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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:

The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The second stage is the ___________ stage.

A) Agar B) Leafy
C) Chlorella D) protonema
 
Answer & Explanation Answer: B) Leafy

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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:

......... reproduces by binary fission

A) Amoeba B) Liverfiuke
C) Plasmodium D) Planaria
 
Answer & Explanation Answer: A) Amoeba

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Q:

When a chromosome undergoes a deletion mutation information is

A) Repeated B) Lost
C) Reversed D) Transferred
 
Answer & Explanation Answer: B) Lost

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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:

Based on the common features like presence of notochord and dorsal hollow neural system, animals like fishes, amphibians, reptiles, birds along with mammals are included in which Phylum?

A) Mammalia B) Chordata
C) Primata D) Insecta
 
Answer & Explanation Answer: B) Chordata

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Q:

Leptospirosis is a disease caused by

A) Virus B) Fungus
C) Protozoa D) None
 
Answer & Explanation Answer: D) None

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