The term meristem was conined by
(a) C. negeli
(b) Mettenius
(c) Schuepp
(d) Schmidt

Options

A. C. negeli
B. Mettenius
C. Schuepp
D. Schmidt

Answer

To solve the question "The term meristem was coined by," we will follow these steps:

1. **Understand the term "meristem":**
- Meristem refers to a type of plant tissue that is capable of cell division and is responsible for the growth of the plant. It is derived from the Greek word "meristos," which means "divided" or "divisible."

2. **Identify the options given:**
- (a) C. Nageli
- (b) Mettenius
- (c) Schuepp
- (d) Schmidt

3. **Research the origin of the term:**
- The term "meristem" was coined in the context of plant biology. Historical records indicate that it was introduced by a scientist named C. Nageli in the year 1858.

4. **Evaluate the options:**
- Based on the historical context, we can determine that C. Nageli is the correct answer as he is credited with coining the term "meristem."

5. **Select the correct answer:**
- Therefore, the correct answer to the question is (a) C. Nageli.

### Final Answer:
The term meristem was coined by (a) C. Nageli.