Improvement in Food Resources — Science STD 9 — Question

Which of the following is micronutrient?

1. Nitrogen
2. Phosphorus
3. Potassium
4. Boron

Fats are stored in human body as:

Which one is made of dead cells?

1. Sclerenchyma
2. Tracheids
3. Vessel
4. All the above

Presence of tissues in a multicellular organisms ensures:

The organelle found in prokaryotic cell is:

Ozone hole over Antarctica appears during:

1. Spring.
2. Summer.
3. Autumn.
4. Winter.

Simple tissues are these:

1. Parenchyma, xylem and collenchymas.
2. Parenchyma, collenchymas and sclerenchyma.
3. Parenchyma, xylem and sclerenchyma.
4. Parenchyma, xylem and phloem.

The mineral elements found in our bone making it hard, are:

Plants can be made disease-resistant by:

Which of the following statement is correct about fertilizer?

1. It is nutrient specific.
2. It is water insoluble.
3. It is readily absorbed by the plant.
4. It is compact and easy to transfer.