Here are 10 One-Word Answer Type Questions from the topic Breathing Under Water (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: Breathing Under Water
1. Question: What is the breathing organ of fish?
• Answer: Gills
• Explanation: Fish use gills to absorb oxygen dissolved in water.
2. Question: Which gas is absorbed by aquatic animals from water?
• Answer: Oxygen
• Explanation: Oxygen dissolved in water is used by aquatic animals for breathing.
3. Question: What is the process of taking in oxygen and giving out carbon dioxide called?
• Answer: Breathing
• Explanation: Breathing is the process of inhaling oxygen and exhaling carbon dioxide.
4. Question: What is the breathing organ of prawns?
• Answer: Gills
• Explanation: Prawns use gills to breathe under water.
5. Question: Which aquatic animal uses skin for breathing along with lungs?
• Answer: Frog
• Explanation: Frogs can breathe through their skin while underwater.
6. Question: What is the breathing organ in whales?
• Answer: Lungs
• Explanation: Whales breathe through lungs and come to the surface to inhale air.
7. Question: Which gas is released by aquatic animals during breathing?
• Answer: Carbon dioxide
• Explanation: Aquatic animals release carbon dioxide as a waste gas.
8. Question: What term is used for animals that live and breathe in water?
• Answer: Aquatic
• Explanation: Aquatic animals live in water and use gills or skin for breathing.
9. Question: What is the thin flap that covers the gills in fish called?
• Answer: Operculum
• Explanation: Operculum is a bony flap covering and protecting fish gills.
10. Question: What is the breathing structure in crabs?
• Answer: Gills
• Explanation: Crabs use gills to breathe in water.
If you want, I can now prepare the next set from the sub-topic Breathing in Plants in the same one-word format.
Shall I continue?
