NCERT PRACTICE QUESTIONS
1. What is a habitat?
Ans. - The place where organisms live nad called their home is called habitat. Habitat means a dwelling place (a home). The habitat provides food, water, air, shelter and other needs to organisms.
2. How are cactus adapted to survive in a desert?
Ans. - Adaptation of cactus are as follows -
Roots of cactus are deeply rooted inside soil to absorb water
A thick waxy layer surrounds leaf to retain water
Leaf is replaced by spine to reduce transpiration
Stems carry out photosynthesis
3. Fill up the blanks
(a) The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called ————.
(b) The habitats of the plants and animals that live on land are called ———— habitat.
(c) The habitats of plants and animals that live in water are called ————habitat.
(d) Soil, water and air are the ———— factors of a habitat.
(e) Changes in our surroundings that make us respond to them, are called ———— .
Ans.- (a) adaptation (b) terrestrial (c) aquatic (d) abiotic (e) stimuli
4. Which of the things in the following list are nonliving?
Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earthworm
Ans.- Plough, sewing machine, Radio and Boat are nonliving things
5. Give an example of a non-living thing, which shows any two characteristics of living things.
Ans.- Motor vehicle - It can move like living beings and it needs oxygen
6. Which of the non-living things listed below, were once part of a living thing?
Butter, Leather, Soil, Wool, Electric bulb, Cooking oil, Salt, Apple, Rubber
Ans.- Butter, Leather, Wool, Cooking oil, Apple and rubber were once part of a living thing.
7. List the common characteristics of the living things.
Ans. - Common characteristics of living things are -
i) Respiration ii) Food intake iii) Response to stimuli iv) Excretion v) Movement vi) Reproduction
8. Explain, why speed is important for survival in the grasslands for animals that live there. (Hint: There are few trees or places for animals to hide in grasslands habitats.)
Ans. - Speed is very important for survival in the grasslands for animals to avoid predation from their predators. For example lion eats deer, to survive deer has to run faster than the lion.
Junior Science Topic - Living Organism, Their Characteristics And Habitat. Chapter notes, video lectures, power point presentation and NCERT exercise solution. (Class VI, CBSE syllabus, chapter 09)
By - EduPorm India - The Educational Platform
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