SET EXAM SOLVED QUESTION PAPER 06-06-2010

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

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2. THE SIDE VIEW MIRROR IN A CAR IS A ?
A.CONCAVE MIRROR
B. CONVEX MIRROR
C. PLAIN MIRROR
D. CONVEX LENS

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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

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4. EVAPORATION OF WATER FROM PLANTS IS KNOWN AS ?
A) DEHYDRATION
B) SUBLIMATION
C) TRANSPIRATION
D) VAPORISATION

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5. THE ACID PRESENT IN LEMON ?
A) LINOLEIC ACID
B) HYDROCHLORIC ACID
C) CITRIC ACID
D) SULPHURIC ACID

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6. BUILD UP OF LACTIC ACID IN MUSCLES CAUSES ?
A) FEVER
B) SWELLING
C) FAINTING
D) CRAMPS

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