Build a question paper in 60 seconds.

1. A
   Jaundice
2. B
   Tuberculosis
3. C
   Rabies
4. D
   Arthritis

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1. A
   One
2. B
   Two
3. C
   Three
4. D
   Four

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1. A
   $17\cdot5$ u
2. B
   $17$ u
3. C
   $16$ u
4. D
   $16\cdot5$ u

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1. A
   Hydrochloric acid
2. B
   Vinegar
3. C
   Milk
4. D
   Soda water

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1. A
   286 u
2. B
   106 u
3. C
   83 u
4. D
   53 u

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1. A
   $\text{C(s)} + \text{H}_2\text{O(g)}$
2. B
   $\text{CO(g)} + \text{H}_2\text{O(g)}$
3. C
   $\text{CO(g)} + \text{H}_2\text{(g)}$
4. D
   $\text{NO}_2\text{(g)} + \text{H}_2\text{(g)}$

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1. A
   less than 20 Hz
2. B
   between 20 Hz and 2 kHz
3. C
   between 2 kHz and 20 kHz
4. D
   greater than 20 kHz

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1. A
   depends upon the current in the wire
2. B
   depends upon the radius of the wire
3. C
   depends upon the temperature of the surroundings
4. D
   None of the above

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1. A
   $P' = P$
2. B
   $P' = 2P$
3. C
   $P' = P/2$
4. D
   $P' = P/4$

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1. A
   $1\text{ nm} = 10^{-1}\text{ Å}$
2. B
   $1\text{ nm} = 10\text{ Å}$
3. C
   $1\text{ nm} = 1\text{ Å}$
4. D
   $1\text{ nm} = 10^{-2}\text{ Å}$

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1. A
   Light Emitting Diode
2. B
   Light Emitting Device
3. C
   Light Enhancing Device
4. D
   Light Enhancing Diode

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1. A
   $1\cdot6 \times 10^{-19}$ J
2. B
   $1\cdot6 \times 10^{-16}$ J
3. C
   $1 \times 10^{-19}$ J
4. D
   $1 \times 10^{-16}$ J

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

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1. A
   Bef
2. B
   Bils
3. C
   Peh
4. D
   Chars

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

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1. A
   Temperature decreases with height in the stratosphere.
2. B
   Temperature is constant at different heights in the stratosphere.
3. C
   Temperature increases with height in the troposphere at an average rate of 6·5 °C per kilometre.
4. D
   Temperature decreases with height in the troposphere at an average rate of 6·4 °C per kilometre.

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1. A
   Thermocline
2. B
   Halocline
3. C
   Photic zone
4. D
   Pycnocline

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1. A
   Treatment with washing soda
2. B
   Calgon's method
3. C
   Boiling
4. D
   Ion exchange method

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1. A
   $3\text{Cu} + 8\text{HNO}_3\text{ (dilute)} \rightarrow$
2. B
   $\text{Cu} + 4\text{HNO}_3\text{ (conc.)} \rightarrow$
3. C
   $4\text{Zn} + 10\text{HNO}_3\text{ (dilute)} \rightarrow$
4. D
   $\text{Zn} + 4\text{HNO}_3\text{ (conc.)} \rightarrow$

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

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1. A
   All carbons in diamond are linked by carbon-carbon single bond.
2. B
   Graphite is layered structure in which layers are held together by weak van der Waals forces.
3. C
   Graphite layers are formed by hexagonal rings of carbon atoms.
4. D
   Graphite layers are held together by carbon-carbon single bond.

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1. A
   Solid carbon dioxide
2. B
   Liquid carbon dioxide
3. C
   Liquid nitrogen
4. D
   Liquid ammonia

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1. A
   pancreatic juice
2. B
   duodenal secretion
3. C
   large intestine secretion
4. D
   bile juice

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1. A
   left auricle
2. B
   left ventricle
3. C
   right auricle
4. D
   right ventricle

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1. A
   water
2. B
   carbon dioxide
3. C
   oxygen
4. D
   light

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