Here are 10 one-word answer type questions based on the subtopic “Handpicking” from the chapter Separation of Substances in Class 6 NCERT Science, with answers and explanations included:
1. Question: Which method is used to remove stones from rice at home?
Answer: Handpicking
Explanation: Handpicking is used to manually remove unwanted substances like stones or husk from grains.
2. Question: What type of impurities can be removed by handpicking?
Answer: Large
Explanation: Large impurities such as stones or unwanted seeds can be easily removed by handpicking.
3. Question: Is handpicking suitable for large-scale separation—Yes or No?
Answer: No
Explanation: Handpicking is suitable only for small quantities, not for bulk separation.
4. Question: What kind of grains are often cleaned using handpicking?
Answer: Pulses
Explanation: Pulses often contain visible impurities and are commonly cleaned using handpicking.
5. Question: Which material can be removed from wheat using handpicking?
Answer: Husk
Explanation: Light husk particles are sometimes removed from wheat grains using handpicking.
6. Question: What do we call the method of removing one type of particle by hand?
Answer: Handpicking
Explanation: Handpicking refers to separating undesirable components from a mixture by hand.
7. Question: Is handpicking a physical or chemical method of separation?
Answer: Physical
Explanation: Handpicking involves no chemical change and is purely a physical separation method.
8. Question: In handpicking, what is used to separate substances?
Answer: Hands
Explanation: Hands are directly used to pick out unwanted particles from useful ones.
9. Question: Is handpicking suitable when components differ visibly—Yes or No?
Answer: Yes
Explanation: Handpicking is effective when the components look different and are easy to identify.
10. Question: Which is easier to remove by handpicking—powder or pebble?
Answer: Pebble
Explanation: Pebbles are large and easily visible, making them suitable for removal by handpicking.
Let me know if you’d like similar sets for Threshing, Winnowing, or any other topic!
