Question

Given below are two statements:
Statement (I): Transportation in organisms and animals occurs by diffusion and by passive transport between the cells.
Statement (II): This mechanism is suitable where the surface area of body is large and the distance between parts of the body in the organism is small.
In light of the above statements, choose the most appropriate answer from the options given below.

• A. Statement (I) is correct but Statement (II) is incorrect.
• B. Statement (I) is incorrect but Statement (II) is correct.
• C. Both Statement (I) and (II) are correct.
• D. Both statement (I) and (II) are incorrect.

Hint:

Diffusion works only over short distances, so it cannot be the general transport method for large organisms.

Answer 1

The Correct Option is B

Step 1: Understanding the Concept
Diffusion is slow and works over only a few cells. Large plants and animals need bulk flow through a transport system.

Step 2: Statement I
Statement I is false. Diffusion and passive transport from cell to cell are enough only in unicellular and very simple organisms. Larger organisms need vascular tissue or blood circulation.

Step 3: Statement II
Statement II is true. Diffusion-based transport suits organisms whose body surface is large compared to volume and in which every part lies a short distance from the surface.

Final Answer:
Statement I is incorrect and Statement II is correct. \[ \boxed{\text{(B) }\text{Statement (I) is incorrect but Statement (II) is correct.}} \]