1
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the air pollutant which in high concentration leads to stiffness of flower buds?

A

$\mathrm{CO}_2$

B

$\mathrm{SO}_2$

C

CO

D

$\mathrm{CH}_4$

2
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Consider the following.

Assertion (A) : CO is poisonous to living beings.

Reason (R) : CO binds to haemoglobin forming carboxyhaemoglobin, which is less stable than oxygen-haemoglobin complex.

Correct answer is

A

A and R both are correct and R is the correct explanation for A .

B

A and R both are correct and R is not the correct explanation for A .

C

A is correct, but R is not correct.

D

A is not correct, but R is correct.

3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is lung irritant?
A
CO
B
$\mathrm{NO}_2$
C
$\mathrm{CO}_2$
D
$\mathrm{CH}_4$
4
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Match the pollutant is List I with its maximum permissible limit in drinking water given in List II

List I List II
A Lead I 500 ppm
B Sulphate II 50 ppm
C Nitrate III 50 ppb
A
$\mathrm{A}-\mathrm{II}, \mathrm{B}-\mathrm{III}, \mathrm{C}-\mathrm{I}$
B
A-II, B-I, C-III
C
A-III, B-I, C-II
D
A-III, B-II, C-I

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