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:

A school always has a

A) Library	B) Headmaster
C) Teacher	D) Building

Answer & Explanation Answer: C) Teacher

Explanation:

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Q:

The number of parliamentary seats (Rajya Sabha) of Karnataka is _____.

A) 12	B) 16
C) 18	D) 31

Answer & Explanation Answer: A) 12

Explanation:

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Q:

What is the SI unit of pressure?

A) Newton	B) Weber
C) Pascal	D) Henry

Answer & Explanation Answer: C) Pascal

Explanation:

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Q:

If an object is placed at the center of curvature of a concave mirror, then the image formed will be

A) virtual and enlarged	B) virtual and diminished
C) real and of the same size	D) real and enlarged

Answer & Explanation Answer: C) real and of the same size

Explanation:

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Q:

Which country will chair the 2019 summit of the Association of Southeast Asian Nations (ASEAN)?

A) Japan	B) Singapore
C) China	D) Thailand

Answer & Explanation Answer: D) Thailand

Explanation:

Thailand will chair the first 2019 summit of the Association of Southeast Asian Nations.

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Q:

In which one of the following States, Patratu Thermal Power Plant is proposed to be set up?

A) Madhya Pradesh	B) Bihar
C) Jharkhand	D) West Bengal

Answer & Explanation Answer: C) Jharkhand

Explanation:

Patratu Thermal Power Station is a coal-based thermal power plant located near Patratu town in Ramgarh district in the Indian state of Jharkhand. The power plant is operated by the Jharkhand State Electricity Board. It has an installed capacity of 840 MW. The generating units of the power plant are very old and are operating at around 10% PLF, generating about 110 MW per day.

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Q:

Under Pradhan Mantri Vaya Vandana Yojana (PMVVY), there will be an assured periodic return over tenure of ______.

A) 5 years	B) 10 years
C) 15 years	D) 20 years

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