Advertisements
Advertisements
प्रश्न
Differentiate the following.
Pollen and Nectar
अंतर स्पष्ट करें
Advertisements
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. |
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Write down the desirable characters of bee variety suitable for bee keeping.
For increasing production, what is common in poultry, fisheries and bee-keeping?
What happens to the drones after mating flight?
Select the INCORRECT statement.
Which one of the following species of the honey bee is an Italian species?
Paddy, maize, green gram and black gram are ______ crops.
______ nutrients are needed in small quantity for plants and are called ______.
Types of pheromones which alert insects from any danger known as:
______ is the maintenance of bee colonies in modem hives.
How is the division of labor observed in honey bees?
