Question

1. What are the differences between autotrophic nutrition and heterotrophic nutrition ?

2. Where do plants get each of the raw materials required for photosynthesis ?

3 aerobic and anerboic respiration

4. How are water and minerals transport in plants ?

5. Describe the structure and functions of nephrons.​

Answer 1

Answer:

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Autotrophs are organisms that prepare their own food through the process of photosynthesis, whereas heterotrophs are organisms that cannot prepare their own food and depend upon autotrophs for nutrition.

Answer 2

What are the differences between autotrophic nutrition and heterotrophic nutrition ?

Ans. Autotrophs are organisms that prepare their own food through the process of photosynthesis, whereas heterotrophs are organisms that cannot prepare their own food and depend upon autotrophs for nutrition.

Where do plants get each of the raw materials required for photosynthesis ?

Ans. Carbon Dioxide: Plants get CO2 from atmosphere through stomata. ii. Water: Plants absorb water from soil through roots and transport to leaves.

aerobic and anerboic respiration

ans. Living organisms use energy released by respiration for their life processes. There are two types of respiration – aerobic (which needs oxygen) and anaerobic (which doesn't need oxygen).

How are water and minerals transport in plants ?

Ans. Thus, a plant absorbs water and minerals from soil through roots and transport it other parts like stem, leaves, flowers etc. It is through two kinds of elements of xylem tissue called, xylem vessels and tracheid that water and minerals move from roots of a plant to its leaves.

Describe the structure and functions of nephrons.

Ans. A nephron is the filtration unit of the kidney. It consists of a tubule which is connected with collecting duct at one end and a cup-shaped structure at the other end. This filtrate contains glucose, amino acids, urea, uric acid, salts and a major amount of water.

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