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Friday 13 July 2012

SET SOLVED Q PAPER -1- 06/06/2012

1. THE SUN IN THE EARLY MORNING APPEARS TO RED. THIS IS DUE TO ?

A)TOTAL REFRACTION

B) INTERNAL DISPERSION

C) SCATTERING OF LIFE

D) TOTAL REFLECTION


See Answer:
2. THE SIDE VIEW MIRROR IN A CAR IS A ?

A.CONCAVE MIRROR

B. CONVEX MIRROR

C. PLAIN MIRROR

D. CONVEX LENS


See Answer:
3. WHICH IS THE FOLLOWING IS NOT A CHEMICAL CHANGE ?

A. SOURING OF MILK

B. CHARRING OF SUGAR

C. SUBLIMATION OF IODINE CRYSTALS

D. RUSTING OF IRON


See Answer:
4. EVAPORATION OF WATER FROM PLANTS IS KNOWN AS ?

A) DEHYDRATION

B) SUBLIMATION

C) TRANSPIRATION

D) VAPORISATION


See Answer:
5. THE ACID PRESENT IN LEMON ?

A) LINOLEIC ACID

B) HYDROCHLORIC ACID

C) CITRIC ACID

D) SULPHURIC ACID


See Answer:
6. BUILD UP OF LACTIC ACID IN MUSCLES CAUSES ?

A) FEVER

B) SWELLING

C) FAINTING

D) CRAMPS


See Answer:
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