Question

Class 8. Biology. SA-2. ( 2021)
Full mark_20. Time_45 m
1. Fill in the blanks . (1x5=5)
a) The _______divides repeatedly to give rise to an embryo .
b) Stamens and carpels are found in _______ flowers .
c) Testosterone is the _______hormone.
d ) ______ is the distance travelled by light in one year .
e) An odd combination of smoke and fog is called __________.
2. Matching the columns A and B (1X5=5)
A. B
Acid rain Dhruva Tara
Pole star Insulin
Great bear. Female organ
Pancreas Saptarishi
Ovary Sulphur dioxide
3 . Answer all questions. (2x2=4)
a) What is the metamorphosis ? Give examples .
b) What is sex determination in unborn baby?
4. Answer all questions.(3x2=6)
a) What are the different ways in which water gets contaminated ?
b) State the features of moon and mercury that have close resemblance.



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Answer 1

Answer:

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