1. A
   James Hargreaves
2. B
   John Kay
3. C
   Richard Arkwright
4. D
   Humphry Davy

Tap an option to check your answer.

1. A
   Singapore
2. B
   Shanghai
3. C
   Berlin
4. D
   Mandalay

Tap an option to check your answer.

1. A
   Jawaharlal Nehru
2. B
   Rajendra Prasad
3. C
   B. R. Ambedkar
4. D
   Alladi Krishnaswami Aiyar

Tap an option to check your answer.

1. A
   4-1-3-2
2. B
   4-3-1-2
3. C
   3-1-2-4
4. D
   1-2-4-3

Tap an option to check your answer.

1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

Tap an option to check your answer.

1. A
   Due to segregation of minerals into wavy bands or platy surfaces, some metamorphic rocks develop foliations.
2. B
   Where the foliations develop into broad mineral bands, the metamorphic rock is extremely hard.
3. C
   Where the foliations are moderately thin, the metamorphic rock tends to flake apart.
4. D
   Rocks that originally were composed of one dominant mineral are often foliated by metamorphism.

Tap an option to check your answer.

1. A
   Gutenberg
2. B
   Mohorovicic
3. C
   Conrad
4. D
   Repetti

Tap an option to check your answer.

1. A
   Kampala, Uganda
2. B
   St. Petersburg, Russia
3. C
   Madrid, Spain
4. D
   Stockholm, Sweden

Tap an option to check your answer.

1. A
   You will lose 12 hours
2. B
   You will gain 12 hours
3. C
   You will gain 24 hours
4. D
   You will lose 24 hours

Tap an option to check your answer.

1. A
   Morocco
2. B
   Algeria
3. C
   Mali
4. D
   Ghana

Tap an option to check your answer.

1. A
   paleoclimatology
2. B
   paleogeomorphology
3. C
   paleolithology
4. D
   paleogeography

Tap an option to check your answer.

1. A
   Parabola
2. B
   Logarithmic
3. C
   Straight line
4. D
   Exponential

Tap an option to check your answer.

1. A
   pressure
2. B
   distance
3. C
   time
4. D
   speed

Tap an option to check your answer.

1. A
   6 C
2. B
   0·6 C
3. C
   360 C
4. D
   36 C

Tap an option to check your answer.

1. A
   Ohm's law
2. B
   Joule's law of heating
3. C
   Faraday's laws of electromagnetic induction
4. D
   None of the above

Tap an option to check your answer.

1. A
   Ammeter
2. B
   Voltmeter
3. C
   Magnetic needle
4. D
   Motor

Tap an option to check your answer.

1. A
   Speed and velocity both are vector quantities.
2. B
   Speed and velocity both are scalar quantities.
3. C
   Speed is vector quantity and velocity is scalar quantity.
4. D
   Speed is scalar quantity and velocity is vector quantity.

Tap an option to check your answer.

1. A
   Cu and Zn
2. B
   Cu and Sn
3. C
   Zn and Mg
4. D
   Fe and Cu

Tap an option to check your answer.

1. A
   Potassium permanganate
2. B
   Blue vitriol
3. C
   Washing soda
4. D
   Mohr's salt

Tap an option to check your answer.

1. A
   tartaric acid
2. B
   citric acid
3. C
   ethanoic acid
4. D
   methanoic acid

Tap an option to check your answer.

1. A
   hydrogen gas
2. B
   chlorine gas
3. C
   carbon dioxide gas
4. D
   oxygen gas

Tap an option to check your answer.

1. A
   5
2. B
   4
3. C
   2
4. D
   3

Tap an option to check your answer.

1. A
   condensation
2. B
   precipitation
3. C
   deposition
4. D
   evaporation

Tap an option to check your answer.

1. A
   sublimation
2. B
   evaporation
3. C
   condensation
4. D
   precipitation

Tap an option to check your answer.

1. A
   alkanes
2. B
   alkenes
3. C
   alkynes
4. D
   cycloalkanes

Tap an option to check your answer.