Important General Biology MCQs - 23

Important General Biology MCQs - 23

1.The SI unit of charge is __________?
(a) Ampere
(b) Coulomb ✓
(c) Ohm
(d) Volt

2. Very High Frequency (VHF) have __________ wavelengths?
(a) shorter ✓
(b) shortest
(c) longer
(d) longest

3. Long-sight defect could be corrected by using __________ lens?
(a) concave
(b) Convex ✓
(c) diverging
(d) none of these

4. Deficiency of Vitamin-A results in __________?
(a) Night blindness ✓
(b) rickets
(c) scurvy
(d) hair fall

5. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?
(a) also decrease
(b) increase ✓
(c) remains constant
(d) none of these

6. The lifespan of Red Blood Cells is __________ days?
(a) 60
(b) 120 ✓
(c) 180
(d) 240

7. The density of water is __________?
(a) 1 g/cm3 ✓
(b) 1.5 g/cm3
(c) 2 g/cm3
(d) None of these

8. Radioactivity was discovered by __________?
(a) Kelvin
(b) Thomson
(c) Rutherford
(d) Becquerel ✓

9. A device which converts chemical energy into electrical energy is called __________?
(a) motor
(b) generator
(c) moving-coil meter
(d) battery ✓

10. The Sun is a __________?
(a) Star ✓
(b) Planet
(c) Asteroid
(d) Meteor


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