Home
Class 6
BIOLOGY
Will a leaf taken from a potted plant ke...

Will a leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch? Give reasons for your answer.

Text Solution

AI Generated Solution

**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks whether a leaf taken from a potted plant kept in a dark room for a few days will turn blue-black when tested for starch. 2. **Photosynthesis Process**: Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose (a type of sugar) and oxygen. This process occurs in the presence of sunlight and is essential for the production of starch in plants. 3. **Effect of Darkness on Photosynthesis**: When a plant is kept in a dark room, it does not receive sunlight. Without sunlight, the process of photosynthesis cannot occur. As a result, the plant cannot produce glucose or starch. ...
Promotional Banner

Topper's Solved these Questions

  • GETTING TO KNOW PLANTS

    NCERT EXEMPLAR|Exercise LONG ANSWER QUESTIONS |5 Videos

  • GETTING TO KNOW PLANTS

    NCERT EXEMPLAR|Exercise VERY SHORT ANSWER QUESTIONS (FILL IN THE BLANKS)|6 Videos

  • GARBAGE IN , GARBAGE OUT

    NCERT EXEMPLAR|Exercise LONG ANSWER QUESTIONS|13 Videos

  • THE LIVING ORGANISMS AND THEIR SURROUNDINGS

    NCERT EXEMPLAR|Exercise LONG ANSWER QUESTIONS |2 Videos

Similar Questions

Explore conceptually related problems

Leaves of a healthy potted plant were coated with vaseline . Will this plant remain healthy for long ? Give reasons for your answer.

5 mL of water was taken in a test tube and china dish separately. These samples were then kept under different conditions as below : (a) Both the samples are kept under a fan. (b) Both the samples are kept inside a cup board. State in which case evaporation will be faster ? Give reason to support your answer. (c) How will the rate of evaporation change if above activity is carried out on a rainy day ? Justify your answer.

The steps taken for setting up an experiment to demonstrate that 'light is necessary for photosynthesis', were as follows: * A strip of black paper was clipped on the leaf of a potted plant * The plant was kept in the sun for four hours * The strip was removed and the leaf was placed in boiling alcohol in a water bath * The leaf was washed and tested for starch The result was not as expected. Identify the step which had been missed out:

What happens to the eye when you enter a darkened cinema hall from bright sunshine ? Give reason for your answer.

Paheli uprooted a rose plant from the soil. Most of the root tips, with root hairs got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Will the plant grow or die? Give reason for your answer.