Basic Science General Knowledge Questions for Competitive Exams
The sky appears blue due to its?
(A) Refraction of Light
(B) Reflection of Light
(C) Scattering of Light
(D) Diffraction of Light
Correct Answer : C
Refraction of light is responsible for:
(A) Shadow formation
(B) Twinkling of stars
(C) Blue color of the sky
(D) Rainbow
Correct Answer : B
Blood group was discovered by -
(A) Karl Landsteiner
(B) Pavlov
(C) Alexander Fleming
(D) William Harvey
Correct Answer : A
Penicillin is extracted from-
(A) Fungus
(B) Lichen
(C) Yeast
(D) Algae
Correct Answer : A
Pituitary gland is located in?
(A) Liver
(B) Intestine
(C) Brain
(D) Kidney
Correct Answer : C
Goiter / excessive growth of thyroid gland causes by the deficiency of:
(A) Calcium
(B) potassium
(C) Iodine
(D) Iron
Correct Answer : C
Which of the following is a water-Soluble vitamin?
(A) Vitamin B
(B) Vitamin A
(C) Vitamin D
(D) Vitamin K
Correct Answer : A
Explanation :
The water-soluble vitamins include ascorbic acid (vitamin C), thiamin, riboflavin, niacin, vitamin B6 (pyridoxine, pyridoxal, and pyridoxamine), folacin, vitamin B12, biotin, and pantothenic acid.
Which cells of our body are known as the protectors of the ' protectors of the human body ?
(A) red blood cells
(B) eosinophils
(C) Basophils
(D) White blood cells
Correct Answer : D
What is the instrument used to measure low temperature called?
(A) Hygrometer
(B) Cryometer
(C) Pyrometer
(D) Tachometer
Correct Answer : B
Waves used in radar systems are an example of which type of wave?
(A) micro waves
(B) infrared waves
(C) infrasonic waves
(D) none of these
Correct Answer : A
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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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