Question:
Explain the adaptation of trees to live in mountain regions.
Answer:
(i) The shape of the trees is of normally cone type.
(ii) Branches are sloping.
(iii) The leaves of these trees are needle like.
(iv) These structures prevent accumulation of rainwater and snow over them.
Living Organisms and Surroundings
Q 1.
Name a few habitats.
Q 2.
Name some aquatic habitats.
Q 3.
Give two examples of each biotic and abiotic components.
Q 5.
Do plants also excrete?
Q 6.
What do you mean by term adaptation?
Q 7.
Name few terrestrial habitats.
Q 8.
What kind of movement do we see in plants?
Q 12.
Why do we need abiotic factors?
Q 13.
Which of the things in the following list are non-living?
Q 14.
What are predators?
Q 15.
Does adaptation take place in a short time?
Q 16.
What is respiration?
Q 18.
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 19.
What is reproduction?
Q 20.
What are the differences in the desert and sea regions?
Q 21.
What is the main Junction of food?
Q 22.
Name two organisms that live in deserts.
Q 23.
Name two examples of aerial habitat animals.
Q 24.
What is the function of gill?
Q 25.
Name the animal which is called the ship of desert.
Q 26.
Name two aquatic animals.
Q 27.
What do you mean by germination of seeds?
Q 28.
Name two terrestrial organisms.
Q 31.
Explain the characteristics oflimng organisms.
Q 32.
Write the difference between living and non-living things.
Q 33.
Name a few plants that live in ponds.
Q 34.
Explain the features offish which help it to adapt to live in water.
Q 35.
Name a common thing in all fishes.
Q 36.
What is photosynthesis?
Q 38.
Do plants also move?
Q 39.
Explain the adaptation of plants to live in water.
Q 40.
How are camels adapted to live in desert?
Q 41.
What do you mean by acclimatisation?
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.
Explain the adaptation of trees to live in mountain regions.
Q 44.
Name some plants found on mountains.
Q 45.
Name the habitat where various types of fish live.
Q 46.
What are blowholes?
Q 47.
Name the types of components of habitat.
Q 48.
Explain the adaptation of animals to live in mountain region.
Q 49.
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 50.
Write the features of desert plants.
