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 Biology Questions

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Q:

Genes are situated on _________

A) Chromosome B) Mitochondria
C) Plastids D) Ribosomes
 
Answer & Explanation Answer: A) Chromosome

Explanation:
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Q:

Tissue that connects muscle to bone

A) Tendons B) Joint capsule
C) Body fiber D) Ligament
 
Answer & Explanation Answer: A) Tendons

Explanation:

A tendon is a fibrous connective tissue which is Tough, fibrous, cord-like tissue that connects muscle to bone or another structure, such as an eyeball. Tendons help the bone or structure to move.

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3 3108
Q:

Food wrapped in news paper is likely to get contaminated by 

A) Magnesium B) Alluminium
C) Lead D) Copper
 
Answer & Explanation Answer: C) Lead

Explanation:

It gets contaminated by lead

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Q:

An olfactory stimulus travels from receptor to

A) amygdala B) pons
C) olfactory bulb D) thalamus
 
Answer & Explanation Answer: C) olfactory bulb

Explanation:

The olfactory system is the only system in which the receptors send their signal directly to the higher brain and bypass the thalamus, which normally acts as a filter for the processes of the lower brain.

An_olfactory_stimulus_travels_from_receptor_to1559025542.jpg image

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1 3101
Q:

The book Historia plantrum is written by

A) Aristotle B) Theophrastus
C) Hipporates D) Darwin
 
Answer & Explanation Answer: B) Theophrastus

Explanation:
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Q:

What base is found in RNA but not in DNA?

A) Uracil B) Cytosine
C) Adenine D) Guanine
 
Answer & Explanation Answer: A) Uracil

Explanation:

Uracil is not found in DNA but found in RNA.

DNA_-_RNA_bases1532086121.jpg image

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1 3086
Q:

Branch of biology in which we study about relationship between living and their environment

A) Physiology B) Genetics
C) Ecology D) Geology
 
Answer & Explanation Answer: C) Ecology

Explanation:
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8 3084
Q:

The disease Goitre is caused in persons who do not have in their diet sufficient

A) calcium B) sodium
C) iodine D) iron
 
Answer & Explanation Answer: C) iodine

Explanation:

Goitre is characterized by the swelling of the neck region. This is due to the enlargement of the thyroid gland which secretes hormone thyroxine. Thyroxine has iodine as an integral part of it. If there is not sufficient iodine in one's  diet, the thyroid gland swells up.

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