Biology Questions

Q:

Algal bloom results from

A) Global warming B) Salination
C) Eutrophication D) Biomagnification
 
Answer & Explanation Answer: C) Eutrophication

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Q:

Blood leaving the liver and moving towards the heart has a higher concentration of _____ .

A) Lipids B) Urea
C) Bile Pigments D) Carbon dioxide
 
Answer & Explanation Answer: C) Bile Pigments

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Q:

The embryo gets nutrition from the mother's blood with the help of a special tissue called

A) Uterus B) Placenta
C) Cervix D) Fallopian tube
 
Answer & Explanation Answer: B) Placenta

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Q:

Which of the following is a vertebrate?

A) Kiwi B) Sponges
C) Star fish D) Threadworm
 
Answer & Explanation Answer: A) Kiwi

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Q:

A section of DNA that provides information for one protein is called the ___.

A) lysosome B) gene
C) chromosome D) nucleus
 
Answer & Explanation Answer: B) gene

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Q:

Which is the CORRECT pair of inherited chromosomes for the child to be a girl?

A) X from father and Y from mother B) Y from father and X from mother
C) Y from father and Y from mother D) X from father and X from mother
 
Answer & Explanation Answer: D) X from father and X from mother

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Q:

Which type of pathogen causes the water­borne disease Cholera?

A) Algal B) Bacterial
C) Protozoan D) Viral
 
Answer & Explanation Answer: B) Bacterial

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Q:

The Mutation Theory was proposed by _____.

A) Charles Lyell B) William Smith
C) Hugo De Vries D) Harrison Schmitt
 
Answer & Explanation Answer: C) Hugo De Vries

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