76
Q:

From the following pairs, find the one which is correctly matched?

 

A) Scurvy- Thiamine B) Tuberculosis- ATS
C) Tetanus- BCG D) Malaria- Chloroquine

Answer:   D) Malaria- Chloroquine



Explanation:

Chloroquine is a medication used to prevent and to treat malaria.

Subject: Biology
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Q:

Where are the taste receptors located?

A) epiglottis B) upper esophagus
C) tip of the tongue D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Five basic tastes are :

salty,

sweet,

bitter,

sour, and

umami.

Where_are_the_taste_receptors_located1551955329.jpg image

The taste receptors are located all over in the mouth around paillae structures.

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Q:

Sugar is a component of which of the following?

A) Lipids B) Nucleic acids
C) Carbohydrates D) Both B & C
 
Answer & Explanation Answer: C) Carbohydrates

Explanation:

Sugar is a component of Carbohydrates.

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Q:

Membrane bound organelles are not found in the cells of

A) Eukaryotes B) Prokaryotes
C) Both A & B D) Nokaryotes
 
Answer & Explanation Answer: B) Prokaryotes

Explanation:

Membrane bound organelles are not found in the cells of Prokaryotes whereas Eukaryotes have nucleus and membrane bound organelles.

 

For example : Bacteria is prokaryotic organism with lack of nucleus and membrane bound organelles whereas fungi is a eukaryotic with nucleus and membrane bound organelles.

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8 3478
Q:

The size of the pupil is controlled by the

A) Retina B) Iris
C) Cornea D) Lens
 
Answer & Explanation Answer: B) Iris

Explanation:

The size of the pupil is controlled by the Iris when light enters the eye.

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3 1487
Q:

Homeostasis is the condition in which the body maintains

A) a relatively stable internal environment within limits B) a changing state within an unlimited range
C) the lowest possible energy usage D) a static state with no deviation from preset points
 
Answer & Explanation Answer: A) a relatively stable internal environment within limits

Explanation:
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2 1267
Q:

What is a direct result of aerobic respiration?

A) The enzymes for anaerobic respiration are produced and stored in lysosomes B) Alcohol is produced by yeast and bacteria
C) The potential energy of glucose is transferred to ATP molecules D) Lactic acid is produced in muscle tissue
 
Answer & Explanation Answer: C) The potential energy of glucose is transferred to ATP molecules

Explanation:

Aerobic respiration is the reaction takes place in presence of oxygen which quite opposite to anerobic. The direct result of aerobic repiration is ATP molecules from breakdown of glucose molecules.

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Q:

The hormone associated with aggression seems to be

A) Testosterone B) Adrenaline
C) Estrogen D) Peptone
 
Answer & Explanation Answer: A) Testosterone

Explanation:

Testosterone is the hormone which is associated with aggression.

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Q:

Polyploidy is involved in which of the following examples?

A) XYY males B) Some plants alternate between haploid and diploid phases
C) XO females D) A normal watermelon has 22 chromosomes but seedless watermelons have 33 chromosomes
 
Answer & Explanation Answer: D) A normal watermelon has 22 chromosomes but seedless watermelons have 33 chromosomes

Explanation:
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