Which gas was discovered on the sun about 151 years ago during total solar eclipse?

Related Mcqs:

1. During a total solar eclipse the rate of Photosynthesis___________?

   A. Increase
   B. Decrease
   C. Remain Constant
   D. None of them

   Submitted by: WIQAR AHMAD

2. During a total solar eclipse there is most likely to be_____________?

   A. A decrease in the rate of photosynthesis
   B. An increase in the rate of photosynthesis
   C. A decrease in the rate of respiration
   D. No effect on either photosynthesis or respiration

   Submitted by: Ashfaque Ali Khoso

3. In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered?

   A. Partial Solar Eclipse
   B. Total Solar Eclipse
   C. Annular Solar Eclipse
   D. None of the above

   Submitted by: Ozeak Malik

4. Which of the following explains the reason why there is no total eclipse of the sun?

   A. Size of the earth in relation to that of moon
   B. Orbit of moon around earth
   C. Direction of rotation of earth around sun
   D. Area of the sun covered by the moon
   E. None of these

5. A solar eclipse occurs when _________?

   A. Venus between Earth and sun
   B. Moon is between Earth and sun
   C. Sun is between Earth and moon
   D. Moon is between Earth and Neptune

   Submitted by: Saqlain hydar

6. The sun has a __________ year solar cycle during which its activity increases and decreases.

   A. 10
   B. 11
   C. 12
   D. 13

   Submitted by: Muhammad Abdullah

7. Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer.

   A. January – July
   B. June – December
   C. July – January
   D. December – June

   Submitted by: Mansoor Ul Haque

8. The solar wind creates a “bubble” around the solar system called?

   A. Feliosphere
   B. Seliosphere
   C. Heliosphere
   D. Peliosphere

   Submitted by: Muhammad Abdullah

9. __________ is the point in solar system at which pressure from the solar wind is equal to the opposing pressure of the interstellar medium.

   A. Seliopause
   B. Meliopause
   C. Heliopause
   D. Beliopause

   Submitted by: Muhammad Abdullah

10. As comets get close to the sun, they start to “melt” and release gas and dust. This gas and dust forms what?

    A. “coma” around the comet’s nucleus and a long tail that points away from the sun
    B. “coma” that points away from the sun and a long tail around the comet’s nucleus
    C. Only “coma” around the comet’s nucleus
    D. Only a long tail that points away from the sun

    Submitted by: Muhammad Abdullah