Questions

Q:

The main result of aerobic respiration is the

A) production of lactic acid as an end product B) production of ATP from the breakdown of glucose
C) conversion of radiant energy into chemical energy D) storage of energy in a polysaccharide
 
Answer & Explanation Answer: B) production of ATP from the breakdown of glucose

Explanation:

The three steps within the aerobic respiration process are glycolysis, the citric acid cycle, and oxidative phosphorylation.

Photosynthesis builds glucose, and what was built in photosynthesis is broken down during aerobic respiration.

 

Hence, production of ATP from the breakdown of glucose is the main result of aerobic respiration.

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Q:

The most abundent metal in the Earth's crust is 

A) Calcium B) Aluminium
C) Iron D) Magnesium
 
Answer & Explanation Answer: B) Aluminium

Explanation:
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Filed Under: World Geography

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Q:

A landform developed by the process of deposition occurring towards the centre of intermontane basins in arid or semi-arid regions is known as _________

A) Pediment B) Bajada
C) Playa D) Peneplain
 
Answer & Explanation Answer: C) Playa

Explanation:
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Q:

IQTA system abolished by

A) Illtumish B) Bin Tughluq
C) Alauddin Khalji D) None of the above
 
Answer & Explanation Answer: C) Alauddin Khalji

Explanation:
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Q:

Oxidation number of S8?

A) +1 B) -2
C) +2 D) 0
 
Answer & Explanation Answer: D) 0

Explanation:

S8 is an elemental form of sufur. In elemental form it can't be reduced or oxidized. Hence, it oxidation number is zero and thus sulfur is zerovalent here.

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Q:

When was the  Battle of Marathon occurred ?

A) 490 B.C B) 493 B.C
C) 469 B.C D) 429 B.C
 
Answer & Explanation Answer: A) 490 B.C

Explanation:

A battle was fought between Iran under the king Darius and the state of Greece in 490 B.C at Marathon near Athens. This battle is known as the 'Battle of Marathon' in World History.

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Filed Under: World History

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Q:

Which among the following forms of precipitation is different from the rest?

A) dew B) fog
C) mist D) hail
 
Answer & Explanation Answer: D) hail

Explanation:

While dew , fog and mist are formed due to condensation of vapour into water drops, hail falls from the clouds in the form of hard pellets of ice.

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Q:

The mass defect is the result of what action occurring?

A) mass being converted to energy when protons and neutrons bind together in a nucleus B) protons and electrons being attracted to each other
C) energy being converted into moles of atoms when neutrons break apart protons D) mass being converted to energy when protons and neutrons break apart in a nucleus
 
Answer & Explanation Answer: A) mass being converted to energy when protons and neutrons bind together in a nucleus

Explanation:
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