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

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1. A
   When atmospheric pressure becomes equal to the vapour pressure
2. B
   When atmospheric pressure becomes less than vapour pressure
3. C
   When atmospheric pressure becomes higher than the vapour pressure
4. D
   When vapour pressure becomes equal to the air pressure

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1. A
   Ammonium cyanate
2. B
   Marsh gas
3. C
   Urea
4. D
   Cane sugar

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1. A
   Sulphuric acid
2. B
   Nitric acid
3. C
   Hydrochloric acid
4. D
   Phosphoric acid

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1. A
   Litmus is neutral towards ethanol
2. B
   Ethanol turns blue litmus to red; confirming acidic nature of ethanol
3. C
   Ethanol turns red litmus to blue; confirming basic nature of ethanol
4. D
   Ethanol decolorizes litmus through bleaching action

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1. A
   Iron
2. B
   Nickel
3. C
   Chromium
4. D
   Tin

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

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1. A
   Chlorophyll
2. B
   $\text{CO}_2$
3. C
   Water
4. D
   $\text{O}_2$

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1. A
   Seed germination
2. B
   Fruit formation
3. C
   Flower bud formation
4. D
   Pollen formation

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1. A
   Egg $\rightarrow$ zygote $\rightarrow$ embryo $\rightarrow$ seed
2. B
   Embryo $\rightarrow$ egg $\rightarrow$ zygote $\rightarrow$ seed
3. C
   Egg $\rightarrow$ embryo $\rightarrow$ zygote $\rightarrow$ seed
4. D
   Egg $\rightarrow$ seed $\rightarrow$ zygote $\rightarrow$ embryo

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1. A
   Ovule $\rightarrow$ fruit; egg $\rightarrow$ embryo; zygote $\rightarrow$ seed; ovary $\rightarrow$ egg
2. B
   Embryo $\rightarrow$ egg; ovary $\rightarrow$ fruit; ovule $\rightarrow$ zygote; zygote $\rightarrow$ seed
3. C
   Ovary $\rightarrow$ fruit; zygote $\rightarrow$ egg; embryo $\rightarrow$ ovule; seed $\rightarrow$ fruit
4. D
   Egg $\rightarrow$ zygote; zygote $\rightarrow$ embryo; ovule $\rightarrow$ seed; ovary $\rightarrow$ fruit

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1. A
   Indo-Tibetan Border Police
2. B
   Border Security Force
3. C
   Central Reserve Police Force
4. D
   Central Industrial Security Force

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

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1. A
   First Five Year Plan
2. B
   Second Five Year Plan
3. C
   Fifth Five Year Plan
4. D
   Seventh Five Year Plan

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1. A
   Hema Saraswati
2. B
   Madhav Kandali
3. C
   Tukaram
4. D
   Mukundaram Chakrabarti

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

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1. A
   Area wise Madhya Pradesh is the fourth largest state in India
2. B
   Hornbill festival is celebrated in Nagaland
3. C
   Gujarat state contribute 7·9 per cent share to the National GDP
4. D
   Telangana is situated in the Deccan plateau in the central stretch of Indian peninsula

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1. A
   Regur soil
2. B
   Laterite soil
3. C
   Desert soil
4. D
   Mountainous soil

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1. A
   Leh
2. B
   Kullu
3. C
   Almora
4. D
   Gangtok

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

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1. A
   Tarai
2. B
   Bhangar
3. C
   Bhabar
4. D
   Khadar

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

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

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1. A
   Three 3$\Omega$ resistors in parallel
   
2. B
   Two 3$\Omega$ resistors in parallel
   
3. C
   Two 1$\Omega$ resistors in series
   
4. D
   Three 1$\Omega$ resistors in series
   

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1. A
   Both kind of charges will stop moving
2. B
   Positive charges and negative charges will separate out
3. C
   Positive charges will stop but negative charges will continue moving uninterrupted
4. D
   Both kind of charges will keep moving uninterrupted

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