Q:

Function of Leghaemoglobin in nitrogen fixation _____

A) Absorption of oxygen	B) Nutrion of bacteria
C) Absorption of light	D) All

Answer & Explanation Answer: A) Absorption of oxygen

Explanation:

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Filed Under: Biology

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Q:

Which one of the following is a basic feature of the Presidential Government

A) Rigid Constitution	B) Single Executive
C) Supremacy of the Legislature	D) Residual Powers of the state

Answer & Explanation Answer: B) Single Executive

Explanation:

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Filed Under: Indian Politics

8 7691

Q:

Which of the following animals was not native to India?

A) Rhinoceros	B) Tiger
C) Horse	D) Elephant

Answer & Explanation Answer: C) Horse

Explanation:

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Filed Under: Indian Geography
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11 7689

Q:

The first Indian to receive Nobel Prize in Literature was

A) Mother Teresa	B) Rabindranath Tagore
C) Sarojini Naidu	D) C.V.Raman

Answer & Explanation Answer: D) C.V.Raman

Explanation:

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Filed Under: Honours and Awards

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Q:

DRDO full form is

A) Delhi Research and Development Organisation	B) Defence Research and Deployment
C) Delhi Rail Development Organisation	D) Defence Research and Development Organisation

Answer & Explanation Answer: D) Defence Research and Development Organisation

Explanation:

DRDO stands for The Defence Research and Development Organisation.

The Defence Research and Development Organisation (DRDO) is an agency of the Republic of India, charged with the military's research and development, headquartered in New Delhi, India.

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Filed Under: General Awareness
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Q:

Telegrahic code was introduced by

A) Lipman	B) Macmillan
C) Thomas Moore	D) Cockrell

Answer & Explanation Answer: C) Thomas Moore

Explanation:

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Filed Under: General Awareness

20 7682

Q:

The reactivity of an atom arises from

A) the existence of unpaired electrons in the valence shell	B) the energy differences between the electron shells
C) the sum of the potential energies of all the electron shells	D) the average distance of the outermost electron shell from the nucleus

Answer & Explanation Answer: A) the existence of unpaired electrons in the valence shell

Explanation:

When atoms react they do so in order to reach the lowest energy, which is the most stable. The electrons orbitals will overlap in the way that reduces the energy the most. Orbitals of similar energy will produce the greatest stabilisation.The answer you gave isn't the whole story, it depends what species is reacting with what. The effective nuclear charge on the atom will affect the energy of the valance electrons.

Hence, the reactivity of an atom arises from the existence of unpaired electrons in the valence shell.

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Filed Under: Chemistry
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Q:

Mohammed Azharuddin, former Indian Cricket Team Captain, represents ...........Constituency of Uttar Pradesh in the Lok Sabha,

A) Mirzapur	B) Moradabad
C) Meerut	D) Mathura

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