Biology
Which of the following chemicals is used to identify the presence of starch ?
- Lime water
- Potassium hydroxide
- Iodine solution
- Methylated alcohol
Related Questions
Which of the following is an end product of anaerobic respiration in plants ?
- Ethane
- Ethylene
- Ethanol
- Lactic acid
A glowing matchstick starts burning in the presence of :
- Carbon dioxide gas
- Nitrogen gas
- Carbon monoxide gas
- Oxygen gas
Suppose we compare the leaf with a factory, match the items in Column A with those in Column B.
Sl.
No.Column A Column B 1. Cells in the leaf Raw materials 2. Chloroplast Power 3. Sunlight Machinery 4. Oxygen and water End product 5. Carbon dioxide and water By product 6. Glucose Work room State whether the following statements are True or False:
(i) Green plants prepare their food by using two raw materials, oxygen and water.
(ii) The chlorophyll enables the plants to use light energy.
(iii) The free oxygen in the atmospheric air is the result of photosynthesis.
(iv) Photosynthesis occurs only in chlorophyll-containing parts of the plant.