Model Question — Environment Science (Class VII, Set 1)
Model Question
Class: vii
Science/ EVs
1. During heavy exercise, we get cramps in the legs due to the accumulation of
a) carbon dioxide b) lactic acid c) alcohol iv) water
2. Normal range of breathing rate per minute in an average adult person at rest is
a) 9-12 b) 15-18 c) 21-24 d) 30-33
3. Warer absorption through roots can be increased by keeping the plants
a) in the shade b) in dim light c) under the fan d) covered with a polythene bag
4. Mature ovary form
a) seed b) stamen c) pistil d) fruit
5. A virtual image larger than the object can be produced by a
a) concave lens b) concave mirror c) convex mirror d) plane mirror
6. A wooden spoon is dipped in a cup of ice cream. Its other end
a) becomes cold by the process of conduction
b) becomes cold by the process of convection
c) becomes cold by the process of radiation
d) does not become cold
7. One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the mixture will be
a) 80°C b) more than 50°C but less than 80°C c) 20°C d) between 30°C and 50°C
8. Fat is completely digested in the
a) stomach b) mouth c) small intestine d) large intestine
9. Cuscuta is an example of:
a) autotroph b) parasite c) saprotroph d) host
10. The basic unit of speed is
a) km/min b) m/min c) km/h d) m/s