Interesting Biology Questions and Answers
In which of the following kidney-shaped guard cells are present?
(A) in dicot plants
(B) in monoecious plants
(C) both of the above
(D) in algae
Correct Answer : A
Explanation :
In dicots, the guard cells are kidney bean shaped. The inner wall of guard cell surrounding the stomata are thicker than the outer wall. In monocots, stomata are dumb-bell shaped with thick intervening walls.
Dumbbell-shaped gate-cells are present in?
(A) Groundnut
(B) Gram
(C) Wheat
(D) Mango
Correct Answer : C
The excretory pore in Paramecium is known as :
(A) Pharynx
(B) Cell mouth
(C) Cytophyse
(D) Cryptosphere
Correct Answer : C
The sugar which is not a disaccharide
(A) Lactose
(B) Galactose
(C) Sucrose
(D) Maltose
Correct Answer : B
The tissue from which the epidermis is formed is
(A) Dermatogen
(B) Valkutzen
(C) Rangbhan
(D) Gopakjan
Correct Answer : A
Which one of the following vitamins is essential for coagulation of blood?
(A) Vitamin A
(B) Vitamin B12
(C) Vitamin K
(D) Vitamin D
Correct Answer : C
Camel is a desert animal, that can live without water for many days, because
(A) it does not need water
(B) water is formed in the body due to oxidation of fat
(C) it has the water sac in the walls of the lumen of stomach
(D) All of the above
Correct Answer : D
Heart attack occurs due to :
(A) Bacterial attack on the heart
(B) Stopping of heart beat
(C) Lack of blood supply to the heart itself
(D) Impairment of heart’s working due to unknown reasons
Correct Answer : C
Yeast is an important source of
(A) Vitamin C
(B) Protein
(C) Vitamin B
(D) Invertase
Correct Answer : C
Deficiency of which one of the following causes xeroph thalmia
(A) Vitamin B3
(B) Vitamin B12
(C) Vitamin A
(D) Vitamin C
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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