Biology Questions

Q:

Which type of cell, skin is made up of:

A) Epidermal cells B) Connective tissue
C) Permanent tissues D) Parenchyma
 
Answer & Explanation Answer: A) Epidermal cells

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Q:

Among plants, three different genera Solanum, Petunia and Datura are placed in which family?

A) Cancidae B) Solanaceae
C) Felis D) Felidae
 
Answer & Explanation Answer: B) Solanaceae

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Q:

___________ being a higher category, is the assemblage of families which exhibit a few similar characters.

A) Order B) Species
C) Genus D) Class
 
Answer & Explanation Answer: A) Order

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Q:

Which of the following is secreted by the liver?

A) Glucose B) Iodine
C) Cortisol D) Bile
 
Answer & Explanation Answer: D) Bile

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Q:

Why do the desert plants take up the carbon dioxide for photosynthesis at night?

A) To prevent water loss B) To enhance carbon absorption
C) To release excess oxygen D) No option is correct
 
Answer & Explanation Answer: A) To prevent water loss

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Q:

Which of the following is not a function of blood?

A) Transport of food materials B) Transport of oxygen
C) Transport of excretory materials D) None of these
 
Answer & Explanation Answer: D) None of these

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Q:

Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?

A) Villi B) Mucus
C) Saliva D) Digestive Juices
 
Answer & Explanation Answer: B) Mucus

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Q:

Which of the following induces nitrogen fixation in soil?

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

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