Q:

What is the function of guard cells of stomata?

A) Opening of stomata only	B) Closing of stomata only
C) Both opening and closing of stomata	D) Neither opening nor closing of stomata

Answer & Explanation Answer: C) Both opening and closing of stomata

Explanation:

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Filed Under: Biology
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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero.	B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1.	D) Hydrogen can have more than one oxidation number.

Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Filed Under: Chemistry
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

My husband has listed me as the _______________ of his life insurance policy.

A) successor	B) beneficiary
C) heir	D) inheritor

Answer & Explanation Answer: B) beneficiary

Explanation:

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Filed Under: English
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Q:

Sexratio in India is measured as

A) Number of males per thousand females	B) Number of females per thousand males
C) Number of males per hundred females	D) Number of females per hundred males

Answer & Explanation Answer: B) Number of females per thousand males

Explanation:

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Filed Under: General Awareness
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Q:

Which State in India has introduced FAT Tax on junk food

A) Rajasthan	B) Kerala
C) Andhra Pradesh	D) Bihar

Answer & Explanation Answer: B) Kerala

Explanation:

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Q:

Which company developed 'Swift' Programming Language?

A) Google	B) Microsoft
C) Facebook	D) Apple

Answer & Explanation Answer: D) Apple

Explanation:

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Filed Under: Computer
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Q:

Which of the following processes is responsible for causing rain?

A) Filtration	B) Evaporation and Condensation
C) Evaporation	D) Condensation

Answer & Explanation Answer: B) Evaporation and Condensation

Explanation:

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Filed Under: General Science
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Q:

Addition of suitable impurities into semiconductor, is called

A) Doping	B) Mixing
C) Forming	D) Diluting

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