General Science Questions (MCQs) for Competitive Examinations

General Science Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App

31. The main use of salt in the diet is to ____:
[A] Produce in small amounts the hydrochloric acid required for the digestion of food
[B] Increase the solubility of the food particles in water
[C] Ease the process of cooking
[D] Make the taste of the food better

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32. Oxygen liberated during photosynthesis is coming from _____:
[A] Water
[B] Atmosphere
[C] Carbon dioxide
[D] Breakdown of chlorophy II

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33. Organs having different structure and components but perform similar functions are called ____:
[A] Heterogeneous organs
[B] Analogous organs
[C] Homogenous organs
[D] Homologous organs

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34. Potato is an example of ____:
[A] Tuber
[B] Corms
[C] Bulb
[D] Rhizome

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35. What is the distinctive characteristic of marsupials?
[A] They hibernate in winter
[B] They lay eggs
[C] They migrate from one place to another
[D] They carry young ones in pouches

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36. Which of the following disease is caused by bacteria?

[A] Dengue fever
[B] AIDS
[C] Tuberculosis
[D] Common cold

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37. In which of the following organs of human body are carbohydrates stored as glycogen?
[A] Stomach
[B] Small intestine
[C] Liver
[D] Large intestine

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38. The main function of palisade parenchyma in leaf is _____:
[A] Pollutants
[B] Antibiotics
[C] Hormones
[D] Toxins

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39. In a human body, the longest bone is in the _____:
[A] Arm
[B] Thigh
[C] Rib cage
[D] Vertebral column

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40. Uric acid is chief nitrogenous waste of which of the following?
[A] Human
[B] Frogs
[C] Fishes
[D] Birds

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