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 General Science Questions

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Q:

Which of the following is Study of fossils ?

A) Ethology B) Etiology
C) Anthropology D) Palaeontology
 
Answer & Explanation Answer: D) Palaeontology

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Q:

Around how much percent of earth's surface is covered with water?

A) 20-25% B) 40-50%
C) 70-80% D) 55-60%
 
Answer & Explanation Answer: C) 70-80%

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Q:

According to the distance of planets from the Sun, which of the following order is correct?

A) Mercury, Venus, Earth, Mars B) Mercury, Earth, Mars, Venus
C) Mercury, Mars, Earth, Venus D) Mercury, Mars, Venus, Earth
 
Answer & Explanation Answer: A) Mercury, Venus, Earth, Mars

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Q:

What is the name of the most ancient spiral galaxy that existed 11 billion years ago?

A) A1689 B01 B) A1689 B10
C) A1689 B20 D) A1689 B11
 
Answer & Explanation Answer: D) A1689 B11

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0 1057
Q:

The study of Cells is also known as

A) Cytology B) Physiology
C) Nucleology D) Cellology
 
Answer & Explanation Answer: A) Cytology

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Q:

What is organic matter in soil is also called

A) residue B) humus
C) occlusion D) compact
 
Answer & Explanation Answer: B) humus

Explanation:

In soil, organic matter consists of plant and animal material that is in the process of decomposing. When it has fully decomposed it is called humus. Soil organic matter serves as a reservoir of nutrients for crops, provides soil aggregation, increases nutrient exchange, retains moisture, reduces compaction,... 

This humus is important for soil structure because it holds individual mineral particles together in clusters.

 

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Q:

‘Altitude sickness’ is caused at high altitude due to

A) high partial pressure of oxygen B) low partial pressure of oxygen
C) low level of haemoglobin D) high partial pressure of carbon dioxide
 
Answer & Explanation Answer: B) low partial pressure of oxygen

Explanation:

Altitude sickness, the mildest form being acute mountain sickness (AMS), is the negative health effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation.

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Q:

_________ is any attribute of the organism (morphological, physiological, behavioural) that enables the organism to survive and reproduce in its habitat.

A) Adaptation B) Migration
C) Conformation D) Regulation
 
Answer & Explanation Answer: A) Adaptation

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