General Science Questions

Q:

If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because 

A) The soil of rain forest is deficient in nutrients B) Propagules of the trees in a rain forest have poor viability
C) The rain forest species are slow growing D) Exotic species invade the fertile soil of rain forest
 
Answer & Explanation Answer: A) The soil of rain forest is deficient in nutrients

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Q:

The filament of an electric bulb is made of

A) tungsten B) nichrome
C) graphite D) iron
 
Answer & Explanation Answer: A) tungsten

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Q:

At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us?

1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?

A) 1 and 2 only B) 2 only
C) 1 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: D) 1, 2 and 3

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Q:

Which of the following plants is not capable of manufacturing own food?

A) Algae B) Mushroom
C) Carrot D) Cabbage
 
Answer & Explanation Answer: B) Mushroom

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Q:

What happens when some charge is placed on a soap bubble?

A) Its radius decreases B) Its radius increases
C) The bubble Collapses D) The bubble expands
 
Answer & Explanation Answer: B) Its radius increases

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Q:

The theory which advocates that living beings can arise only from other living beings is termed

A) Bio-genesis B) Abiogenesis
C) Catastrophism D) Cosmozoic
 
Answer & Explanation Answer: A) Bio-genesis

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Q:

The uranium fuel used worldwide is mainly in the form of 

A) U3O8 B) UO2
C) UF6 D) U metal
 
Answer & Explanation Answer: B) UO2

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Q:

Suppose if we measure the time lapse between the two Sunsets by sitting in the beach , from this we can estimate 

A) The distance between the sun and earth B) The depth of the ocean
C) The radius of the earth D) The radius of the sun
 
Answer & Explanation Answer: C) The radius of the earth

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