Question:
Write the features of desert plants.
Answer:
(i) The leaves in desert plants are either absent or very small.
(ii) Leaves are converted into spines which help to reduce loss of water.
(iii) The stems become thick, flat and green which help in photosynthesis.
(iv) The stem is covered with waxy layer which helps to retain water. In some plants stem is spongy and stores water.
(v) The roots go very deep in the soil to absorb water.
Living Organisms and Surroundings
Q 1.
Name some aquatic habitats.
Q 2.
Name a few habitats.
Q 3.
Do plants also excrete?
Q 4.
What do you mean by term adaptation?
Q 5.
What kind of movement do we see in plants?
Q 6.
Give two examples of each biotic and abiotic components.
Q 8.
Does adaptation take place in a short time?
Q 10.
What are predators?
Q 13.
Name few terrestrial habitats.
Q 15.
Which of the things in the following list are non-living?
Q 16.
What is reproduction?
Q 17.
Why do we need abiotic factors?
Q 18.
What is respiration?
Q 20.
Name two organisms that live in deserts.
Q 21.
Give an example of a non-living thing which shows any two characteristics of living thing.
Q 22.
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 23.
What are the differences in the desert and sea regions?
Q 24.
Name the habitat where various types of fish live.
Q 25.
What is the main Junction of food?
Q 26.
Name a few plants that live in ponds.
Q 28.
Write the features of desert plants.
Q 29.
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 30.
Name two examples of aerial habitat animals.
Q 31.
Name two terrestrial organisms.
Q 32.
Explain the adaptation of animals to live in mountain region.
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.
List the common characteristics of living things.
Q 36.
Frogs can live both on land and in water, name the adaptations seen in these animals.
Q 37.
Name the types of components of habitat.
Q 38.
Explain the features offish which help it to adapt to live in water.
Q 39.
Do plants also move?
Q 40.
What is the function of gill?
Q 42.
What do you mean by germination of seeds?
Q 43.
Explain the characteristics oflimng organisms.
Q 44.
Name two aquatic animals which have no gills.
Q 45.
Name a common thing in all fishes.
Q 46.
What is photosynthesis?
Q 47.
What do you mean by acclimatisation?
Q 48.
How are camels adapted to live in desert?
Q 49.
Name two aquatic animals.
Q 50.
Explain the adaptation of trees to live in mountain regions.
