Match List-I with List-II.
\[\begin{array}{|c|c|} \hline \text{List-I (Crop)} & \text{List-II (Variety)} \\ \hline \text{(A) Tomato} & \text{(I) Pusa Purple Long} \\ \hline \text{(B) Brinjal} & \text{(II) Kufri Chipsona-1} \\ \hline \text{(C) Mango} & \text{(III) Pusa Ruby} \\ \hline \text{(D) Potato} & \text{(IV) Amrapali} \\ \hline \end{array}\]
Choose the correct answer from the options given below:
Identify the part of the sentence that contains a grammatical error:
Each of the boys have submitted their assignment on time.
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world