Aerobic Respiration- 1. In the presence of oxygen 2. CO2 and water 3. Mainly plants and animals 4. The energy produced in a high amount Anaerobic Respiration- 1. In the absence of oxygen 2. Ethanol or lactic acid 3. Anaerobic bacteria, yeast, airborne muscles 4. The energy produced in a low amount

What is the difference between aerobic and anaerobic respiration? Name some organisms which have anaerobic respiration.

Aerobic Respiration	Anaerobic Respiration
1.	In the presence of oxygen	1.	In the absence of oxygen
2.	CO2 and water	2.	Ethanol or lactic acid
3.	Mainly plants and animals	3.	Anaerobic bacteria, yeast, airborne muscles
4.	The energy produced in a high amount	4.	The energy produced in a low amount

Compare the structure and mechanism of alveoli in the lung and nephron in the kidney.

What is the difference between transport of materials in xylem and phloem?

Describe the double circulation in human beings. Why is it necessary?

What can be the consequences of the deficiency of hemoglobin in our body?

How are alveoli designed for maximum exchange of gases?

What are the conditions necessary for autotrophic nutrition and what are its by products ?

What is the role of saliva in digestion of food?

How does the digestion of fat take place in our body? Where does this process take place?

By fission of pyruvate, it gives carbon dioxide, water and energy and this reaction takes place in : (a) cytoplasm (b) mitochondria (c) chloroplast (d) Nucleus.

For autotrophic nutrition _________ is necessary. (a) carbon dioxide and water (b) chlorophyll (c) sunlight (d) all of the above.

Xylem in plant is responsible for : (a) transport of water (b) transport of food (c) carrying amino acids (d) carrying oxygen

The kidneys in human beings are a part of the system for (a) nutrition (b) respiration (c) excretion (d) transportation

How is the amount of urine produced regulated ?

What methods do plants use to get rid of excretory products?

Describe the structure and functioning of nephrons.

How does food transfer in a plant?

How are water and minerals transported in plants?

What are the components of the transport system in highly organized plants?

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds ?

What are the components of the transport system in humans? What are the functions of these components?

How is the maximum area in the human lung envisaged for exchange of gases?

How is oxygen and carbon dioxide transported in humans?

What are the different ways in which glucose is oxidized to provide energy in various organisms?

How is a terrestrial organism advantageous over an aquatic organism in obtaining oxygen for respiration?

How is the small intestine designed to absorb digested food?

What is the function of digestive enzymes?

What is the role of acid in our stomach?

Where does the plant get the raw material needed for photosynthesis?

What is the difference between autotrophic nutrition and heterotrophic nutrition?

What processes would you consider essential for the maintenance of life?

What raw materials are used by an organism?

What criterion would we use to determine if an object is alive?

Why is diffusion insufficient to meet the oxygen requirement in multicellular organisms like us?

Chapter 5 NCERT Class 10 Science SOLUTIONS

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