Biology Questions

Q:

What is full form of BOD?

A) Biological Oxygen Deficit B) Biological Oxygen Difference
C) Biological Oxygen Demand D) Biological Oxygen Distribution
 
Answer & Explanation Answer: C) Biological Oxygen Demand

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1 1871
Q:

The antibiotic penicillin is obtained from which of the following ?

A) synthetic process B) a bacterium
C) fungus D) virus infected cells
 
Answer & Explanation Answer: C) fungus

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3 1864
Q:

Which is the only one example of Mollusca Phylum?

A) Locust B) Butterfly
C) Scorpion D) Octopus
 
Answer & Explanation Answer: D) Octopus

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1 1861
Q:

The secretion from the prostate gland enters into the:

A) Kidney B) Ureter
C) Urethra D) Testis
 
Answer & Explanation Answer: C) Urethra

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4 1860
Q:

The exit of food from the stomach is regulated by a ______ muscle.

A) cardiac B) sphincter
C) skeletal D) No option is correct
 
Answer & Explanation Answer: B) sphincter

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1 1860
Q:

Nereis, Pheretima (Earthworm) and Hirudinaria (blood sucking leech) are examples of which Phylum?

A) Coelenterata B) Aschelminthes
C) Annelida D) Arthropoda
 
Answer & Explanation Answer: C) Annelida

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1 1854
Q:

A Phospholipid is a

Answer

A Phospholipid is a lipid molecule which has hydrophilic head and a hydrophobic tailand and is a main component in making of all cell membranes in which they two form a parallel layers called Phospholipid bilayer.

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2 1853
Q:

Which of the following disease is caused by female Anopheles mosquito?

A) Chicken Pox B) Malaria
C) Black Fever D) Cholera
 
Answer & Explanation Answer: C) Black Fever

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3 1851