6. Consider the following diseases :
1 . Diphtheria

2. Chickenpox
3. Smallpox

 

Which of the above diseases has/have been eradicated in India?





Answer & Solution

Answer:

3 only

7. 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?





Answer & Solution

Answer:

1 and 2 only

8. Consider the following : 
1. Bats

2. Bears

3. Rodents
 

The phenomenon of hibernation can be observed in which of the above kinds of animals?





Answer & Solution

Answer:

1, 2 and 3

9. With reference to technologies for solar power production, consider the following statements : 
1. ‘Photovoltaics’ is a technology that generates electricity by direct conversion of light into electricity, while ‘Solar Thermal’ is a technology that utilizes the Sun’s rays to generate heat which is further used in electricity generation process.
2. Photovoltaics generates Alternating Current (AC), while Solar Thermal generates Direct Current (DC).
3. India has manufacturing base for Solar Thermal technology, but not for Photovoltaics.


Which of the statements given above is/are correct?





Answer & Solution

Answer:

1 only

10. 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 the Mercury
3. Voyager 1 and 2 : Exploring the outer solar system


Select the correct answer using the code given below.





Answer & Solution

Answer:

2 and 3 only