Cleistogamous flowers are
(a) Wind pollinated
(b) Self pollinated
(c) Cross pollinated
(d) Insect pollinated

Options

A. Wind pollinated
B. Self pollinated
C. Cross pollinated
D. Insect pollinated.

Answer

**Step-by-step Solution:**

1. **Understanding Cleistogamous Flowers**:
- Cleistogamous flowers are a type of flower that remains closed and does not open. This characteristic is crucial to understanding their mode of pollination.

2. **Identifying Pollination Types**:
- We need to analyze the options given:
- (a) Wind pollinated: This type involves flowers that are open and allow pollen to be carried by wind.
- (b) Self pollinated: This occurs when pollen from the same flower fertilizes its own ovules.
- (c) Cross pollinated: This involves pollen from one flower fertilizing the ovules of another flower.
- (d) Insect pollinated: This involves insects transferring pollen between flowers.

3. **Analyzing Cleistogamous Flowers**:
- Since cleistogamous flowers are closed, the stigma (female part) and stamen (male part) are in close proximity. This arrangement facilitates self-pollination because the flower does not need to open for pollen transfer.

4. **Conclusion**:
- Given that cleistogamous flowers are closed and allow for self-pollination, the correct answer is (b) Self pollinated.

5. **Examples of Cleistogamous Flowers**:
- Common examples include peanuts, peas, and beans, which further illustrate the concept of self-pollination in these flowers.

**Final Answer**: (b) Self pollinated.

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