Question :
Bacteriophage was discovered by
Option 1:
Felix d’Herelle and Frederick Twort
Option 2:
A.J. Kluyver and van Niel
Option 3: Paul R Ehrlich
Option 4: Burrill and Smith
Correct Answer:
Solution : The correct answer is Felix d’Herelle and Frederick Twort.
Bacteriophage is a virus that destroys bacteria. The term bacteriophage was coined by Felix d'Herelle in 1918 and was found by Felix d’Herelle and Frederick Twort in the year 1915. Bacteriophage is formed of a nucleic acid encapsulated by a protein structure.
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Which of the following has no blood, but respires?
Fish
Earthworm
Option 3: Hydra
Option 4: Cockroach
Which one of the following is not a function of the central bank in an economy?
Dealing with foreign exchange.
Controlling monetary policy.
Option 3: Controlling government spending.
Option 4: Acting as a banker’s bank.
The colour of the eye depends upon the pigment present in:
cornea
iris
Option 3:
rods
Option 4: cones
The concentration of which of the following decreases anaemia?
Haemoglobin
Collagen
Myoglobin
Option 4: Myosin
How many bones are there in the human body?
187
287
206
Option 4: 306
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