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प्रश्न
Differentiate the following.
Pollen and Nectar
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उत्तर
| Sr. No. | Pollen | Nectar |
| 1. | Pollen is a fine to a coarse powdery substance comprising pollen grains which are male microgametophytes of seed plants, which produce male gametes | It is a sweet viscous secretion secreted by the flower of plants. |
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संबंधित प्रश्न
Say true or false. If false, correct the statement.
Apis florea is a rock bee.
Assertion: Nuptial flight is a unique flight taken the queen bee followed by several drones.
Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.
Select the INCORRECT statement.
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A total of ______ nutrients are essential to plants.
______ and ______ are supplied by air to plants.
Types of pheromones which alert insects from any danger known as:
______ and ______ give sweet taste to the honey.
What is Bee wax?
A farmer was facing the problem of low yield from his farm. He was advised to keep a beehive in the vicinity. Why? How would the beehive help in enhancing yield?
