1. A
   Gulf of Mannar, Nokrek, Panchmarhi and Simlipal
2. B
   Gulf of Mannar, Kanchanjunga, Nokrek and Seshachalam
3. C
   Nilgiri, Nokrek, Panchmarhi and Panna
4. D
   Nilgiri, Nokrek, Panchmarhi and Seshachalam

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1. A
   1 only
2. B
   2 and 3 only
3. C
   1 and 3 only
4. D
   1, 2 and 3

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1. A
   Vitamin A
2. B
   Vitamin D
3. C
   Vitamin E
4. D
   Vitamin K

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1. A
   Organic food
2. B
   Antacid
3. C
   Antibiotic
4. D
   Live microbial food supplement

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1. A
   Lactic Acid $\textit{Bacillus}$
2. B
   $\textit{Clostridium botulinum}$
3. C
   $\textit{Vibrio cholerae}$
4. D
   $\textit{Saccharomyces cerevisiae}$

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1. A
   Erwin Chargaff
2. B
   Maurice Hugh Frederick Wilkins
3. C
   Rosalind Franklin
4. D
   Phoebus Levene

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1. A
   the air pressure is less
2. B
   outside temperature is less
3. C
   latent heat is less
4. D
   None of the above

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1. A
   focuses light from the bulb onto nearby vehicles
2. B
   sends parallel rays
3. C
   fits well into the shape of the headlight
4. D
   is cheaper than other mirrors

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1. A
   Increase
2. B
   Decrease
3. C
   Remain exactly the same
4. D
   Increase or decrease cannot be predicted

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1. A
   time
2. B
   distance
3. C
   total amount of light falling on the Earth in a year
4. D
   average intensity of light falling on the Earth in a year

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1. A
   Satellite is kept in orbit by remote control from ground station.
2. B
   Satellite is kept in orbit by retro-rocket and solar energy keeps it moving around the Earth.
3. C
   Satellite requires energy from solar panels and solid fuels for orbiting.
4. D
   Satellite does not require any energy for orbiting.

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1. A
   Energy can be created as well as destroyed.
2. B
   Energy can be created but not destroyed.
3. C
   Energy can neither be created nor destroyed.
4. D
   Energy cannot be created but can be destroyed.

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1. A
   increasing electrical power
2. B
   decreasing electrical power
3. C
   decreasing voltage
4. D
   increasing voltage

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1. A
   X-rays
2. B
   Radio waves
3. C
   Light waves
4. D
   Microwaves

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1. A
   $\frac{11}{3}$ kg
2. B
   $\frac{3}{11}$ kg
3. C
   $\frac{4}{3}$ kg
4. D
   $\frac{3}{4}$ kg

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1. A
   more electropositive than iron
2. B
   cheaper than iron
3. C
   a bluish white metal
4. D
   a good conductor of heat and electricity

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1. A
   Oxygen
2. B
   Hydrogen
3. C
   Nitrogen
4. D
   Carbon dioxide

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1. A
   Cutting of hair
2. B
   Graying of hair naturally
3. C
   Swelling of resin in water
4. D
   Cutting of fruit

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1. A
   Calcium carbonate
2. B
   Calcium bicarbonate
3. C
   Sodium carbonate
4. D
   Sodium bicarbonate

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1. A
   It kills germs
2. B
   It dissolves the impurities
3. C
   It is a reducing agent
4. D
   It is an oxidizing agent

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

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1. A
   Ibn Battuta's $\textit{Rihla}$
2. B
   Francois Bernier's $\textit{Travels in the Mogul Empire}$
3. C
   Niccolao Manucci's $\textit{Storia do Mogor}$
4. D
   Tavernier's $\textit{Travels in India}$

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1. A
   Khwaja Moinuddin
2. B
   Baba Fariduddin Ganj-i-Shakar
3. C
   Nizamuddin Auliya
4. D
   Shaikh Bahauddin Zakariya

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1. A
   Satyagraha in Kheda
2. B
   Dandi March
3. C
   Satyagraha in Champaran
4. D
   Return from South Africa

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1. A
   Dispersion of light
2. B
   Interference of light
3. C
   Diffraction of light
4. D
   Scattering of light by atmospheric dust

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