Inflorescene of Pisum consists of 20 flowers. Each anther lobe consists 80 Pollengrains. Calculate the total number of pollen grains formed in large staminal bundles of flower in that plant

Options

A. 32000
B. 14400
C. 28800
D. 64000

Answer

To calculate the total number of pollen grains formed in the large staminal bundles of flowers in Pisum (pea plant), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the number of flowers**:
The inflorescence consists of 20 flowers.

2. **Determine the number of anthers per flower**:
Each flower of Pisum has 10 anthers.

3. **Calculate the total number of anthers**:
Total anthers = Number of flowers × Number of anthers per flower
\[ \text{Total anthers} = 20 \, \text{flowers} \times 10 \, \text{anthers/flower} = 200 \, \text{anthers} \]

4. **Determine the number of lobes per anther**:
Each anther has 4 lobes.

5. **Calculate the total number of lobes**:
Total lobes = Total anthers × Number of lobes per anther
\[ \text{Total lobes} = 200 \, \text{anthers} \times 4 \, \text{lobes/anther} = 800 \, \text{lobes} \]

6. **Determine the number of pollen grains per lobe**:
Each lobe contains 80 pollen grains.

7. **Calculate the total number of pollen grains**:
Total pollen grains = Total lobes × Number of pollen grains per lobe
\[ \text{Total pollen grains} = 800 \, \text{lobes} \times 80 \, \text{pollen grains/lobe} = 64,000 \, \text{pollen grains} \]

### Final Answer:
The total number of pollen grains formed in the large staminal bundles of flowers in Pisum is **64,000**.

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