How many of the following are the members of the family Fabaceae ?
Gram , belladonna, arhar , moong , potato , Indigofera , pea , tobacco , Sesbania

Options

A. five
B. six
C. seven
D. four

Answer

To determine how many of the listed plants belong to the family Fabaceae, we will analyze each plant one by one.

1. **Gram (Cicer arietinum)**: This is a legume and belongs to the Fabaceae family.

2. **Belladonna (Atropa belladonna)**: This plant belongs to the Solanaceae family, not Fabaceae.

3. **Arhar (Cajanus cajan)**: Also known as pigeon pea, this plant is a member of the Fabaceae family.

4. **Moong (Vigna radiata)**: This is a type of mung bean and is part of the Fabaceae family.

5. **Potato (Solanum tuberosum)**: This plant belongs to the Solanaceae family, not Fabaceae.

6. **Indigofera**: This genus includes plants that produce indigo dye and belongs to the Fabaceae family.

7. **Pea (Pisum sativum)**: This is a common garden pea and is a member of the Fabaceae family.

8. **Tobacco (Nicotiana tabacum)**: This plant belongs to the Solanaceae family, not Fabaceae.

9. **Sesbania**: This is a genus of flowering plants in the Fabaceae family.

Now, let's summarize the findings:

- Members of Fabaceae: Gram, Arhar, Moong, Indigofera, Pea, and Sesbania.
- Non-members: Belladonna, Potato, and Tobacco.

Counting the members of the Fabaceae family from the list, we find that there are **6 members**: Gram, Arhar, Moong, Indigofera, Pea, and Sesbania.

Thus, the answer to the question is **6**.