Lime water turns milky upon absorption of carbon dioxide gas due to the formation of:

1. Calcium carbonate
2. Sodium carbonate
3. Calcium chloride
4. Sodium chloride

Which of the following is the main substrate for any kind of respiration ?

1. Starch
2. Oxygen
3. Glucose
4. Sucrose

Fill in the blanks:

1. …………… are the openings found on older stems.

2. Glycolysis occurs in the …………… of the cells.

3. …………… is a respiratory substance.

4. Rate of …………… is more than the rate of …………… in the daytime in the case of green plants.

5. …………… is a chemical substance which absorbs oxygen of the air.

6. …………… is used to create vacuum to show anaerobic respiration.

Name the following:

1. Energy currency of cell.
2. Oxidative breakdown of carbohydrates to release energy.
3. An organism which respires throughout life anaerobically.
4. A common phase in both aerobic and anaerobic respiration.
5. A chemical which removes CO₂ from the air.