Question

*प्रश्न 1. उपयुक्तम् उत्तरं (1) चिह्नन अङ्कनीयम्-
(i) गुरुगतां विद्यां कः अधिगच्छति?
(क) ब्रह्मचारी
(ग) शुश्रूषुः
(घ) मेधावी
(i) कुलं केन रक्ष्यते?
(ख) योगेन
(ग) मृजया
(घ) वृत्तेन
(iii) वृत्ततः हतः कीदृशः भवति?
(क) अमृतः
(ख) क्षीणः
(ग) हतः
(घ) अक्षीणः
उत्तर-(i) (ग), (ii) (घ), (iii) (ग)।
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Answer 1

Answer:

1-as bacteria, virus,

protozoa and we

river water when sewage is dumpe

2. Agricultural waste: The excess wa

mixes with the water bodies and t

contains many dissolved fertilisers

with the river water and contamin

fertilisers causes an excessive grow

plants. These cover the surface of

and dissolved oxygen. Thus, the w

of fish and other aquatic proanin

llution