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Living organisms and their surroundings Worksheet




Question 1
FILL IN THE BLANKS.
  1. Soil, water & air are the ____ Factors of habitat.
  2. The presence of specific features, which enable a plant or animal to live in a particular habitat, is called ___
  3. ____is the instrument used to measure rainfall
  4. Changes in our surroundings that makes us respond to them, are called ____
  5. The habitat of living organisms in water is called ____ habitat.

Answer

  1. Abiotic
  2. Adaptation
  3. Rain gauge
  4. Stimuli
  5. Aquatic


Question 2
TRUE OR FALSE
  1. Both biotic and abiotic component are required for a sustainable ecosystem.
  2. All living organism except plant responds to stimuli.
  3. The process of getting rid of wastes by organisms is known as excretion.
  4. Dolphins breathe with the help of blowholes
  5. Predators are found only in grassland habitat.

Answer

  1. True
  2. False
  3. True
  4. True
  5. false


Question 3
MATCH THE FOLLOWING.

Answer

  1. e
  2. c
  3. b
  4. a
  5. d


Question 4
CHOOSE THE ODD ONE OUT
  1. Desert habitat, Grassland habitat, Pond habitat, forest habitat
  2. Human, Rat, Blue-whale, Snake
  3. Tiger, Deer, Rock, Lion
  4. Tiger, Deer, Wolf, Lion

Answer

  1. Pond habitat
  2. Snake
  3. Rock
  4. Deer


Question 5
UNCRAMBLE THE FOLLOWING.
  1. CIITOB
  2. NASASLDGR
  3. LITMUSUS
  4. INSROSAGM
  5. ITEXORNEC

Answer

  1. BIOTIC
  2. GRASSLAND
  3. STIMULUS
  4. ORGANISMS  
  5. EXCRETION


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.


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A)An erect and small image
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C)An inverted and enlarged image
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