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 Biology Questions

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Q:

Which type of pathogen causes the water­borne disease Hepatitis­A?

A) Parasitic B) Viral
C) Protozoan D) Bacterial
 
Answer & Explanation Answer: B) Viral

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Q:

Which of the following physiological symptoms are signs of stress?

A) Arthritis and carpal tunnel syndrome B) Dental cavities and bone loss
C) Headaches and elevated blood pressure D) Hearing and vision loss
 
Answer & Explanation Answer: C) Headaches and elevated blood pressure

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Q:

Goitre is caused by the deficiency of ___________

A) Zinc B) Calcium
C) Iodine D) Chlorine
 
Answer & Explanation Answer: C) Iodine

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Q:

Which of the following organisms are considered to be both Living and Non-living?

A) Bacteria B) Fungi
C) Algae D) Virus
 
Answer & Explanation Answer: D) Virus

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Q:

Anaerobic respiration refers to which of the following?

A) Respiration without Oxygen B) Respiration with Oxygen
C) Respiration without CO2 D) Respiration with CO2
 
Answer & Explanation Answer: A) Respiration without Oxygen

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Q:

The formed elements in the blood are

A) Erythrocytes B) Leucocytes
C) Thrombocytes D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

The formed elements are so named because they are enclosed in a plasma membrane and have a definite structure and shape.

 

The formed elements in the blood are Erythrocytes (RBC's), Leukocytes (WBC's) and Thrombocytes (Platelets).

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Q:

What does Trypsin do?

A) Breaks down Carbohydrates B) Synthesizes proteins
C) Breaks down fats D) Breaks down proteins
 
Answer & Explanation Answer: D) Breaks down proteins

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Q:

Which of the following is NOT a pollination agent for cross pollination?

A) Water B) Animals
C) Wind D) Plants
 
Answer & Explanation Answer: D) Plants

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