Science

The enzyme responsible for fat digestion is ………………………….

• a) Trypsin

• b) lipase

• c) pepsin

• d) losin

Platelets in our blood are concerned with………………………………

• a) Transport of materials

• b) clotting

• c) exchange of gases

• d) control and coordination

3. The type of nutrition in green plants is called……………………………..

• a) heterotrophic

• b) autotrophic

• c) saprobiotic

• d) phytotrophic

Villi helps to………………………………

• a) absorb food

• b) remove food

• c) digest food

• d) transportation

5. The type of nutrition in Amoeba

• a) holozoic

• b) parasitic

• c)saprophytic

• d) metrophytic

If current through a lamp is 5A , What charge pass in 10 second.

• a) 0.5C

• b) 2C

• c) 5C

• d) 50C

The p.d across a 3ohm resistor is 6V. The current flowing in the resistor will be

• a) 0.5A

• b) 1A

• c) 2A

• d) 6A

Keeping the p.d constant , the resistance of a circuit is halved. The current will become

• a) one-fourth

• b) four times

• c) half

• d) double

when an electric lamp is connected to a 12V battery , it draws a current of 0.5A. The power

Of the lamp is

• a) 0.5W

• b) 6W

• c) 12W

• d) 24W

How much energy does a 100W bulb transfer in 1 minute?

• a) 100J

• b) 600J

• c) 3600J

• d) 6000J