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 Biology Questions

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Q:

Which of the following is responsible for giving colour to human skin?

A) Luciferin B) Haemoglobin
C) Flavonoids D) Melanin
 
Answer & Explanation Answer: D) Melanin

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Q:

Opposite the micropylar end, is the __________, representing the basal part of the ovule.

A) hilum B) funicle
C) chalaza D) nucellus
 
Answer & Explanation Answer: C) chalaza

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Q:

Arboreal Ateles is the scientific name of _____ .

A) Squirrel B) Sparrow
C) Lizard D) Spider monkey
 
Answer & Explanation Answer: D) Spider monkey

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1 1372
Q:

The xylem in plants are responsible for:

A) transport of water B) transport of food
C) transport of amino acids D) transport of oxygen
 
Answer & Explanation Answer: A) transport of water

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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:

Which organ produces insulin?

A) Liver B) Thyroid gland
C) Spleen D) Pancreas
 
Answer & Explanation Answer: D) Pancreas

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1 1361
Q:

Part of the plant where photosynthesis generally occurs

A) roots B) leaves
C) branches D) flowers
 
Answer & Explanation Answer: B) leaves

Explanation:

In a plant, photosynthesis generally occurs in the leaves part as leaves have chlorophyll which is used for making food using sunlight.

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3 1353
Q:

A few organisms can tolerate and thrive in a narrow range of temperatures. Such organisms are called ___________.

A) Osmotic B) Eurythermal
C) Stenothermal D) Hydrothermal
 
Answer & Explanation Answer: C) Stenothermal

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