MCQs

Explanation
The sun rises in the East and sets in the West. which means that the Earth is rotating from West to East.  Earth revolves in orbit around the Sun in 365 days, 6 hours, 9 minutes. with reference to the stars, at a speed ranging from 29.29 to 30.29 km/s. The 6 hours, 9 minutes add up to about an extra day every fourth year, which is designated a leap year, with the extra day added as February 29th.

Explanation
CNES is a space agency in France CNES stands for National Centre for Space Studies. CNES Formed  in 19 December 1961

Explanation
The correct option will be 2 milliamperes ( according to the NTS answer key). ***** In reality, 2 mA typically causes a mild tingling sensation or a slight shock, but it is not enough to cause severe injury or put someone into a coma. For a current to potentially cause a coma, it usually needs to be in the range of 50 to 100 mA.

Explanation
The  moon is a satellite  because it  moves around Earth. Earth and the moon  are called " natural " satellites. ND5-07-2023

Explanation
An invertebrate is an animal without a backbone. Worms, like earthworms, are classified as invertebrates. They lack a backbone and are found in various environments.

Explanation
Chlorophyll  is a compound that is called a   Chelate.   Photosynthesis depends on the  presence of chlorophyll  for the absorption of light. There are about five closely related chlorophylls: chlorophyll a chlorophyll b chlorophyll c chlorophyll d chlorophyll e chlorophyll f

Explanation
Uranus is four times the size of the Earth. Uranus appears greenish in color because of the large amount of methane gas present in its atmosphere. ****

Explanation
Aluminum is the most abundant metal in the  Earth's crust , and the third most abundant element therein, after  oxygen  and silicon. ***

Explanation
There are   5  planets visible without a telescope, Mercury, Venus, Mars, Jupiter and Saturn.

Explanation
Earth and Moon Blue Planet  for  Earth The planet which has the  highest density  is?  Earth Number of  moons  on  Earth: 1 Which planet is known as a  watery planet ?  Earth 75% of Earth’s surface is  covered  by water **** ND5-5-2023