Question

1. Which of the following causes acid rain?
(a) Carbon Dioxide
(b) Sulphur Dioxide
(c) Carbon Monoxide
(d) Oxides of sulphur and nitrogen.


2. Which of the following is not a unicellular organism?
(a) Yeast
(b) Euglena
(c) Paramecium
(d) None of these

3. The image formed by plane mirror is:
(a) erect
(b) inverted
(c) virtual
(d) virtual amd erect

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Answer 1

Answer:

1) d- oxides of sulphur and nitrogen

2)d- none of these

3)d-virtual and erect

Answer 2

Answer:

${ \huge{ \red{1. \: Sulphur Dioxide}}}$

${ \huge{ \orange{2. \: None of these}}}$

${ \huge{ \blue{3. \: virtual}}}$

1. Which of the following causes acid rain?

(a) Carbon Dioxide

(b) Sulphur Dioxide

(c) Carbon Monoxide

(d) Oxides of sulphur and nitrogen.

2. Which of the following is not a unicellular organism?

(a) Yeast

(b) Euglena

(c) Paramecium

(d) None of these

3. The image formed by plane mirror is:

(a) erect

(b) inverted

(c) virtual

(d) virtual amd erect

Explanation:

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