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 kind of movement do we see in plants?
Q 5.
What do you mean by term adaptation?
Q 6.
Give two examples of each biotic and abiotic components.
Q 7.
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.
What is respiration?
Q 18.
Why do we need abiotic factors?
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.
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 29.
Write the features of desert plants.
Q 30.
Name two examples of aerial habitat animals.
Q 31.
Explain the adaptation of plants to live in water.
Q 32.
Name two terrestrial organisms.
Q 33.
Explain the adaptation of animals to live in mountain region.
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.
Do plants also move?
Q 39.
What do you mean by germination of seeds?
Q 40.
What is the function of gill?
Q 42.
Explain the characteristics oflimng organisms.
Q 43.
Name a common thing in all fishes.
Q 44.
Name two aquatic animals which have no gills.
Q 45.
What is photosynthesis?
Q 46.
Explain the features offish which help it to adapt to live in water.
Q 47.
How are camels adapted to live in desert?
Q 48.
What do you mean by acclimatisation?
Q 49.
Name two aquatic animals.
Q 50.
Write the difference between living and non-living things.
