General Science - Mock Test 59

Question 581

Goiter is a disease due to lack of which mineral in diet ?

A) Iron B) Potassium C) Zinc D) Iodine

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Question 582

Biomass energy is ?

A) formed through photosynthesis B) caused by heat due to the large mass of the earth C) has been used for only a few years D) is effective in only certain regions of India

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Question 583

Which is the longest?

A) a kilometer B) a centimeter C) a dekameter D) a terameter

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Question 584

Which of the following elements was unknown to ancient civilizations?

A) tin B) aluminum C) mercury D) sulfur

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Question 585

Plants get their nitrogen from ?

A) rain B) the soil C) the air D) the bedrock

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Question 586

The study of poisons is called ?

A) oncology B) toxicology C) phrenology D) ergonomics

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Question 587

Deficiency of iron leads to ?

A) Anorexia B) Anaemia C) Polycythemia D) Leucopenia

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Question 588

Defect of colour blindness can be remedied by the use of ?

A) Concave lens B) Convex lens C) Cylindrical lens D) None of the above

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Question 589

In normal adult human, what is the rate of heartbeat per minute?

A) 72-80 B) 70-75 C) 80-97 D) 82-87

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Question 590

Which of the following planets rotates clock wise?

A) Pluto B) Jupiter C) Venus D) Mercury

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