Cellulose and starch both are made up of : 1) (+) – glucose 2) (–) – fructose 3) Both (a) and (b) given above 4) (+) – galactose ...

The time period of revolution of a geo-stationary satellite is : 1) 12 hrs. 2) 24 hrs. 3) 48 hrs. 4) 6 hrs.

With the rise of temperature, the viscosity of liquid : 1) Increases 2) Decreases 3) Remains unchanged 4) May increase or decrease depending on nature of liquid

Which of the following is a mechanical wave ? 1) Radio-waves 2) X-rays 3) Light waves 4) Sound waves

One Nanometer is equal to : 1) 10–9 m 2) 10–6 m 3) 10–10 m 4) 10–3 m

Electric conduction in a semiconductor takes place due to : 1) Electrons only 2) Holes only 3) Both electrons and holes 4) Neither electrons nor holes

Teflon is the common name of : 1) Polytetrafluoroethylene 2) Polyvinyl chloride 3) Polyvinyl fluoride 4) Dichlorodifluoro methane

Which pair of following is of Copper alloys ? 1) Brass and invar 2) Bronze and Nichrome 3) Brass and Bronze 4) None of the above

“Red Data Book” is published by : 1) USEPA 2) IUCN 3) WWF 4) IG-BP

In Uttarakhand, Oak-Rhododendron are characteristic plants of : 1) Sub-tropical forest 2) Sub-alpine forest 3) Temperate forest 4) All of the above