Question

Read the following statements regarding phases of growth:
A. Meristematic phase involves active cell division.
B. Elongation phase involves vacuolation and cell enlargement.
C. Mature cells attain maximum size and differentiation.
Choose the correct answer from the options given below:

• A. Only A and B are correct
• B. Only B and C are correct
• C. Only A and C are correct
• D. A, B and C are correct Correct Answer: (D) A, B and C are correct

Hint:

When answering questions about plant growth phases, trace the structural changes mentally: Cell Division (A) naturally creates a tiny new cell $\rightarrow$ Vacuolation (B) stretches that tiny cell out like a balloon $\rightarrow$ Differentiation (C) thickens its walls to fix it into its final adult form. This logical flow helps confirm that all three descriptions are true!

Answer 1

The Correct Option is D

Step 1: Check statement A.
In the meristematic phase the cells keep dividing again and again. So saying it involves active cell division is correct.

Step 2: Check statement B.
In the elongation phase cells build big vacuoles and take in water, so they swell and grow. This is true too.

Step 3: Check statement C.
In the maturation phase cells reach their full size and change into special shapes for special jobs. So mature cells reaching maximum size with differentiation is correct.

Step 4: Pick the option.
All three statements are true, so the answer is option 4.
\[ \boxed{\text{A, B and C are correct}} \]