Nutrition In Plants 🌵 4

Question 1

What is the purpose of performing the iodine test on leaves?

Answer 1

To test for the presence of starch in the leaves

Iodine test indicates if photosynthesis has occurred by revealing starch accumulation.

Question 2

What happens to a pot kept in the dark when exposed to sunlight for 3-4 days?

Answer 2

Photosynthesis occurs, and starch is produced in the leaves

This results in a positive iodine test when performed afterwards.

Question 3

Do leaves other than green also have chlorophyll?

Answer 3

Yes, they contain chlorophyll, but other pigments mask the green color

This allows photosynthesis to occur in non-green leaves as well.

Question 4

What types of pigments can mask the green color in leaves?

Answer 4

Red, brown, and other pigments

These pigments can be present alongside chlorophyll in various leaves.

Question 5

What are the slimy green patches in ponds or stagnant water bodies primarily formed by?

Answer 5

The growth of organisms called algae

Algae thrive in water and can be indicators of nutrient levels in aquatic ecosystems.

Question 6

Why are algae green in color?

Answer 6

They contain chlorophyll

Chlorophyll is essential for photosynthesis, allowing algae to produce their own food.

Question 7

Can algae prepare their own food?

Answer 7

Yes, algae can prepare their own food through photosynthesis

This process is similar to that of higher plants.

Question 8

Fill in the blank: Plants synthesize carbohydrates through the process of _______.

Answer 8

photosynthesis

Photosynthesis is the primary method by which plants convert light energy into chemical energy.