Important Biology GK Questions
Desert plants have long roots because?
(A) High soil temperature encourages roots to elongate
(B) Roots are long in search of water
(C) There is no water in the land. Therefore, it hardens and puts pressure on the roots, due to which it becomes elongated.
(D) Roots grow in the opposite direction to the heat of the sun
Correct Answer : B
Explanation :
A desert is a terrestrial habitat that is very dry and receives very little rainfall annually. Desert plants have deep long roots to absorb water deep below the surface of the ground.
Tears come when peeling onions, because onions expel?
(A) Sulfonic acid
(B) Sulfenic acid
(C) amino acids
(D) Carbolic acid
Correct Answer : B
Hormones are different from Vickers because?
(A) Hormones are found only in animals
(B) Hormones are found only in plants
(C) Hormones are not used in metabolic activities
(D) Hormones are fully used in metabolic activities
Correct Answer : D
The yeast used in making bread is?
(A) acts as a catalyst for fermentation
(B) does not help in the process of fermentation
(C) acts as a protector
(D) makes it tastier
Correct Answer : A
Who invented penicillin?
(A) Ian Fleming
(B) Alexander Fleming
(C) Stephen Hawking
(D) Alexander
Correct Answer : B
Which of the following virus was first discovered?
(A) Polio
(B) HTLV
(C) TMV
(D) HIV
Correct Answer : C
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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