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 Biology Questions

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Q:

In mammals, an important role of excretion is played by________

A) Large intestine B) Kidneys
C) Lungs D) Liver
 
Answer & Explanation Answer: B) Kidneys

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Q:

Which one of the following tissues is responsible for increase of girth in the stem of a plant?

A) Tracheid B) Pericycle
C) Intercalary meristem D) Lateral meristem
 
Answer & Explanation Answer: D) Lateral meristem

Explanation:

In vascular plants, the lateral meristem is one of two meristems in which growth occurs in order to increase stem girth. A meristem is the region of plant tissue found on the tips of roots and shoots. It is where cell division occurs to produce new growth.

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Q:

The male sex organs in a flower is the __________.

A) Zoospores B) stamen
C) pistil D) Chlorophyceae
 
Answer & Explanation Answer: B) stamen

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Q:

Which of the following is responsible for Vermicomposting?

A) Fungus B) Worms
C) Bacteria D) Birds
 
Answer & Explanation Answer: B) Worms

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Q:

Alveoli are balloon like structures within the ______.

A) lungs B) kidney
C) liver D) heart
 
Answer & Explanation Answer: A) lungs

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Q:

Some roots, called _________________, arise from an organ other than the radicle.

A) tap roots B) stilt roots
C) fibrous roots D) adventitious roots
 
Answer & Explanation Answer: D) adventitious roots

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Q:

Deficiency of which of the following causes non-clotting of blood?

A) Vitamin C B) Vitamin K
C) Vitamin E D) Vitamin B12
 
Answer & Explanation Answer: B) Vitamin K

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3 1584
Q:

Who discovered Nitrogen?

A) Faraday B) Heisenberg
C) Hooke D) Rutherford
 
Answer & Explanation Answer: D) Rutherford

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