 1 only 
(b) 2 and 3 only 
(c) 1 and 3 only 
(d) 1, 2 and 
Ans-A
Agni series
Agni series 

2.Consider the following pairs : 
Vitamin Deficiency disease 
1. Vitamin C : Scurvy 
2. Vitamin D : Rickets 
3. Vitamin E : Night blindness
Which of the pairs given above is/are correctly matched ?
 (a) 1 and 2 only 
 (b) 3 only
 (c) 1, 2 and 3
 (d) None
Ans-A
Vitamin Deficiency disease
Vitamin Deficiency disease 


3.Which one of the following is the process involved in photosynthesis?
 (a) Potential energy is released to form free energy. 
 (b) Free energy is converted into potential energy and stored.
 (c) Food is oxidized to release carbon dioxide and water.
 (d) Oxygen is taken, and carbon dioxide and water vapour are given out.
Ans-B

4.In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person? 
1. Iris scanning 
2. Retinal scanning 
3. Voice recognition 
Select the correct answer using the code given below. 
(a) 1 only 
(b) 2 and 3 only 
(c) 1 and 3 only 
(d) 1, 2 and 3
Ans-D

5.Which of the following pairs is/are correctly matched ?
 Spacecraft                 Purpose 
1. Cassini-Huygens : Orbiting the Venus and transmitting data to the Earth 
2. Messenger : Mapping and investigating 
3. Voyager 1 and 2 : Exploring the outer solar system 
Select the correct answer using the code given below. 
(a) 1 only 
(b) 2 and 3 only 
(c) 1 and 3 only 
(d) 1, 2 and 3
Ans-B
The Cassini spacecraft orbited around Saturn, sending back valuable data to Earth.

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