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 General Science Questions

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Q:

Which of the following is a Saprotroph?

A) Mushroom B) Man
C) Pigeon D) Algae
 
Answer & Explanation Answer: A) Mushroom

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Q:

Which of the following trees shed their leaves once in a year?

A) Deciduous trees B) Coniferous trees
C) Evergreen trees D) Both deciduous and coniferous trees
 
Answer & Explanation Answer: A) Deciduous trees

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Q:

In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _____________.

A) Xylem fibres B) Xylem parenchyma
C) Exarch D) Endarch
 
Answer & Explanation Answer: D) Endarch

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Q:

What does BOD5 refer to?

A) Biochemical Oxygen Demand in 5 days B) Biochemical Oxygen Demand in 5 hours
C) Biochemical Oxygen Demand in 5 minutes D) Biochemical Oxygen Demand in 5 Months
 
Answer & Explanation Answer: A) Biochemical Oxygen Demand in 5 days

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Q:

Why does a black board appears black in colour?

A) It reflects black colour B) It absorbs black colour
C) It reflects all colours D) It absorbs all the colours
 
Answer & Explanation Answer: D) It absorbs all the colours

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Q:

The ozone layer is mainly found in the lower portion of the _______.

A) stratosphere B) troposphere
C) mesosphere D) thermosphere
 
Answer & Explanation Answer: A) stratosphere

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Q:

Mangifera indica is the scientific name of

A) Guava B) Mango
C) Amla D) Jack fruit
 
Answer & Explanation Answer: B) Mango

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Q:

The least preferred technique in the disposal of Municipal Solid Waste is

A) Incineration B) Composting
C) Land filling D) Bricketting
 
Answer & Explanation Answer: D) Bricketting

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