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 Biology Questions

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Q:

Bovidae Ovis is the scientific name of _____.

A) Goat B) Cow
C) Buffalo D) Sheep
 
Answer & Explanation Answer: D) Sheep

Explanation:
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Q:

....... produces a usable form of energy for the cell.

A) Ribosomes B) Plastids
C) Mitochondria D) Chloroplast
 
Answer & Explanation Answer: C) Mitochondria

Explanation:

Mitochondria are organelles that generate most of the chemical energy needed to power the cell's biochemical reactions. Hence, thay are also called as Power house of the cell.

 

mitochondria1593761207.jpg image

 

* Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).

 

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6 1030
Q:

Rhinitis is the disease that effects which body part?

A) Brain B) Nose
C) Blood D) Skin
 
Answer & Explanation Answer: B) Nose

Explanation:

Nose is the body part which is effected by the disease Rhinitis.

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1 1030
Q:

Which of the following is not true of graded potentials?

A) They can form on receptor endings B) They increase amplitude as they move away from the stimulus point
C) They are short-lived D) They can be called postsynaptic potentials
 
Answer & Explanation Answer: B) They increase amplitude as they move away from the stimulus point

Explanation:

Graded potentials are changes in membrane potential that vary in size, as opposed to being all-or-none.

 

In the given options, They increase amplitude as they move away from the stimulus point is not true about the graded potentials.

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1 1029
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

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2 1027
Q:

In how many parts is the human brain divided?

A) 2 B) 3
C) 4 D) 5
 
Answer & Explanation Answer: B) 3

Explanation:
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1 1026
Q:

Locust, Butterfly, Scorpion and Prawn are all examples of which Phylum?

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

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2 1025
Q:

Humans cannot digest cellulose because they

Answer

Humans cannot digest cellulose because they are lacking with the enzymes responsible to breakdown the beta acetal linkages.

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