Q:

The vast amount of sea weeds present in oceans may produce an endless source of

A) Methane	B) Ocean thermal energy
C) Sea wave energy	D) Nuclear energy

Answer & Explanation Answer: A) Methane

Explanation:

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Filed Under: Chemistry
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Q:

Which of the following Harappan sites was not located in Gujarat?

A) Lothal	B) Daimabad
C) Surkotda	D) Dholavira

Answer & Explanation Answer: B) Daimabad

Explanation:

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Filed Under: Indian History
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Q:

The human heart is

A) Neurogenic heart	B) Myogenic heart
C) Pulsating heart	D) Ampullary heart

Answer & Explanation Answer: B) Myogenic heart

Explanation:

Hearts are of several types. In some invertebrates the heart is simulated by the nervous system to do its work. Such hearts are called Neurogenic hearts. The Human heart is myogenic. i.e, it recieves the stimuli for contraction from the muscular node called sinu-auricular node or pace maker.

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Filed Under: Biology

812 41807

Q:

The relative humidity of a region is low when :

A) The wet and dry bulb thermometers read the same	B) The difference between the readings of the wet and dry bulb thermometers is large
C) The temperature are high	D) The temperatures are low

Answer & Explanation Answer: B) The difference between the readings of the wet and dry bulb thermometers is large

Explanation:

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Filed Under: World Geography

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Q:

Which of the following is NOT a feature found in almost every cell ?

A) Cell wall	B) Plasma membrane
C) Nucleus	D) Cytoplasm

Answer & Explanation Answer: A) Cell wall

Explanation:

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Filed Under: Biology
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Q:

The bird which lays more than 100 eggs in one nest is

Answer

Ostrich

Workspace

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Subject: Animals and Birds

725 41783

Q:

What is the position of metallic ion and non-metallic ion in a chemical formula?

A) Metal ion at second position	B) Non-metal ion at first position
C) Metal ion at first and non-metal ion at second position	D) No option is correct

Answer & Explanation Answer: C) Metal ion at first and non-metal ion at second position

Explanation:

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Q:

What is formed when helium atom loses one electron?

A) Proton	B) Positive helium ion
C) Negative helium ion	D) Alpha particle

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