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Q:

The human spinal column is made up of ___ bones.

A) 33 B) 42
C) 44 D) 53
 
Answer & Explanation Answer: A) 33

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Q:

Involuntary actions in human beings such as blood pressure, salivation and vomiting are controlled by the

A) Spinal cord B) Hypothalamus
C) Pons D) Medulla
 
Answer & Explanation Answer: D) Medulla

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Q:

Which  one  of  the  following  with  regard  to Aridisol,  one  of  the  soil  orders,  is not correct?

A) Lack  of  water  for  plants during  most part of the years B) High organic matter
C) Large  accumulation  of  carbonates  at depth D) Absence of deep wide cracks
 
Answer & Explanation Answer: B) High organic matter

Explanation:

All  are  correct  except  B  as  Aridisol is just like sand like soil as in Arid region  e.g.  In  Rajasthan,  so  there will be very less amount of organic matter.

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Q:

_____ are a group of chemicals that influence cell division and shoot formation.

A) Cytokinins B) Gibberellins
C) Domins D) Auxins
 
Answer & Explanation Answer: A) Cytokinins

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Q:

The tendon is made up of

A) inelastic connective tissue fibres B) inelastic and elastic connective tissue fibres
C) only collagen fibres D) elastic connective tissue fibres
 
Answer & Explanation Answer: C) only collagen fibres

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Q:

Hydra reproduces by

A) Fragmentation B) Multiple fission
C) Budding D) Binary fission
 
Answer & Explanation Answer: C) Budding

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Q:

What is the type of asexual reproduction in Amoeba?

A) Spore formation B) Binary fission
C) Vegetative propagation D) Budding
 
Answer & Explanation Answer: B) Binary fission

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Q:

Zika virus which damages the brain of the foetus is

A) Mosquito borne B) Water borne
C) Air borne D) Food borne
 
Answer & Explanation Answer: A) Mosquito borne

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