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Q:

A/An .............. tissue is formed beneath the skin and between internal organs

A) Epithelial B) Nervous
C) Muscular D) Adipose
 
Answer & Explanation Answer: D) Adipose

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Q:

Which of the following is true of annelids?

A) They have an open circulatory system B) They have a nerve net
C) They perform gas exchange across their skin D) They have pseudocoeloms
 
Answer & Explanation Answer: C) They perform gas exchange across their skin

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Q:

Enzymes are important because they

A) maintain cell shape B) transfer genetic information
C) contain water D) speeds up chemical reactions
 
Answer & Explanation Answer: D) speeds up chemical reactions

Explanation:

Enzymes in the body are those which play an important role of breaking down the larger molecules to small and speeds up the chemical reactions.

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Q:

What are the four bases that make up DNA?

Answer

A DNA is made up of four bases called Adenine, Thymine, Cytosine and Guanine.

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Q:

The pale yellow colour of urine is due to the presence of which pigment?

A) Urochrome B) Urophyll
C) Chlorophyll D) Chloroplast
 
Answer & Explanation Answer: A) Urochrome

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Q:

What is the full form of DNA?

A) Diribo nucleic acid B) Di nucleic acid
C) Dual nitrogen acid D) Deoxyribonucleic acid
 
Answer & Explanation Answer: D) Deoxyribonucleic acid

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Q:

Pollen is produced by the process of

A) Mitosis B) Pollination
C) Meiosis D) Fertilization
 
Answer & Explanation Answer: A) Mitosis

Explanation:

Pollen is a male plant gamete. When microspores produced after meiosis process on microsporangia of male gametophyte undergo mitosis and forms pollen grains.

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Q:

Which of the following is not connective tissue?

A) Bone B) Cartilage
C) Blood D) Skeletal muscle
 
Answer & Explanation Answer: D) Skeletal muscle

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