The Fundamental Unit of Life — Science STD 9 — Question

Which of the following is the high milk yielding variety of cow?

The nucleus has:

Which of the following is not an element?

1. Graphite.
2. Germaniumcc.
3. Silica.
4. Silicon.

Chlorophyll is present in:

1. Matrix.
2. Stroma.
3. Cristae.
4. Thylakoid.

White fibres of connective tissue are made up of:

Which of the following correctly represents 360g water?

1. 2 moles of H₂O.
2. 20 moles 0f water.
3. 6.022 × 10²³ molecules of water.
4. 1.2044 × 10²⁵ molecules of water.

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

Which of the following are Indian cattle?

1. Bos indicus.
2. Bos domestica.
3. Bos bubalis.
4. Bos vulgaris.

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

When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of:

Maximum milk yielding buffalo is:

The size of most of the cells is best expressed in: