Questions

Q:

The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by

A) Galileo B) Martin Luther
C) Johannes Kepler D) Copernicus
 
Answer & Explanation Answer: C) Johannes Kepler

Explanation:

Kepler’s  laws  of  planetary  motion state  that  (a)  All  planets  move  in elliptical orbits with the Sun at one of  the  focal  points  (b)  The  radius vector  drawn  from  the  sun  to  a planet  sweeps  out  equal  areas  in equal  time  intervals.  This  follows from  the  fact  that  the  force  of gravitation on the planet is central and  hence  angular  momentum  is conserved.  (c)  The  square  of  the orbital   period   of   a   planet   is proportional  to  the  cube  of  the semi  major  axis  of  the  elliptical orbit of the plane.

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Q:

Which of the following statements about water is false?

A) There is extensive intramolecular hydrogen bonding in the condensed phase. B) Water is oxidized to oxygen during photosynthesis.
C) Ice formed by heavy water sinks in normal water. D) Water can act both as an acid and as a base.
 
Answer & Explanation Answer: A) There is extensive intramolecular hydrogen bonding in the condensed phase.

Explanation:

Water possess intermolecular hydrogen bonding in the condensed phase.

 

Hence, the given statement 'There is extensive intramolecular hydrogen bonding in the condensed phase.' about water is FALSE.

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Q:

A passage is given with 5 questions following it. Read the passage carefully and choose the best answer to each question out of the four alternatives.


I had seen this road many years ago when my parents moved to Mundakotukurussi, our ancestral village. However, in those early years, I hadn't begun exploring the countryside. I stored the unknown road in my head under 'One Day I Will'. Ten years ago, when I recovered from a herniated disc, it was to discover that I had a useless left leg. Though I managed to lose the limp, I hated not being able to stride around as I used to. I needed a challenge to tell myself that I wasn't going to buckle to a creature called sciatica. Thus the 'One Day I Will' arrived. "Where does the road by the medical shop lead to?" I asked my parents while visiting them next. "Chalavara," they said. "It's not an easy road to walk on," my father added. "There are too many ups and downs." Chalavara was a superior grade of a village as compared to Mundakotukurussi, with a high school, a fine library, ATMs and several shops. But it also has two approach roads. The one I had chosen was a narrow back road used by the locals and that settled it for me. I needed to know for myself I could walk a road that wasn't going to be easy. And the next day, I would get up and walk that road again.


What is 'sciatica'?

A) A type of animal B) Name of a real place
C) Name of an imaginary place D) A herniated disc
 
Answer & Explanation Answer: D) A herniated disc

Explanation:
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Q:

Select the synonym of
parlance

A) definitive B) lingo
C) canonical D) classic
 
Answer & Explanation Answer: B) lingo

Explanation:
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Q:

By definition a clade is

A) monophyletic B) polyphyletic
C) parsimonious D) paraphyletic
 
Answer & Explanation Answer: A) monophyletic

Explanation:

A clade is a group of ancestral species and all its descendants. Hence it is a branch of one same species and so monophyletic.

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Q:

What happens to air when it is heated?

Answer

When heated any substance, the molecules move apart from each other. Alike in the air the molecules move apart from each other. We know that the warm air is lighter than the cool air. Since after heating air gets warmer, it floats up and the cool air comes down to occupy the warm air place.

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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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Q:

What are the benefits of multithreaded programming?

Answer

 



  • Responsiveness

  • Resources sharing

  • Economy

  • Utilization of multiprocessor architectures.

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