Questions

Q:

During what stage of photosynthesis is O2 produced?

A) Photosystem 1 B) Photosystem 2
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Photosynthesis is the process that converts solar energy into chemical energy. During the stage of light-dependent reactions involving photosystems I and II in photosynthesis, O2 produced.

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Q:

Activation of the receptors by stimuli is called

A) Perception B) Habituation
C) Adaptation D) Sensation
 
Answer & Explanation Answer: D) Sensation

Explanation:
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Q:

Which city is the venue of the Women's World Boxing Championships 2018?

A) Pune B) New Delhi
C) Patna D) Hyderabad
 
Answer & Explanation Answer: B) New Delhi

Explanation:

New Delhi is the venue of the Women's World Boxing Championships 2018 started from Nov 15 to Nov 24.

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Q:

Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth _______.

A) remains same B) becomes half
C) becomes twice D) becomes one­-fourth
 
Answer & Explanation Answer: D) becomes one­-fourth

Explanation:
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Q:

What smallest number should be added to 2401 so that the sum is completely divisible by 14 ?

A) 8 B) 7
C) 4 D) 5
 
Answer & Explanation Answer: B) 7

Explanation:
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Q:

In a bipolar junction transistor

A) all the three regions (the emitter, the base and the collector) have equal concentrations of impurity B) the emitter has the least concentration of impurity
C) the collector has the least concentration of impurity D) the base has the least concentration of impurity
 
Answer & Explanation Answer: D) the base has the least concentration of impurity

Explanation:

In terms of concentration of impurity (a.k.a impurity doping concentration, often abbreviated to doping concentration), from the highest to the lowest among the three regions of a bipolar junction, emitter, collector, and base are the correct order. The above order is independent of the type of BJT, npn or pnp

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Q:

India & which country recently launched initiative to combat Marine Pollution?

A) Sweden B) Japan
C) Australia D) Norway
 
Answer & Explanation Answer: D) Norway

Explanation:
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Q:

India successfully launched Chandrayaan1 satellite in

A) 2008 B) 2006
C) 2010 D) 2013
 
Answer & Explanation Answer: A) 2008

Explanation:

India successfully launched Chandrayaan1 satellite from SDSC Sriharikota, Andhra Pradesh on 22 October, 2008.

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