Top 100 Biology GK Questions
How do most insects respire?
(A) skin
(B) from cleome
(C) from the lungs
(D) from the nervous system
Correct Answer : D
The presence of funnel cells is a characteristic feature of ______
(A) Roundworms
(B) SpongeBob
(C) earthworms
(D) tongue worm
Correct Answer : B
Explanation :
Inside the plasma membrane is the cytoplasm, a fluid. It contains many specialized cell components called cell organelles. Each organelle performs a specific function for the cell.
Which of these animals have external and internal skeleton?
(A) Cockroach
(B) Earthworm
(C) Frogs
(D) Snake
Correct Answer : D
A disease that can be caused by the deficiency of nicotinic acid for a long time is?
(A) Beri-Beri
(B) Pellagra
(C) Scurvy
(D) anemia
Correct Answer : B
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
Artificial lighting?
(A) can destroy foliage
(B) may cause photosynthesis
(C) can synthesize foliar
(D) cannot be the cause of photosynthesis
Correct Answer : B
Light blue blood in arthropod animals can be due to
(A) Hemocyanin
(B) hemoglobin
(C) hemin
(D) Porphyrins
Correct Answer : A
Which of the following plants is not a collection organ of a stem?
(A) Sugarcane
(B) Ginger
(C) Potato
(D) Sweet potato
Correct Answer : D
Explanation :
Bryophytes. Bryophytes have no roots, leaves or stems. Moss and liverworts belong to this group. They are flowerless plants that grow in clumps.
Microbe can be seen by?
(A) with an empty eye
(B) Compound microscope
(C) by hand lens
(D) electron microscope
Correct Answer : B
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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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