Question 6 VERY SHORT ANSWER TYPE QUESTION
(i)What is an organism?
(ii)Name two aquatic animals
(iii)What are biotic components?
(iv)Where do you find hydra?
(v)List three animals of desert habitat.
(vi)Why light is essential for plants?
(vii)Give two examples of unicellular organisms.
Answer
(i)All living creatures of various kinds are called organisms.
(ii)fish, whale/dolphins/shark
(iii)plants and animals are biotic components.
(iv)They can be found in freshwater ponds and slow-moving rivers, where they usually attach themselves to submerged plants or rocks.
(v)Camel, snake, scorpions/lizard
(vi)plants prepare their own food in the presence of light.
(vii)Bacteria / Algae / Amoeba / Paramecium / Yeast
Question 7 SHORT ANSWER TYPE QUESTION
(i)What does living and non-living things have in common.
(ii)What is an adaptation?
(iii)What are hydrophytes?
(iv)Name two plants that respond to the stimulus of touch.
(v)Define species
(vi)What do you understand by life cycle & life span of living things?
(vii)How is growth in a crystal different from growth in your body?
Answer
(i)All of them have mass, shape, and occupy space.
They are all made up of molecules
(ii)Adaptation is the physical or behavioral characteristic of an organism that helps an organism to survive better in the surrounding environment.
(iii)Plants that grows wholly or partly submerged in water are called hydrophytes
(iv)Mimosa pudica / Venus flytrap / Neptunia lutea
(v)Species is a group of similar looking organisms that are capable of breeding amongst themselves to produce fertile young ones.
(vi)A life cycle describes the series of stages that an individual organism passes through between the time it is conceived until the time it produces offspring of its own. This series of stages is referred to as a life cycle because offspring pass through the same series before they produce their own offspring.
(vii)In a crystal, growth occurs by the addition of materials from external sources.
However, growth in our body occurs within the body by division of cells inside the body.
