Questions

Q:

Which of the following bacterium causes crown gall disease in plants?

A) Bacillus thurigiensis B) Agrobacterium tumefaciens
C) Pseudomonas fluorescens D) None of these
 
Answer & Explanation Answer: B) Agrobacterium tumefaciens

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Q:

Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.

A) 12500 B) 20
C) 40 D) 6250
 
Answer & Explanation Answer: B) 20

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Q:

Which glass is used to make spectacles?

A) Crook's glass B) Potash glass
C) Jena glass D) Soda glass
 
Answer & Explanation Answer: A) Crook's glass

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Q:

The Inter State Council was set up in 1990 on the recommendation of

A) Punchhi Commission B) Sarkaria Commission
C) Rajamannar Commission D) Mungerilal Commission
 
Answer & Explanation Answer: B) Sarkaria Commission

Explanation:

The Inter-State Council was set up in 1990 following the recommendations of the Sarkaria Commission.The constitutional roots of the council are to be found in Article 263, which recommends that the President of India set up such a council to deal with federal issues.

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Q:

Which of the following is NOT a terrestrial planet?

A) Mercury B) Venus
C) Mars D) Saturn
 
Answer & Explanation Answer: D) Saturn

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Filed Under: General Science
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Q:

The centre of a cyclone is a calm area, it is called the ________ of the storm.

A) point B) needle
C) eye D) limit
 
Answer & Explanation Answer: C) eye

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Q:

Propagation of sound can be visualised as propagation of ____________ variations in the medium

A) elasticity B) viscosity
C) density D) porosity
 
Answer & Explanation Answer: C) density

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Q:

___________________states that the induced e.m.f. is directly proportional to the rate of change of magnetic flux linkage or rate of cutting of magnetic flux
linkage.

A) Lenz's Law B) Hooke's Law
C) Ohm's Law D) Faraday's Law
 
Answer & Explanation Answer: D) Faraday's Law

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