Question:
Explain the features offish which help it to adapt to live in water.
Answer:
i) The shape of the fish is streamlined which help in the movement.
(ii) The slippery scales/skin on their bodies to protect them.
(iii) They have flat fins and tails which help them to swim, change direction and to keep the body balanced.
(iv) They have gills which help in breathing in water.
Living Organisms and Surroundings
Q 1.
Name a few habitats.
Q 2.
Name some aquatic habitats.
Q 3.
Do plants also excrete?
Q 4.
Give two examples of each biotic and abiotic components.
Q 6.
What do you mean by term adaptation?
Q 7.
What kind of movement do we see in plants?
Q 8.
Name few terrestrial habitats.
Q 13.
Why do we need abiotic factors?
Q 14.
Which of the things in the following list are non-living?
Q 15.
What are predators?
Q 16.
Does adaptation take place in a short time?
Q 17.
What is respiration?
Q 18.
What are the differences in the desert and sea regions?
Q 19.
Which of the following non-living things were once part of a living thing?
Butter, Leather, Soil, Wool, Electric Bulb, Cooking Oil, Salt, Apple, Rubber.
Q 20.
What is reproduction?
Q 21.
Name two examples of aerial habitat animals.
Q 22.
What is the main Junction of food?
Q 23.
Name two organisms that live in deserts.
Q 24.
What is the function of gill?
Q 26.
What do you mean by germination of seeds?
Q 27.
Name two aquatic animals.
Q 28.
Name two terrestrial organisms.
Q 29.
Name the animal which is called the ship of desert.
Q 30.
Explain the characteristics oflimng organisms.
Q 32.
Name a few plants that live in ponds.
Q 33.
What is photosynthesis?
Q 34.
Write the difference between living and non-living things.
Q 36.
Do plants also move?
Q 37.
Explain the features offish which help it to adapt to live in water.
Q 38.
What do you mean by acclimatisation?
Q 39.
Explain the adaptation of plants to live in water.
Q 40.
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).
Q 41.
Explain the adaptation of animals to live in mountain region.
Q 42.
Fill in the blanks:
(a) The presence of specific features which enables 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 _________________ habitats.
(c)The habitats of plants and animals that live in water are called ____________________ habitats.
(d) Soil, water and air are the____________ factors of a habitats.
(e) Changes in our surroundings that make us respond to them are called
Q 43.
Name a common thing in all fishes.
Q 44.
What are blowholes?
Q 45.
How are camels adapted to live in desert?
Q 46.
Give an example of a non-living thing which shows any two characteristics of living thing.
Q 47.
Name various types of habitat.
Q 48.
Frogs can live both on land and in water, name the adaptations seen in these animals.
Q 49.
Name the habitat where various types of fish live.
Q 50.
How are cactus adapted to survive in a desert?
