General Science MCQ answers in Hindi for competitive exams
Q1 decreases due to the apparent depth of a coin inside a water tub
A.) Refraction of light. B) The reflection of light. C) total internal reflection. D) The dispersion of light
Correct Answer → Option A
Q2 Hematite is an ore
A.) Aluminum. B) Iron. C ) Zinc. D) Wed
Correct Answer → Option B.
Q3 According to Arrhenius NaOH is a base because:
A.) It has a bitter taste. B) It can neutralize acids. C ) It bleeds red litmus paper.
D )It gives OH-ion in water
Correct Answer → Option D
Q4 Blood clotting occurs due to
A.) Fibrin. B) Thrombin. C) Thromboplastin. D ) all of the above
Correct Answer → Option D
Q5. Green plants make food
A.) Photo-oxidation b.) Photorespiration. C )Photosynthesis. D) photolysis
Correct Answer → Option C
Q6. The image made in the compound microscope is
A.) erectile inverted B) sometimes straight, C ) sometimes upside down. D) None
Correct Answer → Option B.
Q7. The lens used in a simple microscope is
A.) Concave. B) Convex C) Cylindrical D ) None
Correct Answer → Option B.
Q8. To eliminate toxic nitrogen wastes and excess water in humans
A. ) Emission ... B ) Circulation. C ) Reproduction D ) Pollution
Correct Answer → Option A
Q9. S. I. Unit of refractive index is
A. Meter. B. CMC. C watt .D no unit
Correct Answer → Option D
Q10. Liquid is metal
A ) Bismuth. B) Magnesium. C ) Mercury. D) Sodium
Correct Answer → Option C
Q11. Which of the following is not a primary color
A.) Red. B) Blue. C) Green .D Yellow
Correct Answer → Option D
Q12 Endothermic reactions are those in which
A ) heat is developed. B) The heat is absorbed. C ) temperature increases. D ) light is generated
Correct Answer → Option B.
Q13. What color of light is least distracted
A. ) Red. B). Blue.C ) Violet.D) Green
Correct Answer → Option A
Q14. The acid present in gastric juice is
A.) Hydrochloric acid. B)-Citric acid. C) Sulfuric acid D) vinegar acid
Correct Answer → Option A
Q15. Which blood cells are called 'Soldiers' of the body
A.) W.B.S.B. B ) Platelets. C) RBC. D) all of the above
Correct Answer → Option A
