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

1. A Gold Ring which is 50% pure. Its purity can be alternatively shown as __:
[A] 18 Carat
[B] 18 Karat
[C] 12 Carat
[D] 12 Karat

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2. Which of the following is correct about effective nuclear charge experienced by the orbital?
[A] it increases with increase of azimuthal quantum number
[B] it increases with increase of magnetic quantum number
[C] it decreases with increase of azimuthal quantum number
[D] It is same everywhere

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3. After whom is the chemical element with atomic number 102 named?
[A] Charles Darwin
[B] Albert Einstein
[C] Alfred Bernhard Nobel
[D] Isaac Newton

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4. The suicidal bags of the cell are
____:
[A] Ribosomes
[B] Lysosomes
[C] Phagosomes
[D] Dictyosomes

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5. Chicken Pox is caused by which micro-organism?

[A] Virus
[B] Bacteria
[C] Protozoa
[D] Fungus

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6. Saprophytes are the organisms which depend for food on
____:
[A] Inorganic chemical compounds
[B] Living plants
[C] Living animals
[D] Dead and decaying material

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7. Protein part of enzyme is known as ____:
[A] Isoenzyme
[B] Holoenzyme
[C] Apoenzyme
[D] All of the above

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8. Which among the following has open circulatory system?

I. Cockroach
II. Human
III. Prawn

[A] I and II
[B] I and III
[C] II and III
[D] Only III

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9. Preserved traces of living organisms retained in the form of impressions of the body parts in the soil are called ____:
[A] Specimen
[B] Phylogeny
[C] Fossils
[D] Antique

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10. Activity of an enzyme can be modulated by change of
____:
[A] pH
[B] Light
[C] Humidity
[D] Rainfall

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