The most abundant element in the Earth’s crust is __________?

Which of the following is the SI unit of volume?A. Meter cube
B. Cm cube
C. mm cube
D. Km cube

Which of the following is a volcanic plateau?

A. Antrum Plateau
B. Brazilian Plateau
C. Anatolia Plateau
D. Tibetan Palteau

The mean distance of the earth from the sun is astronomical units is____________?

A. 3.7 AU
B. 10 AU
C. 1 AU
D. 101 AU

Note : In astronomy, an average astronomical unit is defined as the average distance from the Sun to the Earth,  or about 150m KM ( 93 million miles ). You can abbreviate astronomical unit as AU. Since the distance in astronomy are so vast, astronomers use this measurement to bring the size of numbers down.
For general reference, we can say that one astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). It’s approximately 8 light-minutes. More exactly, one astronomical unit (AU) = 92,955,807 miles (149,597,871 km).

Chronometer is invented by________?

A. Robert Fulton
B. Nikola Tesla
C. Martin Cooper
D. John Harrison

The chief ingredient of the mosquito repellent cream is derived from?

A. Lemon
B. Neem tree
C. Rice bran
D. Tulsi

The brain of human adult weighs about_________?A. 1200 – 1300 gm
B. 1600 – 2000 gm
C. 500 – 800 gm
D. 100 – 200 gm

The adult human brain weighs about 3 pounds (1,300-1,400 g). The adult human brain is about 2% of the total body weight. The average human brain is 140 mm wide. The average human brain is 167 mm long.