AP ICET 25th July 2022 Shift-1

Instructions

Read the passage below and choose the correct answer for the questions.

Comprehension:
Carbon neutrality means having a balance between emitting carbon and absorbing carbon from the atmosphere in carbon sinks. Removing carbon dioxide from the atmosphere and then storing it is known as carbon sequestration. In order to achieve net zero emissions, all worldwide greenhouse gas (GHG) emissions will have to be counterbalanced by carbon sequestration.

Carbon sink is any system that absorbs more carbon than it emits. The main natural carbon sinks are soil, forests and oceans. According to estimates, natural sinks remove between 9.5 and 11 Gt of $$CO_2$$ per year. Annual global $$CO_2$$ emissions reached 38.0 Gt in 2019.

To date, no artificial carbon sinks are able to remove carbon from the atmosphere on the necessary scale to fight global warming.

The carbon stored in natural sinks such as forests is released into the atmosphere through forest fires, changes in land use or logging. This is why it is essential to reduce carbon missions in order to reach climate neutrality.

Question 141

Carbon sequestration involves _____________

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Question 142

A carbon sink emits less carbon than it ____________

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Question 143

The world today _________ sufficient carbon sinks to fight global warming

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Question 144

Reducing carbon emissions is important to

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Question 145

Which of the following is not an example of carbon sink?

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Instructions

For the following questions answer them individually

Question 146

If $$\left(\sqrt{\frac{2}{3}}\right)^x = \left(\sqrt{\frac{243}{32}}\right)^{\frac{x + 3}{2}}$$, then $$x^2 =$$

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Question 147

If $$\frac{8^5.(27)^4.6^3}{(64)^2.9^5.18^3} = 2^\alpha.2^\beta$$ then the quadratic equation for which $$\alpha$$ and $$\beta$$ are the roots is

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Question 148

The ratio of the present ages of a father and his son is 7 : 1 and the difference in their ages is 36 years. The ratio of their ages in the same order when the son reaches 20 years of age is

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Question 149

If $$5x = 4y$$, then $$3x : 2y =$$

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Question 150

$$\frac{1}{\sqrt{12 - 2\sqrt{35}}} - \frac{2}{\sqrt{10 + 2\sqrt{21}}} = $$

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