Biology Questions

Q:

The female sex organs in a flower is the __________.

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

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Q:

Which of the following bacterium causes crown gall disease in plants?

A) Bacillus thurigiensis B) Agrobacterium tumefaciens
C) Pseudomonas fluorescens D) None of these
 
Answer & Explanation Answer: B) Agrobacterium tumefaciens

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Q:

Which organ of human body secretes Insulin?

A) Pancreas B) Kidney
C) Gall bladder D) Liver
 
Answer & Explanation Answer: A) Pancreas

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Q:

Kyoto Protocol is associated with

A) Species conservation B) Climate change
C) Wetland Conservation D) Medicinal plants
 
Answer & Explanation Answer: B) Climate change

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Q:

The amount of blood filtered together by both the kidneys in a 70 kg adult male human in a minute is

A) 1100 ml B) 100 ml
C) 1500 ml D) 500 ml
 
Answer & Explanation Answer: A) 1100 ml

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Q:

In humans, the sound is produced by the ________.

A) oesophagus B) larynx
C) medulla D) epiglottis
 
Answer & Explanation Answer: B) larynx

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Q:

Which of the following bears flowers?

A) Bryophyta B) Pteridophyta
C) Gymnosperms D) Angiosperms
 
Answer & Explanation Answer: D) Angiosperms

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Q:

Which among the following have a perfect pair of sex chromosomes?

A) Only men B) Only women
C) Both men and women D) Neither men nor women
 
Answer & Explanation Answer: B) Only women

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