Natural Resources — Science STD 9 — Question

Which of the following helps in repair of tissue and fills up the space inside the organ?

A group of similar freely inter-breeding organisms constitutes a:

1. Species.
2. Genera.
3. Family.
4. Class.

The end of a long bone is connected to another bone by:

1. Ligament.
2. Tendon.
3. Cartilage.
4. Connective tissue.

Bone and cartilage are types of:

Find out the correct sentence about manure.

1. Manure contains large quantities of organic matter and small quantities of nutrients.
2. It increases the water holding capacity of sandy soil.
3. It helps in draining out of excess of water from clayey soil.
4. Its excessive use pollutes environment because it is made of animal excretory waste.

1. (i) and (iii)
2. (i) and (iii)
3. (ii) and (iii)
4. (iii) and (iv)

Cell arises from pre-existing cell was stated by:

Milk does not provide:

Living organisms vary widely in size. However, even the largest organisms such as the giant redwood and the blue whale have cells that are roughly the same size as those in smaller organisms. Why are all cells small?

Select the most appropriate option.Eukaryotic cells have a dense double membrane-bound structure inside, called:

Which of the following statement is correct about fertilizer?