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Q:

The__________ are the primary female sex organs that produce the female gamete (ovum) and several steroid hormones (ovarian hormones).

A) Cervix B) Uterus
C) Ovaries D) Clitoris
 
Answer & Explanation Answer: C) Ovaries

Explanation:
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Q:

Most viruses that infect plants possess

A) single-stranded DNA B) single-stranded RNA
C) double-stranded DNA and RNA D) double-stranded RNA only
 
Answer & Explanation Answer: B) single-stranded RNA

Explanation:

Generally viruses that infect plants have single stranded RNA. Viruses infecting animals have double stranded RNA or DNA. Viruses which infect bacteria have double stranded DNA.

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Q:

The largest artery in human body is

A) Aorta B) Capillary
C) Vena cava D) Pulmonary vein
 
Answer & Explanation Answer: A) Aorta

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Q:

What is the name of the hormone produced by thymus gland?

A) Thyroxine B) Auxins
C) Cytokinins D) Thymosin
 
Answer & Explanation Answer: D) Thymosin

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Q:

All of the following are fat-soluble vitamins except

A) Vitamin C B) Vitamin D
C) Vitamin A D) Vitamin K
 
Answer & Explanation Answer: A) Vitamin C

Explanation:

Fat-soluble vitamins except are the vitamins that are not soluble in water and are only absorbed when taken with higher fat food.

There are 4 types of fat soluble vitamins. They are :

  • Vitamin A
  • Vitamin D
  • Vitamin E
  • Vitamin K

 

Water soluble vitamins are Vitamin B and Vitamin C.

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Q:

Taenia (Tapeworm), Fasciola (Liver fluke) are examples of which Phylum?

A) Coelenterata B) Platyhelminthes
C) Annelida D) Arthropoda
 
Answer & Explanation Answer: B) Platyhelminthes

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Q:

What distinguishes Atherosclerosis from Arteriosclerosis?

Answer

The condition of blockage of the artery due to plaque deposition in the walls which can lead to stroke or heart attack is called Atherosclerosis.


Whereas,


The condition in which the stiffening or hardening of the arteries is called as Arteriosclerosis.

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Q:

Which of the following is an emergency hormone in humans?

A) Thyroxine B) Insulin
C) Adrenalin D) Progestrone
 
Answer & Explanation Answer: C) Adrenalin

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