Available Answers

1. 1.

   Write the names of organisms living in a forest, a pond, a desert and a mountain in the following table:

   	Forest	Desert	Mountain	Pond
   1.
   2.
   3.
   4.
   5.
   6.
   7.

    

2. 2.

   Fill in the blanks.

   1. The actual location in the environment where an organism lives is known as a __________.
   2. The plants and animals that live on land are called __________.
   3. The habitats of plants and animals that live in water are called __________.
   4. __________ animals live on trees.
   5. Water lily is a __________ plant.
   6. Fire is a source of __________ and __________.
   7. Soil is formed from __________.
   8. The aquatic animals have __________ for respiration and __________ for locomotion.
   9. Biotic and abiotic both components are present in __________.
3. 3.

   Tick (√) the correct answer:

   1. A hydrophyte lives in
      1. desert
      2. snow
      3. marshy area
      4. water
   2. Which of the following is an aquatic habitat?
      1. river
      2. forest
      3. plain
      4. mountain
   3. Which of the following is not an abiotic component?
      1. light
      2. plant
      3. temperature
      4. soil
   4. Which of the following are biotic components?
      1. consumers
      2. producers
      3. decomposers
      4. all of these
   5. Which of the following are producers?
      1. herbivores
      2. fungi
      3. carnivores
      4. green plants
4. 4.

   Fill in the blanks:

   1. ______________ is a place where an organism lives and flourishes.
   2. Animals and plants living on land have ______________ habitat.
   3. Aquatic animals have ______________ to breathe.
   4. Lightning or volcanic activity causes ______________.
   5. Moving air is called ______________.
   6. ______________ are plants that live in water.
5. 5.

   Write 'T' for true and 'F' for false:

   1. Omnivores eat both plants and animals.
   2. There is no relation between biotic and abiotic components.
   3. Hydrophyte plants live in or near water.
   4. Bacteria and fungi are decomposers.
   5. Consumers are called food producers.
   6. More than 70% of the earth surface is covered by water.
   7. Wind helps in pollination and seed dispersal.
   8. Carnivores eat both plants and animals.
6. 6.

   Match the following:

   Column I	Column II
   1. Habitat	a. Water
   2. Terres	b. Plants living in or near water
   3. Aqua	c. Abiotic components of a habitat
   4. Hydrophytes	d. Land
   5. Non-living things	e. Real location in environment