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 Biology Questions

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Q:

The process of forming urine begins in the

 

A) embryo B) ureter
C) nephrons D) urethra
 
Answer & Explanation Answer: C) nephrons

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Q:

Only movable bone in the skull

A) Occipital bone B) Frontal bone
C) Mandible D) Temporal bone
 
Answer & Explanation Answer: C) Mandible

Explanation:

The skul contains the bones like Occipital bone, Frontal bone, Mandible, Temporal bone, Parietal bone. The mandible, or jaw bone, is the only movable bone of the skull, forming the temporomandibular joint with the temporal bone. The lower teeth are rooted into the mandible while the upper teeth are rooted in the two maxillae.

 

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Q:

_____ is not caused by airborne transmission.

 

A) Tuberculosis B) Chickenpox
C) Measles D) Hepatitis B
 
Answer & Explanation Answer: D) Hepatitis B

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Q:

Agrostology is the study of

A) Seed of oil B) Crop
C) Grass D) Fruits
 
Answer & Explanation Answer: C) Grass

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Q:

Which part of Nervous system controls involuntary actions

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

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Q:

The total number of pairs of Peripheral nerves in man are

A) 41 B) 42
C) 43 D) 44
 
Answer & Explanation Answer: C) 43

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Q:

Arrange the following ina proper sequence.

A. Mutation

B. Reproductive isolation

C. Natural selection

D. Evolution

 

A) D,C,B,A B) C,B,A,D
C) A,C,D,B D) A,B,C,D
 
Answer & Explanation Answer: D) A,B,C,D

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Q:

Which of the following plant group has hidden reproductive organs?

 

A) Bryophyta B) Thallophyta
C) Pteridophyta D) All option are correct
 
Answer & Explanation Answer: D) All option are correct

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