1
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the following } $$

List-I
(Metal in drinking water)
List-II
(Maximum prescribed concentration in ppm)
(A) Mn (I) 0.05
(B) Zn (II) 3.0
(C) Cd (III) 0.005
(D) Cu (IV) 5.0

The correct answer is

A

A-IV, B-II, C-I, D-III

B

A-I, B-III, C-IV, D-II

C

A-III, B-II, C-IV, D-I

D

A-I, B-IV, C-III, D-II

2
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

$\mathrm{CH}_4$

3
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.

4
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
$\mathrm{CH}_4$

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