Science [2 Mark Questions]

Diagram: Structure of a neuron

a. End of the dendritic tip
b. Axon
c. Nerve ending

The above statement can be supported by two facts -
- Recently, its been a trend to use disposable materials like cups, plates, spoons etc. in marriages and parties. These are usually made up of non biodegradable substances like plastic and styrofoam which eventually result in polluting our environment.
- Another example is the use of disposable plastic cups in trains. These leads to generation of a lot of plastic waste. However, they are being slowly replaced by paper cups to reduce the burden on the environment.

i. Recycling of wastes.
ii. Reduction at source.
iii. Better management.
iv. Vermicomposting.
v. Use of eco-friendly products such as disposable paper cups in place of plastic cups.

a. Reproductive parts of bread mould (Rhizopus) - Sporangium
Non-reproductive parts of bread mould (Rhizopus) - Hyphae
b. Two advantages of vegetative propagation:
i. Helps in growing seedless plants.
ii. Helps in preservation of the characters of the parent plant.