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 Biology Questions

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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:

_________ is the largest phylum of Animalia which includes insects.

A) Annelida B) Chordata
C) Arthropoda D) Platyhelminthes
 
Answer & Explanation Answer: C) Arthropoda

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Q:

Through photosynthesis at least a half of the total carbon dioxide fixation on earth is carried out by?

A) Pteridophytes B) Bryophytes
C) Algae D) Gymnosperms
 
Answer & Explanation Answer: C) Algae

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Q:

In male reproductive system, the testes are situated outside the abdominal cavity within a pouch called __________.

A) Glands B) Scrotum
C) Testicular Lobules D) Seminiferous Tubules
 
Answer & Explanation Answer: B) Scrotum

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Q:

The heart is classified as a(n)_____.

A) organ B) system
C) cell D) tissue
 
Answer & Explanation Answer: A) organ

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Q:

The cell walls of many organisms of Fungi kingdom are made of a tough complex sugar called ______.

A) Pectin B) Suberin
C) Cellulose D) Chitin
 
Answer & Explanation Answer: D) Chitin

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Q:

A US team of scientists has found that the mechanism responsible for the ageing process is located --

A) Inside the face B) Inside the skin
C) Inside the brain D) Inside the heart
 
Answer & Explanation Answer: C) Inside the brain

Explanation:
The US team of scientists found the mechanism in the hypothalamus, which is located deep inside the brain and showed that it is responsible for the ageing process.
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Q:

A genetically engineered form of brinjal known as the BT-­brinjal has been developed. The objective of this is

A) to make it pest resistant B) to improve its taste and nutritive value
C) to make it drought resistant D) to make its shelf-­life longer
 
Answer & Explanation Answer: A) to make it pest resistant

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