Biology Questions

Q:

Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?

A) Villi B) Mucus
C) Saliva D) Digestive Juices
 
Answer & Explanation Answer: B) Mucus

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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 type of epithelium is removed with a buccal swab?

Answer

The stratified squamous epithelial cells or the outer layer of epidermis is removed with a buccal swab.

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Q:

Which component in tobacco makes it harmful for human consumption?

A) Morphine B) Nicotine
C) Heroin D) None of these
 
Answer & Explanation Answer: B) Nicotine

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Q:

Which cells in pancreas produce Insulin ?

A) Thymus B) Estrogen
C) Corpus epididymis D) Islets of Langerhans
 
Answer & Explanation Answer: D) Islets of Langerhans

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Q:

Which blood group is universal donor?

A) O+ B) O–
C) AB– D) AB+
 
Answer & Explanation Answer: B) O–

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Q:

Psidium guajava is the scientific name of ___________.

A) Guava B) Mango
C) Bamboo D) Jack fruit
 
Answer & Explanation Answer: A) Guava

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Q:

Spiders belong to the phylum

A) Mollusca B) Annelida
C) Cnidaria D) Arthropoda
 
Answer & Explanation Answer: D) Arthropoda

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