The Fundamental Unit of Life — Science STD 9 — Question

Which of the following is incorrect for Rudolf Virchow?

Acne are caused by:

1. H₁N₁ virus.
2. Trypamosoma.
3. Staphylococcus.
4. Leishmania.

The element having atomicity ‘four’ is most likely to be:

1. Argon.
2. Fluorine.
3. Phosphorus.
4. Francium.

The interparticle attractive force ......... with increasing distance between particles:

Sounds having frequency more than 20,000 Hz are called:

Molecular formula of potassium nitrate is:

Growing two or more crops in definite row pattern is:

1. Mixed farming.
2. Mixed cropping.
3. Inter-cropping.
4. Crop rotation.

What is the basic unit of matter and is the smallest particle of an element?

The graph below shows the distance travelled and the time taken by four cars.
Which car travelled the slowest:

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.