DRDO Model Paper on General Science for Technician Post
| 1 | Which of the following metals remain in liquid for under normal conditions?
(a) Radium (b) Zinc (c) Uranium (d) Mercury |
| 2 | Which among the following was first human-made plastic?
(a) Bakelite (b) Polyethene (c) Celluloid (d) Nylon |
| 3 | Gypsum is added to Cement so that, _________?
(a) setting of cement can be fastened (b) setting of cement can be slowed (c) Cement strength can be improved (d) Cement strength can be controlled |
| 4 | Why does ice covered in sawdust not melt quickly?
(a) Sawdust does not allow the air to touch the ice (b) The water is absorbed by sawdust (c) Sawdust is a bad conductor of heat (d) Sawdust is good conductor of heat |
| 5 | There is a protocol signed to reduce production of CFC, known as –
(a) CFC Protocol (b) IR Protocol (c) Montreal Protocol (d) UV Protocol |
| 6 | Spiders belong to which class of animals?
(a) Arachnids (b) Aves (c) Gastropods (d) Anthozoa |
| 7 | Super cooling is cooling of liquid _____.
(a) Below melting point (b) Below freezing point (c) At melting point (d) Above melting point |
| 8 | The rubbing surface of a matchbox has powdered glass and a little red ________________.
(a) Antimony (b) Arsenic (d) Silicon (d) Phosphorus |
| 9 | Night blindness is caused by the deficiency of
(a) Vitamin C (b) Vitamin A (c) Vitamin K (d) Vitamin B |
| 10 | Farad is a unit of _____
(a) Capacitance (b) Reactance (c) Electric Charge (d) Electric conductance |
| 11 | Which of the following is used in rubber synthesis?
(a) Acetylene (b) Isoprene (c) Ammonia (d) Ethylene |
| 12 | If the diameter of a capillary is doubled then the rise of water in it will be
(a) two times (b) half (c) four times (d) No change |
| 13 | An ant can see the objects all around due to the presence of ?
(a) Simple eyes (b) Eyes over head (c) Well developed eyes (d) Compound eyes |
| 14 | As you go down into a well, your weight
(a) increases slightly (b) decreases slightly (c) remains exactly the same (d) None of these |
| 15 | A tree’s age can be found by?
(a) counting the number of annual rings (b) counting the number of branches (c) measuring its height (d) measuring its girth |
Answer –
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| d | c | b | c | c | a | b | d | b | a | b | b | d | b | a |
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