Question

1. In which technology do Cryogenic engines find applications?


2. Shovna Narayan is a reputed personality in which field?


3. During which Plan did prices show a decline?
.

4. Which instrument used for finding out wind-direction?


5. Which ports handled the north Indian trade during the Gupta period?
.

6. Which vitamin is considered to be a hormone?


7. On the basis of financial crisis howmany times has emergency been declared by the President of India?
.

8. Which is the element found on the surface of the moon?


9. Why is ‘Beaufort Scale’ used ?


10. Which Tomar ruler is credited to have established Delhi?

Answer 1

1. Rocket technology.
2. Classical dance.
3. 1st plan.
4.A wind vane is used as part of the anemometer to determine the wind's direction. As the wind flows over the windmill, the speed and direction of the wind can be measured with this instrument. Some scientific anemometers use the speed of sound to measure the wind speed more precisely in three dimensions.
5. Tanralipti.
6. Vitamin D is actually a hormone rather than a vitamin. The body makes most of the vitamin D it needs; only about 10% comes from our food. The action of sunlight on our skin produces a substance called cholecalciferol, which is converted by the liver to calcidiol.
7. Thrice.
8. Elements known to be present on the lunar surface include, among others, oxygen (O), silicon (Si), iron (Fe), magnesium (Mg), calcium (Ca), aluminium (Al), manganese (Mn) and titanium (Ti). Among the more abundant are oxygen, iron and silicon.
9. The Beaufort scale is a scale for measuring wind speeds. It is based on observation rather than accurate measurement. It is the most widely used system to measure wind speed today. The scale was developed in 1805 by Sir Francis Beaufort.

10. Anangpal Tomar was the first ruler to make ancient Delhi his capital.

Answer 2

1. Rocket technology

2. Classical dance

3. First

4. wind vane

5. Broach

6. D

7. Not even once

8. Titanium

9. To measure wind velocity

10. Anangpal