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

1. A spherical mirror to be made from a cut portion of- 
(a) hollow sphere of glass
(b) solid sphere of plastic
(c) solid sphere of glass
(d) hollow sphere of metal

2. The relation between focal length f and radius of curvature R for a spherical mirror is-
(a) f = 2R
(b) f = R/2
(c) f = R/4
(d) f =2R 
3. During evaporation, the particles of liquid evaporate from – 
(a) The bulk of liquid 
(b) surface only 
(c) the surface and bulk of liquid 
(d) none of them
4. As per sign convention , the focal length of a concave mirror isβ€”
(a) negative
(b) positive
(c) not certain
(d) positive or negative
5. In order to determine focal length of a concave mirror by obtaining the image of distant object on screen you need to measure the distance between-
(a) mirror and the screen
(b) object & screen
(c) mirror & object
(d) mirror & screen also between object and screen
6. Which of the following statements is not correct – 
(a) The density of ice is less than the density of water. 
(b) To convert a temperature on the Kelvin scale to Celsius scale, subtract 273 from the given temperature. 
(c) To convert a temperature on the Celsius scale to Kelvinscale, subtract 273 to the given temperature. 
(d) Vaporisation of a liquid causes cooling.
7. For a plane mirror, the value of focal length is-
(a) anything between zero & infinity 
(b) infinity
(c) zero
(d) f = R 
8. Bone is an example of-
(a) Epithelial tissues
(b) Muscular tissues
(c) Connective tissues
(d) Nervous tissues
9. Oesophagus and the lining of the mouth are also covered with-
(a) Ciliated epithelium
(b) Striated muscle tissues
(c) Squamous epithelium
(d) Aerolar connective
10. Husk of coconut is made of which tissues?
(a) Xylem
(b) Sclerenchyma tissue
(c) Parenchyma tissue
(d) Collenchyma

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