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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

Explanation:
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Q:

Photosynthesis takes place inside plant cells in _____.

A) Ribosomes B) Chloroplasts
C) Nucleus D) Mitochondria
 
Answer & Explanation Answer: B) Chloroplasts

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Q:

Lysosome is formed from which of the following cell organelles?

A) Nucleus B) Endoplasmic reticulum
C) Golgi bodies D) Ribosomes
 
Answer & Explanation Answer: C) Golgi bodies

Explanation:

•Lysosomes are spherical membranous sacs of enzymes.

•The lysosome membrane helps to keep its internal compartment acidic and separates the digestive enzymes from the rest of the cell.

•Lysosomes are formed by budding from the Golgi complex.

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Q:

Features and habits that help animals to adapt to their surroundings are a result of the process of ______________.

A) maturation B) evolution
C) progression D) renewal
 
Answer & Explanation Answer: B) evolution

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Q:

Ethylene is a ______ molecule.

A) polar B) ionic
C) covalent D) nonpolar
 
Answer & Explanation Answer: D) nonpolar

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Q:

The sperms formed in testes are delivered through the ______ which unites with a tube coming from the urinary bladder.

A) ureter B) seminal vesicle
C) vas deferens D) urethra
 
Answer & Explanation Answer: C) vas deferens

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Q:

Which Vitamin is obtained from Sun rays?

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

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Q:

Which of the following function is performed by the kidneys in the human body?

A) Excretion B) Respiration
C) Digestion D) Transportation
 
Answer & Explanation Answer: A) Excretion

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