Q:

What is organic matter in soil is also called

A) residue	B) humus
C) occlusion	D) compact

Answer & Explanation Answer: B) humus

Explanation:

In soil, organic matter consists of plant and animal material that is in the process of decomposing. When it has fully decomposed it is called humus. Soil organic matter serves as a reservoir of nutrients for crops, provides soil aggregation, increases nutrient exchange, retains moisture, reduces compaction,...

This humus is important for soil structure because it holds individual mineral particles together in clusters.

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Q:

How many states of India have sea-shore?

A) 7	B) 8
C) 9	D) 6

Answer & Explanation Answer: C) 9

Explanation:

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Filed Under: Indian Geography
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Q:

Ringworm is a disease caused by

A) Fungi	B) Bacteria
C) Virus	D) Flies

Answer & Explanation Answer: A) Fungi

Explanation:

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Filed Under: Biology
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Q:

Highest percentage of carbon is found in which form of coal?

A) Anthracite	B) Bituminous
C) Peat	D) lignite

Answer & Explanation Answer: A) Anthracite

Explanation:

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Filed Under: Chemistry
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Q:

What is the pH of water?

A) 7	B) 5
C) 3	D) 1

Answer & Explanation Answer: A) 7

Explanation:

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Filed Under: Chemistry
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Q:

Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called?

A) Zoospores	B) Anisogamous
C) Isogamous	D) Oogamous

Answer & Explanation Answer: B) Anisogamous

Explanation:

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Q:

X leaves his house facing west, drives 100 km, then turns right and drives 100 km. He then turns left and drives 50 km. In which direction is X facing in relation to his starting point?

A) North east	B) South west
C) South east	D) North west

Answer & Explanation Answer: D) North west

Explanation:

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Filed Under: Biology
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Q:

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: Honesty is an important principle that must govern our lives.
Q: Honesty is reflected in our words and deeds.
R: When we speak the truth we state the facts as they are.
S: We may find it convenient to avoid telling the truth, but if we are honest we should say the truth whatever may be the repercussions.

A) SRQP	B) SPQR
C) QRPS	D) PQRS

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