Improvement in Food Resources — Science STD 9 — Question

A 5 percent sugar solution means that:

What happens when ink is dropped in water:

‘A’ has 9 protons, 9 electrons and 10 neutrons. 'B' has 12 protons, 12 electrons and 12 neutrons. Formula between A and B is:

Minamata human disease is caused by pollution of water by:

1. Cadmium.
2. Lead.
3. Mercury.
4. Arsenic.

The correct electronic configuration of a chloride ion is:

1. 2, 8
2. 2, 8, 4
3. 2, 8, 8
4. 2, 8, 7

For each of the following, use letters to indicate physical state of matter. ‘s’ for solid, ‘l’ for liquid ‘g’ for gaseous, 'p' for plasma, B.E.C. for Bose-Einstein Condensate.

S.No.	Specific Characteristic	Physical state
1.	Ionised gases
2.	Most ordered state
3.	Least ordered state
4.	Fixed volume, no shape
5.	Cooling gas at super low temperature

A stone is thrown upwards as shown in the diagram. When it reaches P, which of the following has the greatest value for the stone?

A sprinter has to cover a total run of 100m. She increases her speed from rest under a uniform acceleration of 1.0m/s² up to three quarters of the total run and covers the last quarter him uniform speed. The time she takes to cover the first half, and to cover the second half of the run will be.

A branch of biology which deals with the identification, nomenclature and classification of organisms is called:

1. Morphology.
2. Ecology.
3. Taxonomy.
4. Phytogeography.

What is karyoplasm?