1.The Language of Science
Q. 1.Objective Questions :
Q.1. What is the special word for ‘top’ :
(A)Laptop (B) Apex
(C)Top (D)High
Q.2. What is the common word for ‘apex’ :
(a)high (b)Laptop
(c)top (d)low
Q.3 scientific word for ‘ top ‘ is :
(a)base (b)apex
(c)vertical (d)perpendicular
Q.4. Periphery means :
(a)internal boundary (b)external boundary
(c)flat (d)upright
Q.5. What is the special word for ‘slanting’ :
(a)oblique (b)lateral
(c)base (d)bottom
Q.6. What is the common word for ‘edge’ :
(a)periphery (b)bowl
(c)flat (d)at the side
Answer – 1.B , 2 .a , 3.B , 4.b , 5.A ,6.A.
2.Desalination or the Desalting Processe
Q.1. He couldn’t ……such a luxury .
(a) Consumption (b)Reference
(c) Afford (d)Vapour
Q.2.One word for ‘something new that is ‘introduced ‘ is :
(a) Spam (b)crystal
(c) exorbitant (d)innovation
Q.3. Removing of salt from sea water is :
(a)innovation (b)desalination
(c)saline (d)render
Q.4. Substance that destroys slowly by chemical action is called :
(a)spam (b)corrosive
(c)non-corrosive (d)crystal
Q.5. Saline means :
(a)salty (b)brine
(c)condense (d)cistern
Answer -1.c ,2.d ,3.b ,4.b ,5.a
3.Safety Practices
Q.1.Adequate means :
(a)satisfactory (b)act of stopping
(c)helping (d)public money
Q.2. Prevention means :
(a)stopping (b)act of not doing
(c)replenish (d)act of well being
Q.3. The meaning of the word ‘Prevention ‘is :
(a)act of not doing (b)act of stopping
(c)act of illness (d)act of well being
Q.4. one word for a mischievous trick is :
(a)horseplay (b)prank
(c)distract (d)scuffle
Q.5.something insufficient means :
(a)inadequate (b)accumulate
(c)enhance (d)further
Q.6. what do you mean by scuffle :
(a) Awerness (b)distract
(c)hazard (d)confused fight or struggle
Q.7. What do you mean by ‘horseplay’ :
(a)noisy fun or play (b)a mischievous trick
(c)wrong understanding (d)none of the above
Answer- 1.a,2.a ,3.b ,4.b ,5.a ,6.d ,7.a.
4.Non-conventional sources of Energy
Q.1.Biogas is a :
(a)renewable source (b)Non-renewable source
(c)renewable/non-renewable (d)None
Q.2.The place where things are or may be stored :
(a)replenish (b)reservoir
(c)respository (d)fertilizer
Q.3.what do you mean by ‘artificial manure ‘ :
(a)stabilizer (b)fertilizer
(c)man hour (d)map
Q.4.The sun is the source of…………. Energy .
(a)tidal and wave (b)solar
(c)biogas (d)biomass
Answer- 1.a ,2.c ,3.b ,4.b.