Respiration vs Combustion

Q.

Why are toads called Poikilothermic?

Q.

What are homeotherms? Give Example.

Q. Explain the mechanism of gaseous exchange at bronchiole level.

Q. Unlike respiration, no energy is released in combustion.

1. True
2. False

Q. The form of energy used in respiration is energy.

1. solar
2. chemical
3. mechanical

Q. ............... is able to regulate its own body temperature.

1. Frog
2. Fish
3. Snake
4. Sparrow
5. Turtle

Q. Respiration and breathing are synonymous.

1. False
2. True

Q. The rate of breathing in aquatic organisms is much greater than that in terrestrial ones. Why?

1. Amount of dissolved oxygen in water is high compared to that in air
2. Aquatic organisms have a greater surface area than terrestrial ones
3. Aquatic organisms have a greater oxygen intake requirement than terrestrial ones
4. Amount of dissolved oxygen in water is fairly low compared to that in air