Q. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?

Answer

Correct Answer : Central core

Q. Which of the following layers of the Earth’s atmosphere provide ideal flying conditions for Jet aircraft?

Answer

Correct Answer : Stratosphere

Q. Which of the following lies on the Nile Rivers?

Answer

Correct Answer : Khartoum

Q. Which of the following line represents the line which connects the places of equal rain?

Answer

Correct Answer : Isohyets

Q. Which of the following manmade calamities is social calamity?

Answer

Correct Answer : Home Cremation

Q. Which of the following measures are effective for soil conservation in India? I. Avoiding crop rotation II. Afforestation III. Encouraging the use of chemical fertilizers IV. Limiting shifting cultivation

Answer

Correct Answer : II and IV

Q. Which of the following method does not help in conservation of the fertility and moisture of soil?

Answer

Correct Answer : Shifting cultivation

Q. Which of the following minerals and their ores are correctly matched? 1. Zinc-calamine 2. Platinum-iridium 3. Tin-cassiterite 4. Copper-carnolite

Answer

Correct Answer : 1 and 3

Q. Which of the following minerals are found in a natural way in the State of Chhattisgarh ? 1. Bauxite 2. Dolomite 3. Iron ore 4. Tin

Answer

Correct Answer : 1, 2, 3 and 4

Q. Which of the following minerals is needed for generation of nuclear power?

Answer

Correct Answer : Uranium