Weight of the smallest seed is about

Options

A. 0.01 gm
B. 0.01 mg
C. 0.001 mg
D. 0.0001 mg.

Answer

To find the weight of the smallest seed, we can follow these steps:

1. **Identify the smallest seed**: The smallest seeds are produced by certain epiphytic orchids belonging to the family Orchidaceae.

2. **Understand the characteristics of the smallest seed**: These seeds do not contain endosperm and have an underdeveloped embryo.

3. **Measure the size of the seeds**: The size of these seeds is extremely small, measuring about 85 micrometers long, which is approximately 1/300 of an inch.

4. **Determine visibility**: Due to their tiny size, these seeds are below the resolving power of the human eye and cannot be seen without a microscope.

5. **Identify the weight of the smallest seed**: The weight of these seeds is approximately 0.0001 mg.

6. **Select the correct option**: Among the given options (0.01g, 0.01mg, 0.001mg, 0.0001mg), the correct answer is 0.0001 mg.

Final Answer: The weight of the smallest seed is about **0.0001 mg**.