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Q:

In which form is glucose stored in our body?

A) Insulin B) Glucose
C) Glycogen D) Fat
 
Answer & Explanation Answer: C) Glycogen

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Q:

Intestinal bacteria synthesizes which of the following in the human body?

A) Vitamin K B) Proteins
C) Fats D) Vitamin D
 
Answer & Explanation Answer: A) Vitamin K

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Q:

The human spinal column is made up of ___ bones.

A) 33 B) 42
C) 44 D) 53
 
Answer & Explanation Answer: A) 33

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Q:

Hydra reproduces by

A) Fragmentation B) Multiple fission
C) Budding D) Binary fission
 
Answer & Explanation Answer: C) Budding

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Q:

Which three processes are methods of genetic recombination?

A) independent assortment B) Crossing over
C) fertilization D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Genetic recombination is a complex process that involves alignment of two homologous DNA strands, precise breakage of each strand, equal exchange of DNA segments between the two strands, and sealing of the resultant recombined DNA molecules through the action of enzymes called ligases.

Crossing over, independent assortment and fertilization are methods of genetic recombination.

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Q:

Which of the following part of plant cell, is selectively permeable?

A) Cell wall B) Cell membrane
C) Cytoplasm D) Nucleus
 
Answer & Explanation Answer: B) Cell membrane

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Q:

The motile germ cell is called a/an

A) Male gamete B) Gamete
C) Female gamete D) Isogamete
 
Answer & Explanation Answer: A) Male gamete

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Q:

Slow-growing large coloured patches on the bark of trees are the examples of symbiotic life forms called ______.

 

A) Aphids B) Egrets
C) Shrimps D) Lichens
 
Answer & Explanation Answer: D) Lichens

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