Available Answers

1. 1.

   Choose the correct option.

   1. Vultures are a
      1. herbivore
      2. omnivore
      3. carnivore
      4. scavenger
   2. Which of the following chew cud?
      1. bear
      2. squirrel
      3. goat
      4. jackal
   3. Sugars are a
      1. simple carbohydrate
      2. macromineral
      3. dietary fibre
      4. complex carbohydrate
   4. Vitamins are important for
      1. body building
      2. repairing worn-out tissues
      3. proper functioning of body
      4. providing energy
   5. Method of separation used when the unwanted substance is present in small quantities.
      1. sieving
      2. winnowing
      3. threshing
      4. hand-picking
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   Answer:

   S A M P L E

   1. (d) scavenger
   2. (c) goat
   3. (a) simple carbohydrate
   4. (c) proper funct
   5. (d...
2. 2.

   Fill in the blanks with the correct words.

   1. Radish is an example of a modified ______________ (root/stem).
   2. Almost 70% of the human body consists of ______________ (water/blood).
   3. Deficiency of proteins leads to a disease called ______________ (dehydration/kwashiorkor).
   4. (Mung beans/Wheat) ______________ is an example of cereals.
   5. Sea water ______________ (evaporated/condensed) to obtain salt.
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   Answer:

   S A M P L E

   1. root
   2. water
   3. kwashiorkor
   4. Wheat
   5. evaporated
3. 3.

   How do butterflies eat their food?

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   Answer:

   S A M P L E

   Butterflies eat their food using a special tube-like mouthpa...

4. 4.

   Name two factors that affect the solubility of a solute.

5. 5.

   How is salt obtained from sea water?

6. 6.

   What is the role of roughage in our diet? Name four sources of roughage.