Here are 10 One-word Answer Type Questions from the chapter “Do All Organisms Need Food?” based on your provided PDF content. Each question is followed by its answer and explanation:
Topic: Do All Organisms Need Food?
1. Question: What is the main source of energy for living organisms?
Answer: Food
Explanation: All living organisms need food because it provides them with the energy required to grow, move, and carry out life activities.
2. Question: Which process helps in the breakdown of food inside the body?
Answer: Digestion
Explanation: Digestion is the process by which food is broken down into simpler forms so that the body can absorb and use it.
3. Question: What is the watery liquid in our mouth that helps in digestion?
Answer: Saliva
Explanation: Saliva is secreted in the mouth and helps in softening the food and beginning the process of digestion.
4. Question: Which nutrient gives instant energy to the body?
Answer: Glucose
Explanation: Glucose is a type of sugar that is easily absorbed by the body and gives quick energy, especially when someone is weak or sick.
5. Question: Which mineral is mixed with sugar in a salt-sugar solution?
Answer: Salt
Explanation: A salt-sugar solution is used to give energy and prevent dehydration in case of vomiting and loose motions.
6. Question: What is the condition called when a person does not get enough food for a long time?
Answer: Starvation
Explanation: Starvation is a condition caused due to lack of food, leading to weakness, tiredness, and even death.
7. Question: What is the name of the process by which food gives strength to the body?
Answer: Nutrition
Explanation: Nutrition is the process by which living organisms take in food and utilize it for energy, growth, and maintenance.
8. Question: What is the tube-like structure inside the body through which food passes?
Answer: Stomach
Explanation: After chewing, food passes through the food pipe and reaches the stomach, where it is further digested.
9. Question: Which liquid is given through a needle when a person is very weak?
Answer: Drip
Explanation: A glucose drip is given to very weak patients to give instant energy without eating food.
10. Question: Which type of food should we eat to stay healthy?
Answer: Proper
Explanation: Proper food includes all the necessary nutrients in the right amount and helps in keeping the body healthy and strong.
If you want, I can also prepare similar one-word questions from the next chapter “Mangoes Round the Year” or any other chapter of your choice.
Shall I proceed?
