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 6.
Give two examples of each biotic and abiotic components.
Q 7.
What kind of movement do we see in plants?
Q 8.
Name few terrestrial habitats.
Q 9.
What do you mean by term adaptation?
Q 12.
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 13.
Which of the things in the following list are non-living?
Q 15.
What is reproduction?
Q 16.
What are predators?
Q 17.
Name two organisms that live in deserts.
Q 18.
What do you mean by germination of seeds?
Q 19.
What is the main Junction of food?
Q 20.
What is the function of gill?
Q 21.
Write the difference between living and non-living things.
Q 22.
Name two examples of aerial habitat animals.
Q 23.
Name a common thing in all fishes.
Q 24.
What is respiration?
Q 28.
Does adaptation take place in a short time?
Q 29.
Why do we need abiotic factors?
Q 30.
Name two terrestrial organisms.
Q 31.
What is photosynthesis?
Q 32.
Name the animal which is called the ship of desert.
Q 33.
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 34.
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 35.
Name some plants found on mountains.
Q 36.
Name two aquatic animals which have no gills.
Q 37.
Do plants also move?
Q 38.
Explain the adaptation of plants to live in water.
Q 39.
Name the types of components of habitat.
Q 40.
What do you mean by acclimatisation?
Q 41.
Explain the adaptation of trees to live in mountain regions.
Q 42.
Explain the characteristics oflimng organisms.
Q 43.
Name various types of habitat.
Q 44.
Write the features of desert plants.
Q 45.
Give an example of a non-living thing which shows any two characteristics of living thing.
Q 46.
Explain the adaptation of animals to live in mountain region.
Q 47.
Frogs can live both on land and in water, name the adaptations seen in these animals.
Q 48.
What are the differences in the desert and sea regions?
Q 49.
How are cactus adapted to survive in a desert?
Q 50.
How are camels adapted to live in desert?
