CBSE Class 6 Science Living Creatures: Exploring their Characteristics (Class 6 NCERT New) Quiz 11

1. What is excretion in living organisms?

A The process of taking in food for energy B The process of producing offspring C The process of removing harmful waste products from the body D The process of responding to changes in the environment

2. In humans, which organ is primarily responsible for excreting liquid waste (urine)?

A Lungs B Kidneys C Liver D Stomach

3. Which of the following is a waste product excreted by plants through their leaves?

A Glucose B Starch C Oxygen (released during photosynthesis) and carbon dioxide (released during respiration) D Chlorophyll

4. Which of the following statements is TRUE about living organisms?

A Only animals show response to stimuli, not plants B Non-living things can also grow, reproduce, and excrete waste C All living organisms show characteristics such as growth, reproduction, respiration, nutrition, excretion, and response to stimuli D Reproduction is not necessary for the survival of an individual organism, but excretion is not needed either

5. What is the primary function of nutrition in living organisms?

A To provide energy and essential nutrients for growth and maintenance B To remove waste products from the body C To facilitate reproduction D To enable movement and response to stimuli

6. Which of the following processes is essential for maintaining homeostasis in living organisms?

A Photosynthesis B Excretion C Reproduction D Growth

7. What is the role of enzymes in living organisms?

A To store genetic information B To speed up chemical reactions C To provide structural support D To transport nutrients

8. What is the primary purpose of photosynthesis in plants?

A To absorb nutrients from the soil B To facilitate reproduction C To produce energy and food using sunlight D To release carbon dioxide into the atmosphere

9. Which of the following is a characteristic of living organisms?

A Ability to change color at will B Ability to exist without energy C Ability to remain stationary D Ability to grow and develop

10. What is the main function of the roots in plants?

A To absorb sunlight for photosynthesis B To produce flowers and seeds C To facilitate gas exchange D To anchor the plant and absorb water and nutrients