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 Biology Questions

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Q:

Which of the following micro-organism causes diseases like polio and chicken pox?

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

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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:

Which of the following statements about the cytoskeleton is FALSE?

A) The bacterial cytoskeleton is not required for cell division and DNA segregation B) The cytoskeleton is made up of two types of protein filament
C) Protein monomers that are held together with covalent bonds to form cytoskeletal filaments D) The cytoskeleton of a cell can change in response to the environment
 
Answer & Explanation Answer: C) Protein monomers that are held together with covalent bonds to form cytoskeletal filaments

Explanation:

Protein monomers that are held together with covalent bonds to form cytoskeletal filaments is the false statement about the cytoskeleton in the given options.

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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

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Q:

A genetically engineered form of brinjal known as the BT-­brinjal has been developed. The objective of this is

A) to make it pest resistant B) to improve its taste and nutritive value
C) to make it drought resistant D) to make its shelf-­life longer
 
Answer & Explanation Answer: A) to make it pest resistant

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Q:

The saliva in human beings contains which enzyme?

A) Pepsin B) Salivary Amylase  
C) Rennin D) Trypsin
 
Answer & Explanation Answer: B) Salivary Amylase  

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Q:

Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called?

A) Zoospores B) Anisogamous
C) Isogamous D) Oogamous
 
Answer & Explanation Answer: B) Anisogamous

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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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