Tag: the journey of seeds

1. Cucumber needs insects like bees or other insects to disperse their seeds.
2. Balsam seeds use explosion mechanism for seed dispersal.T he fruits are dry and light and easily ruptured even touch by hands.
3. Xanthium also uses animals for seed dispersal the seed stuck to the body of animals and are very tough to remove.
4. Calotropis widely use bees as the carrier for the dispersal of seeds.

The seeds or fruits that are dispersed by wind generally are small and light. However, there are certain other adaptions also seen in it. Moringa (drumstick) seeds have wing-like structures that aid in their dispersal. Other seeds which have similar structure are Cinchona and Pinus. Thus, the correct answer is option A.

Pipal tree is the dwelling place of birds. The birds consuming the fruit digest the freshly part and eject the undigested seed along with the undigested matter.

Dispersal of seeds in poppy occurs by censer mechanism. In this mechanism, the seeds are scattered after dehiscence of fruit occur when it is shaken by the wind. 

In pollination, pollinators play a major role and different plants adopt different methods to pollinate themselves.

Bacterial blight of rice is a seed borne disease which is transmitted to paddy. Seedlings when raised under high humid conditions. This disease is caused by Xanthomonas oryzae.

Endospermic (albuminous) seeds are those where the endosperm is retained in the mature seed to provide nutrition for the seedling. Castor is a classic example of an endospermic seed.

The development of the proembryo typically follows a specific sequence: initial vertical divisions, followed by transverse divisions, and then periclinal divisions to differentiate the layers.

Sporangiospores are non-motile spores produced inside the sporangia. They are generally dispersed by wind and germinate to produce new mycelium (e.g., Rhizopus, Mucor, etc.) In Chlamydomonas and Ulothrix, zoospores are formed.