1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following amino acids is synthesized in our body?

A

Proline

B

Phenylalanine

C

Methionine

D

Valine

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Calculate the energy of photon in electromagnetic radiation having wavelength $400 \mathrm{~nm}\left(\mathrm{~h}=6.626 \times 10^{-34} \mathrm{Js} ; \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right)$.
A

$4.061 \times 10^{-19} \mathrm{~J}$

B

$4.969 \times 10^{-19} \mathrm{~J}$

C

$5.226 \times 10^{-19} \mathrm{~J}$

D

$4.118 \times 10^{-19} \mathrm{~J}$

3
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The conductivity of 0.1 M KCl solution at $23^{\circ} \mathrm{C}$ is $0.012 \Omega^{-1} \mathrm{~cm}^{-1}$.

Resistance of a cell containing the solution at same temperature was found to be $50 \Omega$. Calculate the cell constant.

A

$0.60 \mathrm{~cm}^{-1}$

B

$2.4 \times 10^{-4} \mathrm{~cm}^{-1}$

C

$6.0 \times 10^{-4} \mathrm{~cm}^{-1}$

D

$2.4 \times 10^{-2} \mathrm{~cm}^{-1}$

4
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

$60 \%$ of a first order reaction is completed in 60 minute. What is the time taken by reactant to decompose half of its original amount?

A

30.6 minute

B

20.2 minute

C

45.3 minute

D

60.1 minute