Biology Questions

Q:

In which of the following plants are buds produced in the notches along the leaf margin?

A) Bryophyta B) Banana
C) Rose D) Bryophyllum
 
Answer & Explanation Answer: D) Bryophyllum

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Q:

Which factor affects the heart rate in mammals?

A) Need for oxygen B) RBC count in blood
C) Blood type D) All the above
 
Answer & Explanation Answer: A) Need for oxygen

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Q:

What temperature does bacteria grow quickest at

A) 40°F and 140°F B) 14°C and 90°C
C) 80°F and 140°F D) None
 
Answer & Explanation Answer: A) 40°F and 140°F

Explanation:

Most bacteria will grow rapidly between 4°C and 60°C (40°F and 140°F).

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Q:

In plants, the carbohydrates which are NOT used immediately are stored in the form of

A) Amino acids B) Starch
C) Fatty acids D) Fats
 
Answer & Explanation Answer: B) Starch

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Q:

Which enzyme has been used by scientists of Massachusetts Institute of Technology to induce plants to give off dim light?

 

A) Carotenogen B) Luciferase
C) Reductase D) Peroxidase
 
Answer & Explanation Answer: B) Luciferase

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Q:

How many chromosomes does a human cell contain?

A) 6 B) 26
C) 46 D) 66
 
Answer & Explanation Answer: C) 46

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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:

Which plant tissue is also known as growing tissue?

A) Only permanent tissue B) Only Meristematic tissue
C) Both Permanent and meristematic tissue D) Neither Permanent nor meristematic tissue  
 
Answer & Explanation Answer: B) Only Meristematic tissue

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