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Q:

Which among the following is not a characteristic of transition metals?

A) Tendency to gain electrons B) Low electronegativity
C) Low ionization energy D) Malleability
 
Answer & Explanation Answer: A) Tendency to gain electrons

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Q:

What is the role of Pneumatophores?

A) Protect plant from animals B) Get oxygen for respiration
C) Supports plant in standing upright D) Helps plant for pollination
 
Answer & Explanation Answer: B) Get oxygen for respiration

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Q:

Which of the following enzymes is responsible for RNA synthesis?

A) RNA polymerase B) RNase
C) RNA ligase D) DNA polymerase
 
Answer & Explanation Answer: A) RNA polymerase

Explanation:

The enzyme that is mainly responsible for RNA synthesis is known as RNA polymerase.

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Q:

Nephron is related to which of the following system of human body?

A) Circulatory system B) Excretory system
C) Reproductive system D) Respiratory system
 
Answer & Explanation Answer: B) Excretory system

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Q:

Human beings' hearing range is _______.

A) 50 to 50,000 Hz B) 40 to 40,000 Hz
C) 30 to 30,000 Hz D) 20 to 20,000 Hz
 
Answer & Explanation Answer: D) 20 to 20,000 Hz

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Q:

The virus of AIDS affects the growth of_____________

A) Haemoglobin B) RBCs in blood
C) T cells in blood D) Grey cells in brain
 
Answer & Explanation Answer: C) T cells in blood

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Q:

Name the drug that is yielded from Cinchona tree and is used to cure malaria.

A) Camptothea B) Acuminata
C) Quinine D) Cinchonia
 
Answer & Explanation Answer: C) Quinine

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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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