Page 2 - Home Assignment
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7. The life span of a May fly is-
a) 100 days
b) 10 days
c) 1 day
d) 1000 days
8. Plants release ______ after respiration process.
a) Oxygen
b) Hydrogen
c) Nitrogen
d) Carbon dioxide
9. The process of removal of metabolic wastes from the body istermed as-
a) Respiration
b) Photosynthesis
c) Absorption
d) Excretion
10. This is the form of waste thrown out of our body through skin.
a) Urine
b) Faeces
c) Sweat
d) Water
Subjective
SN Questions Marks Skill
Q.1 Howis the mode of reproduction different in a lion and a 1 E
snake?
Q.2 Define Reproduction. 1 E
Q.3 Plants do not sweat or pass urine- how then do they get rid 3 Av
ofexcesswater? Name the gaseous by-products in plants.
Q.4 Distinguish between living and non-living things on the 3 Av
basisof-
a) Excretion b) Reproduction c) Life span
Q.5 Name three products that are excreted by plants but 3 D
commercially used by man. Also, state the purpose for
which they are used.
Q.6 a) What is life span? What could be the consequences 3 D
if the living organisms do not die?
b) Why do living organisms reproduce? What are the
different ways by which they do so?
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