General science question in Hindi and English PDF download
General science question in Hindi and English PDF :- सामान्य विज्ञान के 20+ महत्वपूर्ण प्रश्नों को Hindi & English भाषा में इस e-book में शामिल किया गया है | इस e-book का download link नीचे में दिया गया है |
E-book Part – 2 :-
21. Which of the following never occurs singly in nature?
(1) Inertia (2) Momentum (3) Force (4) Velocity (3)
22. The resistance of a conductor is inversely proportional to its:
(1) length (2) resistivity
(3) temperature (4) area of cross section (4)
23. If ______is involved, even greater diversity will be generated.
(1) sexual reproduction (2) binary fission
(3) asexual reproduction (4) vegetative propagation (1)
24. The maximum number of electrons that can be accommodated in M shell is:
(1) 8 (2) 2 (3) 18 (4) 32 (3)
25. What are the receptors for detecting taste called?
(1) Sensory receptors (2) Chemical receptors
(3) Olfactory receptors (4) Gustatory receptors (4)
26. Which of the following is NOT a property of acids?
(1) Acids have sour taste (2) Acids have bitter taste
(3) Acids form salts with bases (4) Acids turn blue litmus red (2)
27. In the process of _______, the iron is protected by a coating of zinc.
(1) greasing (2) alloying (3) galvanization (4) anodizing (3)
28. A raised hammer possesses:
(1) Kinetic energy (2) Mechanical energy
(3) Muscular energy (4) Potential energy (4)
29. Tooth decay starts when the pH of the mouth is lower than:
(1) 5.7 (2) 5.5 (3) 5.6 (4) 5.4 (2)
30. A current I flows through a resistor. A source maintains a potential difference of V across the resistor. The energy supplied by the source in time is:
(1) VIt2 (2) VI (3) VIt (4) VI/t (3)
31. The boiling point of an alcohol is 78 oC. What is the temperature in Kelvin scale?
(1) 78 K (2) 341 K (3) 373 K (4) 351 K (4)
32. What is a tissue?
(1) Cells which are similar in origin, but dissimilar in form and function
(2) Cells which are dissimilar in origin, but are similar in form and function
(3) Cells which are dissimilar in origin, form and function
(4) Cells which are similar in origin, form and function (4)
33. A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?
(1) Diffused reflection (2) Total internal reflection
(3) Lateral inversion (4) Refraction (3)
34. If the resistance of a conductor is doubled, the current gets halved. This is because:
(1) I = V-R (2) I = (3) ½ I = n (4) I = VR (2)
35. When a compressed slinky is released it converts potential energy into:
(1) Heat energy (2) Mechanical energy
(3) Chemical energy (4) Kinetic energy (4)
36. When a ray of light travels from a denser medium to a rarer medium, it bends:
(1) towards the normal and speeds up
(2) towards the normal and slows down
(3) away from the normal and speeds up
(4) away from the normal and slows down (3)
37. The metal that can be cut with a knife is:
(1) Sodium (2) Iron (3) Aluminium (4) Copper (1)
38. Except Helium, all noble gases have how many electrons in the outermost shell?
(1) 4 (2) 8 (3) 6 (4) 10 (2)
39. Which of the following gases is used to prevent food material from getting oxidised?
(1) Oxygen (2) Chlorine (3) Nitrogen (4) Hydrogen (3)
40. ________reproduces by multiple fission.
(1) Plasmodium (2) Rhizopus (3) Yeast (4) Planaria (1)
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