Which of the following is called as Blue planet?
Which of the following is called as Blue planet?
A. Mercury
B. Earth
C. Venus
D. Neptune
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Which rays are trapped in our galaxy by magnetic waves?
Which rays are trapped in our galaxy by magnetic waves?A. Alpha rays
B. Gamma rays
C. Cosmic rays
D. None of theseThe most abundant element in human body is __________?
The most abundant element in human body is __________?A. Hydrogen
B. Blood
C. Oxygen
D. ProteinThe Lunar eclipse occurs when:
The Lunar eclipse occurs when:
A. Moon is b/w the earth and the sun
B. Earth is b/w the sun and the moon
C. Sun is b/w the earth and the moon
D. Earth is at right angles to the direction of the sun and the moonThe amount of energy required by the children of age between one to three years is___________?
The amount of energy required by the children of age between one to three years is___________?
A. 300 k Calories
B. 600 k Calories
C. 900 k Calories
D. 1200 k CaloriesVitamin B2 is also called as__________?
Vitamin B2 is also called as__________?A. Riboflavin
B. Thiamine
C. Ascorbic Acid
D. NiacinRiboflavin (also known as vitamin B2) is one of the B vitamins, which are all water soluble. Riboflavin is naturally present in some foods, added to some food products, and available as a dietary supplement.
Border line which separates outer space from Earth’s atmosphere is known as___________?
Border line which separates outer space from Earth’s atmosphere is known as___________?
A. Durand line
B. Space line
C. Venus line
D. Karman line