Improvement in Food Resources — Science STD 9 — Question

Name the stain which is commonly used to study plant cells.

Parenchyma which contains chlorophyll is called:

1. Collenchymas
2. Selerenchyma
3. Chlorenchyma
4. None of these

Find out the wrong statement from the following:

1. White revolution is meant for increase in milk production.
2. Blue revolution is meant for increase in fish production.
3. Increasing food production without compromising with environment quality is.
4. None of the above.

Generally, smaller the cell:

Which one of the following is not a part of nucleus?

Which of the following characteristic can be obtained when quality breeding is done?

Mitochondria are seats of:

Voluntary muscles are found in:

Growing different crops in the same field in a pre planned succession is:

1. Crop management.
2. Crop rotation.
3. Intercropping.
4. Plant breeding.

Run-off from fertilizer-rich crop-fields causes:

1. Turbidity of water bodies.
2. Precipitation of toxicants.
3. Eutrophication of water bodies.
4. Thermal pollution of water bodies.