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 Biology Questions

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Q:

The heart is classified as a(n)_____.

A) organ B) system
C) cell D) tissue
 
Answer & Explanation Answer: A) organ

Explanation:
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Q:

Which of the following organs do not have blood vessels?

A) Spleen B) Cornea
C) Liver D) None of the above
 
Answer & Explanation Answer: B) Cornea

Explanation:

Corneas are only tissues that don’t have blood vessels. Tissues are the level cellular organization in the human body which lies between cells and a complete organ. Tissues of similar cells group together to form an organ.

 

There are four types of tissues. They are :

Epithelial,

Connective,

Muscular, and

Nervous tissue.

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Q:

Which drug is used to cure Glaucoma?

A) Fexofenadine B) Ketoconazole
C) Latanoprost D) Ibuprofen
 
Answer & Explanation Answer: C) Latanoprost

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Q:

___, found in blood, is responsible for oxygen transportation.

A) WBC B) Plasma
C) Platelets D) RBC
 
Answer & Explanation Answer: D) RBC

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Q:

Epidermal cells of which part of plant often secrete a waxy water resistant layer on their outer surface

 

A) Aerial parts only B) Roots only
C) Both aerial parts and roots D) Neither aerial parts nor root
 
Answer & Explanation Answer: A) Aerial parts only

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Q:

The main protein found in milk is ____________

A) Albumin B) Globulin
C) Globin D) Casein
 
Answer & Explanation Answer: D) Casein

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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:

_________ is the largest phylum of Animalia which includes insects.

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

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