Transport of Materials in Plants

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What is the green pigment in leaves that helps capture sunlight for photosynthesis?

Chlorophyll

What is the process by which leaves prepare food using sunlight, carbon dioxide, and water?

Photosynthesis

Apart from leaves, where else in a plant does photosynthesis take place?

Green stems and green branches

What would happen to life on earth in the absence of photosynthesis?

There would not be any food Signup and view all the answers

What is the ultimate source of energy for all living organisms?

Sun Signup and view all the answers

How do desert plants reduce water loss?

By having scale- or spine-like leaves Signup and view all the answers

What is the purpose of exposing the covered part of the leaf to sunlight for 2-3 days?

To test for occurrence of photosynthesis Signup and view all the answers

How do greenhouses regulate the growth of plants?

By controlling the amount of light, water, and carbon dioxide Signup and view all the answers

What is the procedure for growing a sweet potato just in water?

Place the sweet potato in water and observe its growth Signup and view all the answers

Why do plants have leaves that grow in different patterns?

To absorb maximum sunlight Signup and view all the answers

What is the importance of light to plants?

Critical for photosynthesis Signup and view all the answers

Why do plants need nitrogen for synthesizing proteins?

Plants need nitrogen for synthesizing proteins because proteins are nitrogenous substances. Signup and view all the answers

How do plants obtain nitrogen for their growth?

Plants obtain nitrogen from the soil in a usable form, converted by certain bacteria from gaseous nitrogen present in the air. Signup and view all the answers

What is the role of chlorophyll in algae?

Chlorophyll in algae gives them the green color and enables them to carry out photosynthesis. Signup and view all the answers

Why do some plants lack chlorophyll?

Some plants lack chlorophyll and cannot synthesize food on their own. Signup and view all the answers

How do algae prepare their own food?

Algae prepare their own food through the process of photosynthesis. Signup and view all the answers

What is the main function of carbohydrates synthesized by plants?

Carbohydrates synthesized by plants are used to synthesize other food components such as proteins and fats. Signup and view all the answers

What is the mode of nutrition used by plants like Cuscuta (Amarbel)?

Heterotrophic mode of nutrition Signup and view all the answers

What type of plants are known for trapping and digesting insects?

Insectivorous plants Signup and view all the answers

Why do insectivorous plants like the pitcher plant feed on insects despite being green and capable of photosynthesis?

To supplement their nutrient intake Signup and view all the answers

What is the term used to describe plants like Cuscuta that rely on other plants for nutrients?

Parasites Signup and view all the answers

Are mosquitoes, bed bugs, lice, and leeches that feed on human blood considered parasites?

Yes Signup and view all the answers

Have you seen or heard of plants that can consume animals?

Yes Signup and view all the answers

What is the main purpose of photosynthesis?

To produce food (carbohydrates) for the plant Signup and view all the answers

What two main substances are used by chlorophyll-containing cells during photosynthesis?

Carbon dioxide and water Signup and view all the answers

What gas is released during the process of photosynthesis?

Oxygen Signup and view all the answers

How can the occurrence of photosynthesis be determined in leaves?

By the presence of starch Signup and view all the answers

What is the role of chlorophyll in photosynthesis?

To capture sunlight and enable the synthesis of carbohydrates Signup and view all the answers

What experiment can be conducted to test if leaves other than green also carry out photosynthesis?

Perform an iodine test on the leaves Signup and view all the answers

Transport of Materials in Plants - Chapter 7

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