Biology Questions

Q:

In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?

A) 2:2 B) 1:3
C) 3:1 D) 4:0
 
Answer & Explanation Answer: B) 1:3

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Q:

Prothrombin, responsible for clotting of blood is released by_____.

A) Small Intestine B) Blood Platelets
C) Large Intestine D) Heart
 
Answer & Explanation Answer: B) Blood Platelets

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Q:

The vocal cords in men are about _______ long.

A) 10mm B) 20mm
C) 30mm D) 40mm
 
Answer & Explanation Answer: B) 20mm

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Q:

Xylem helps in transportation of which of the following?

A) Food B) Water
C) Nutrients D) Both food and water
 
Answer & Explanation Answer: B) Water

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1 1617
Q:

In which one of the following types of connective tissues in animals does fat get stored?

A) Adipocyte B) Chondrocyte
C) Osteocyte D) Reticulocyte
 
Answer & Explanation Answer: A) Adipocyte

Explanation:

Adipocytes are the major source of leptin production, and plasma leptin concentrations directly correlate with the amount of total body fat.

Adipocytes are highly specialized cells that play a crucial role in the energy balance of most vertebrates.

Adipocytes convert excess energy to tri-acylglycerol and deposit it during feeding in preparation for periods of food deprivation.

Adipocytes may become enlarged by increased fat storage

 

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Q:

If waste materials contaminate the source of drinking water, which of the following diseases will spread?

A) Scurvy B) Typhoid
C) Malaria D) Anaemia
 
Answer & Explanation Answer: B) Typhoid

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Q:

The connective tissue that connects a muscle to a bone is

A) Cartilage B) Ligament
C) Tendon D) Interstitial fluid
 
Answer & Explanation Answer: C) Tendon

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Q:

In September 2017, who launched ‘Pradhan Mantri LPG Panchayat Yojna’?

A) Narendra Modi B) Dharmendra Pradhan
C) Piyush Goyal D) R.K. Singh
 
Answer & Explanation Answer: B) Dharmendra Pradhan

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