Carbon Dioxide and Carbon Monoxide

Q. Explain the process of respiration in plants.

Q. Deforestation leads to unwanted effects like ___________.
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i. loss of habitat for animals
ii. increased level of ${CO}_2$
iii. decrease in surrounding temperature
iv. cleaner place
v. global warming

1. i, ii, iii, iv
2. i, ii, v
3. ii, iii, v
4. i, iii, iv, v

Q.

Match the following:
$\begin{array}{cc}\text{Food material}& \text{Adulterant}\\ \text{a) Milk}& \text{i) Metanil yellow}\\ \text{b) Red chilly powder}& \text{ii) Fine iron fillings}\\ \text{c) Turmeric powder}& \text{iii) Brick dust}\\ \text{d) Rava}& \text{iv) Water}\end{array}$

1. a)-i, b)-ii, c)-iii, d)-iv

2. a)-ii, b)-iii, c)-i, d)-iv

3. a)-iv, b)-iii, c)-i, d)-ii

4. a)-iv, b)-iii, c)-ii, d)-i