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 Biology Questions

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Q:

Which of the following does nutritional genomics study?

A) how certain nutrients affect an individual's gene expression B) the precise amount of micronutrients the body needs
C) the protein content of an individual D) the genetic sequence of an individual's genome
 
Answer & Explanation Answer: A) how certain nutrients affect an individual's gene expression

Explanation:

Nutritional genomics is a science studying the effects of food and food constituents on gene expression and the relationship between human genome, nutrition and health. It is also known as nutrigenomics. It also studies how genetic variations affect the nutritional environment.

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2 2010
Q:

In unicellular organisms, all functions like digestion, respiration and reproduction are performed by a how many cell(s)?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

Explanation:
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Filed Under: Biology
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2 2010
Q:

What is the function of chloroplast in a plant cell?

A) absorb nutrients from soil B) absorb water
C) absorb sunlight D) All of the above
 
Answer & Explanation Answer: C) absorb sunlight

Explanation:

Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant.

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1 2007
Q:

Name the part of neuron where information is acquired.

A) Axon B) Nucleus
C) Dendrite D) None of the above
 
Answer & Explanation Answer: C) Dendrite

Explanation:

The part of neuron where information is acquired is called as Neuron.

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3 2003
Q:

In autotrophic bacteria, where is chlorophyll located?

A) in the nucleoid B) in the infolded plasma membrane
C) in the ribosomes D) in chloroplast membranes
 
Answer & Explanation Answer: B) in the infolded plasma membrane

Explanation:
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1 2000
Q:

A ___________ is a long internode forming the basal part or the whole of a peduncle.

A) rhizome B) rachis
C) floral axis D) scape
 
Answer & Explanation Answer: D) scape

Explanation:
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1 2000
Q:

Photosynthesis takes place in the presence of chlorophyll and _________.

A) water B) nutrients
C) carbon-dioxide D) sunlight
 
Answer & Explanation Answer: D) sunlight

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Filed Under: Biology
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5 1997
Q:

Yeast is a ______________

A) Bacteria B) Fungi
C) Algae D) Bryophyte
 
Answer & Explanation Answer: B) Fungi

Explanation:
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Filed Under: Biology
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3 1994