Q. Which one of the following devices is non-ohmic ?
1) Conducting copper coil
2) Electric heating coil
3) Semi conductor diode
4) Rheostat
Q. Which one of the following is the natural phenomenon based on which a simple periscope works ?
1) Reflection of light
2) Refraction of light
3) Dispersion of light
4) Total internal reflection of light
Q. Which one of the following frequency ranges is sensitive to human ears ?
1) 0 - 200 Hz
2) 20 - 20,000 Hz
3) 200 - 20,000 Hz only
4) 2,000 - 20,000 Hz only
Q. Which of the following properties is true for a tooth paste ?
1) It is acidic
2) It is neutral
3) It is basic
4) It is made up of Calcium phosphate, the material of tooth enamel
Q. Which one of the following gives the highest amount of hydrogen ions (H+) ?
1) Sodium hydroxide solution
2) Milk of magnesia
3) Lemon juice
4) Gastric juice
Q. Which one of the following is Not a tributary of Indus River ?
1) Beas
2) Ravi
3) Chenab
4) Tawi
Q. Which one among the following is the largest tiger reserve of India in terms of area of the core/ critical tiger habitat ?
1) Manas
2) Pakke
3) Nagarjunasagar Srisailam
4) Perivar
Q. Which one of the following is not a coastal depositional feature ?
1) Tombolo
2) Sand bar
3) Stack
4) Spit
Q. Which of the following is/ are coastal erosional feature(s) ?
1. Notch 2. Sea Arch 3. Cliff 4. Hook
Select the correct answer using the code given below :
1) 1, 2 and 3
2) 2, 3 and 4
3) 2 and 3 only
4) 1 only
Q. Chemical weathering of rocks is much greater in a place with -
1) cold and dry climate
2) hot and humid climate
3) hot and dry climate
4) cold and humid climate
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