Gaseous exchange and respiration questions | form two Biology

Is the process by which food is broken down to release energy

• Digestion
• Breathing
• Respiration
• Ingestion

Answer / Solution

C.[Respiration]

Anaerobic respiration in plants leads to production of

• Lactic acid
• Ethanol
• Oxygen
• Hydrogen

Answer / Solution

B [ Ethanol ]

All of these characteristics of respiratory surfaces except

• Thin
• Moist
• Large surface area
• Far from an efficient transport

Answer / Solution

D[Far from an efficient transport]

Name the structure used for gaseous exchange in the following organisms

• Fish
• Manual
• Grasshopper
• Frog
• Spider
• Tadpole

Answer / Solution

The following are names of structures used for gaseous exchange in fish , mammals, grasshopper, frog, spider and tadpole.

Explain why is not possible to suffocate a locust or grasshopper by holding its head under water while the remaining part of the body is outside the water

Answer / Solution

It is not possible to suffocate a locust or grasshopper by holding its head under water while the remaining part of the body is outside the water because,:

     The respiratory surface of the locust / grasshopper is on the sides of its abnomen and thorax and not on its head.