Living and non living things class 6
Today, I am sharing living and non living things class 6 question answers. Hope you like it!
Very short answer questions
1. Name the process by which living things obtain energy from food.
ANSWER: Respiration is the process by which living things obtain energy from food. The process of breakdown of food in the body of an organism with the help of oxygen to release carbon dioxide, water and energy is called respiration.
2. Which part of the leaf takes part in exchange of gases?
ANSWER: In plants, stomata are present in leaf in which exchange of gases takes place.
3. Name any two animals which reproduce by a) giving birth to babies b) through hatching of their eggs.
ANSWER: a)Monkeys and humans. b) Hens and Ducks
Short answer questions
1. What is meant by lifespan? What is the average life span of humans?
ANSWER: Life span is defined as time period for which a living organism remains alive. Average life span of humans is 65-80 years.
2. Which of the following were once part of living things? leather, wool, electric bulb, salt, mango, wooden table metallic bucket
ANSWER: Leather and wool (Animal source). Mango and wooden table (Plant source) were once part of living things.
3. What is meant by respiration? Why is respiration essential for living organisms?
ANSWER: The process of breakdown of food in the body of an organism with the help of oxygen to release carbon dioxide, water and energy. All organisms respire to get energy. Therefore, respiration is essential for living organisms as without it, living organisms won’t be able to absorb energy from food and eventually die.
4. Manoj sees a dog in his garden. He picks up a stone and throws it at the dog. The dog gets hurt and within no time bites Maanoj’s leg. Manoj’s friend, Arjun, takes him to the doctor. The doctor immediately gives him first aid and injections. Manoj promises his parents and friends that he will not repeat this in the future.
(a) Name the ‘stimulus’ and ‘response’ in this case.
ANSWER: Throwing stone on a dog is a stimulus and biting of dog in Manoj’s leg is the response.
(b) What values do you learn from Arjun and Manoj?
ANSWER: From Manoj, we admit and learn from our mistakes that not to harm animals. From Arjun, we learn to help friends in need.
Long answer questions
1. Explain how different organisms carry out exchange of gases. Give one example of each.
ANSWER: Terrestrial animals carry out the exchange of gases through the lungs.
– Aquatic animals the exchange of gases takes place through gills.
– In plants, exchange of gases takes place through stomata.
2. Animals grow only till a particular age whereas plants grow throughout their life. Justify.
ANSWER: Growth is defined as the increase in size of the body. Plants continue to grow throughout their life such as from seed -baby plant – big plant or tree because of the presence of meristematic tissue. Meristematic tissues has the ability to divide continuously. Animals grow at certain age and then eventually die.
3. a) A plant grows towards sunlight. Mention the stimulus and the response.
ANSWER: Sunlight is the stimulus and growth of plant is response.
b) What is meant by ‘stimulus’ and ‘sensitivity’?
ANSWER: Any change in the surroundings of an organism to which it responds is called stimulus such as light, touch, smell, sound etc. Sensitivity is defined as the ability to respond to any external change.
4. a) Which characteristic of living things is shown in the figure given alongside?
b) Distinguish between ’tissues’ and ‘organs’.
ANSWER: Cells combine to form tissues. A living tissue is made from a group of cells having similar structure and function and they all work together to do a particular job. Example of tissue is lining of the lungs.
Organ is defined as the group of different tissues that all work together to do a particular job. Some examples of organs are : Heart, lungs.
Read more: CELL TISSUE ORGAN ORGAN SYSTEM IN ORDER
5. a) What is the common feature in living things and non-living things?
ANSWER: Both living and non-living things are made up of matter. Matter is defined as anything that has mass and occupy space,
b) Give any four differences between living things and non-living things.
HOTS ( Higher Order Thinking Skills)
1. While walking, Ibrahim hears a dog barking. He starts running immediately. Mention the stimulus and the response. Give another example mentioning the stimulus and the response.
ANSWER: Dog barking (noise) is stimulus and running is his response.
Another example: A plant grows towards sunlight. Sunlight is the stimulus and growth of plant is response.
2. A seed is put inside the soil. In which direction, will the stems and root grow?
ANSWER: The root always grow towards gravity which means downwards. Stem always grow upwards.
3. Are wheat grains stored in the gunny bags living? Why/ Why not?
ANSWER: Wheat grains stored in the gunny bags are non-living. This is because conditions essential for seed (wheat) germination are:
2. Warmth or sunlight
3. Water or moisture
Read also: Conditions essential for seed germination
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