Science (Mixed) Quiz Based on NCERT for SSC 2016 Quiz

1. Bacteria which commonly lives in the intestine of human—
A. Corynebacterium
B. Escherichia coli
C. Bacillius coli
D. Vibrio choleral

2. Nails are made up of—
A. Chaffing
B. Chitin
C. Keratin
D. None of the above
3. Pulses are rich in ?
A. Protein
B. Carbohydrates
C. Vitamin
D. None of these
4. When a solution is separated from a solvent by a semipermeable membrane then phenomenon taking place is called—
A. Diffusion
B. Osmosis
C. Plasmolysis
D. None of the above
5. Which of the following depolarizer used in dry cell batteries?
A. NH4Cl
B. Potassium hydroxide
C. Manganese dioxide
D. Sodium triphosphide
6. Which of the following cell is a secondary cell?
A. Mercury cell
B. Ni cell
C. Dry cell
D. Fuel cell
7. Blood cells do not shrink in blood because blood is—
A. Isotonic
B. Hypotonic
C. Hypertonic
D. Equimolar
8. A closed bottle containing water at room temperature is taken to the moon and then the lid is opened. The water will—
A. not change at all
B. freeze
C. boil
D. decompose into hydrogen and oxygen
9. Study tissues called.
A. histology
D.None of these
10. It is easier to roll a stone up a sloping road than to lift it vertical upwards because
A. work done in rolling is more than in lifting
B. work done in rolling a stone is less than in lifting it
C. work done in both is same but the rate of doing work is less in rolling
D. work done in lifting the stone is equal to rolling it

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