Biology Questions

Q:

What is the heaviest internal organ in the human body?

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

Explanation:

The liver is a large, meaty organ that sits on the right side of the belly. It is the largest & heaviest internal organ in the human body.

 

What_is_the_heaviest_internal_organ_in_the_human_body1557835175.jpg image

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Q:

Lysergic acid diethylamide (LSD) is a drug used as a

A) Sedative B) Hallucinogen
C) Steroid D) Analgesic
 
Answer & Explanation Answer: B) Hallucinogen

Explanation:

Lysergic acid diethylamide (LSD) is a drug used as a Hallucinogen.

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Q:

What nitrogenous bases are found in RNA?

A) Thymine B) Uracil
C) Guanine D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Q:

What is plant cell wall mainly composed of?

A) Lipids B) Vitamin
C) Cellulose D) Protein
 
Answer & Explanation Answer: A) Lipids

Explanation:
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Q:

Color blindness primarily affects

A) Children B) Male
C) Female D) Both B & C
 
Answer & Explanation Answer: B) Male

Explanation:

Color blindness primarily affects males as the the genes responsible for the most common, inherited color blindness are on the X chromosome, hence, primarily affects males.

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Q:

Where is pain perceived in the brain?

Answer

At first, the intensity of the pain stimuli is sent through the nerve fibres to the brain parts that are limked with the pain perception such as anterior cingulate cortex.

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Q:

....... produces a usable form of energy for the cell.

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

Explanation:

Mitochondria are organelles that generate most of the chemical energy needed to power the cell's biochemical reactions. Hence, thay are also called as Power house of the cell.

 

mitochondria1593761207.jpg image

 

* Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).

 

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Q:

The study of relation of animals and plants to their surroundings is called__________

A) Ecology B) Ethrology
C) Genealogy D) Iconology
 
Answer & Explanation Answer: A) Ecology

Explanation:
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