Biology Questions

Q:

Which blood group is universal donor?

A) O+ B) O–
C) AB– D) AB+
 
Answer & Explanation Answer: B) O–

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Q:

In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.

A) organ B) open
C) closed D) coelom
 
Answer & Explanation Answer: A) organ

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Q:

Which organ of human body secretes Insulin?

A) Pancreas B) Kidney
C) Gall bladder D) Liver
 
Answer & Explanation Answer: A) Pancreas

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Q:

Which of the following glands is a source of the enzyme Ptyalin?

A) Pancreas B) Thyroid Gland
C) Pituitary Gland D) Salivary Glands
 
Answer & Explanation Answer: D) Salivary Glands

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Q:

Which type of permanent tissue helps the aquatic plants to float?

A) Aerenchyma B) Collenchyma
C) Sclerenchyma D) No option is correct
 
Answer & Explanation Answer: A) Aerenchyma

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Q:

Polyploidy arises due to change in the

A) number of chromatids B) structure of genes
C) number of chromosomes D) structure of chromosomes
 
Answer & Explanation Answer: C) number of chromosomes

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Q:

Which drug is used as an Anti­Biotic?

A) Metformin B) Ranitidine
C) Azithromycin D) Ibuprofen
 
Answer & Explanation Answer: C) Azithromycin

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Q:

What cells line the ventricles of the brain?

A) Schwann's cells B) Ependymal cells
C) Nerve cells D) Neuroglia
 
Answer & Explanation Answer: B) Ependymal cells

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