Question:
Explain the adaptation of plants to live in water.
Answer:
(i) Roots are reduced in size which hold the plant.
(ii) Stems are long, hollow and light.
(iii) Stems grow up to the surface of water.
(iv) Leaves and flowers float on the surface of water.
(v) The leaves are covered by the waxy layer which protects the leaves from excessive 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 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 things in the following list are non-living?
Q 14.
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 15.
What are predators?
Q 16.
Why do we need abiotic factors?
Q 17.
What is reproduction?
Q 18.
Write the difference between living and non-living things.
Q 19.
Name two organisms that live in deserts.
Q 20.
Name two aquatic animals.
Q 21.
What is the main Junction of food?
Q 22.
What is respiration?
Q 23.
What do you mean by germination of seeds?
Q 24.
Does adaptation take place in a short time?
Q 25.
What is the function of gill?
Q 26.
Name two examples of aerial habitat animals.
Q 27.
Name a common thing in all fishes.
Q 31.
What is photosynthesis?
Q 32.
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 33.
Name two aquatic animals which have no gills.
Q 34.
Name the animal which is called the ship of desert.
Q 35.
How are camels adapted to live in desert?
Q 36.
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 37.
Name two terrestrial organisms.
Q 38.
Do plants also move?
Q 39.
Explain the adaptation of plants to live in water.
Q 40.
Name some plants found on mountains.
Q 41.
Explain the characteristics oflimng organisms.
Q 42.
Name various types of habitat.
Q 43.
Write the features of desert plants.
Q 44.
Explain the features offish which help it to adapt to live in water.
Q 45.
Name the types of components of habitat.
Q 46.
What are the differences in the desert and sea regions?
Q 47.
Explain the adaptation of trees to live in mountain regions.
Q 48.
Name the habitat where various types of fish live.
Q 49.
What are blowholes?
Q 50.
Name a few plants that live in ponds.
