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 Biology Questions

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Q:

Nissil granules occur in

A) Eosinophil B) Glial cell
C) Neuron D) Lymphocyte
 
Answer & Explanation Answer: C) Neuron

Explanation:
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6 2650
Q:

Damage to hearing is caused by sounds which exceed

A) 70 decibles B) 80 decibles
C) 100 decibles D) 120 decibles
 
Answer & Explanation Answer: D) 120 decibles

Explanation:

High frequency sound attacks the tympanic memberane and makes it defective. 120 decibles is too high a pitch to be heard and therefore it impairs the hearing ability.

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3 2650
Q:

When more than 20% of the body weight is due to fat, the person is suffering from

A) Marasmus B) Kwashiorkor
C) Scurvy D) Obesity
 
Answer & Explanation Answer: D) Obesity

Explanation:
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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 2641
Q:

Sleeping sickness in main is caused by the organism 

A) Plasmodium B) entamoeba
C) giardia D) trypanosoma
 
Answer & Explanation Answer: D) trypanosoma

Explanation:

Trypanasoma is a protozoan animal. It lives as a parasite in the blood and later invades the cerebrospinal fluid to cause the sleeping sickness. This parasite is transmitted by the Tsetse fly.

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6 2637
Q:

The insects do not have blood pigments because 

A) there is no blood B) tissues have pigments
C) blood does not have a respiratory function D) pigments are elsewhere
 
Answer & Explanation Answer: C) blood does not have a respiratory function

Explanation:

The blood of some invertebrate animals like the earthworm is red due to haemoglobin pigment, but the pigment is dissolved in the plasma. In vertebrates the same pigment is found in the red corpuscles and not in the plasma.

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3 2633
Q:

Which is the Largest Organ in the Human Body?

A) Heart B) Brain
C) Skin D) Liver
 
Answer & Explanation Answer: C) Skin

Explanation:

There are about 70 organs in the human body. The Top 10 largest organs in the human body based on size are:

1. Skin

2. Liver

3. Brain

4. Lungs

5. Heart

6. Kidneys

7. The Spleen

8. The Pancreas

9. Thyroxin

10. The Prostrate.

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16 2629
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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