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 7.
What kind of movement do we see in plants?
Q 8.
Name few terrestrial habitats.
Q 10.
What do you mean by term adaptation?
Q 13.
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.
What is reproduction?
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 respiration?
Q 21.
Why do we need abiotic factors?
Q 22.
Write the difference between living and non-living things.
Q 23.
What is the function of gill?
Q 24.
Name two examples of aerial habitat animals.
Q 25.
Name a common thing in all fishes.
Q 26.
Does adaptation take place in a short time?
Q 30.
Name two aquatic animals which have no gills.
Q 31.
Name two terrestrial organisms.
Q 32.
What is photosynthesis?
Q 33.
Explain the adaptation of plants to live in water.
Q 34.
Name the animal which is called the ship of desert.
Q 35.
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 36.
Name some plants found on mountains.
Q 37.
Name two aquatic animals.
Q 38.
Do plants also move?
Q 39.
Explain the adaptation of trees to live in mountain regions.
Q 40.
Name various types of habitat.
Q 41.
How are camels adapted to live in desert?
Q 42.
Explain the characteristics oflimng organisms.
Q 43.
Write the features of desert plants.
Q 44.
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 45.
Name the types of components of habitat.
Q 46.
Name the habitat where various types of fish live.
Q 47.
Explain the features offish which help it to adapt to live in water.
Q 48.
Name a few plants that live in ponds.
Q 49.
What do you mean by acclimatisation?
Q 50.
Frogs can live both on land and in water, name the adaptations seen in these animals.
