Available Answers

1. 1.

   Search the words from the grid and answer the following questions.

   1. Helps in removing waste material from our body in the form of stool.
   2. Helps the body to fight against diseases.
   3. The thin tube through which urine is passed out of our body.
   4. Bean-shaped organ in our body.
   5. A composition of tiny particles.
   6. Method of separating soluble substance.
   7. Topmost layer of earth's surface.
   8. The part of the plant that takes in carbon dioxide and releases oxygen.

   

2. 2.

   Unscramble the words to get the answer.

   1. Helps us to grow. EORPTINS
   2. The teeth that lie just behind the canine teeth. RPSMRELAO
   3. The inner part of the tooth protected by dentine. PPLU
   4. The organ protected in ribcage. TEHRA
   5. The process in which a liquid changes into solid. ZGEFIERN
   6. Decayed organic matter with most nutrients in the soil. USHMU
   7. The natural process of changing rocks into soil over long duration of time. AENWIHRGTE
3. 3.

   Circle the odd one out.

   a. Cycling	Jumping	Running	Relaxing
   b. Pulses	Fruits	Eggs	Beans
   c. Molars	Incisors	Crown	Canines
   d. Lungs	Mouth	Liver	Stomach
   e. Kidney	Urethra	Blood	Urinary bladder
   f. Solid	Condensation	Liquid	Gas
   g. Liquid	Solute	Solvent	Solution
   h. Humus	Sand	Clay	Loamy
   i. Midrib	Blade	Vein	Leaf

    

4. 4.

   Rewrite the incorrect statements after correction.

   1. Pickling is not a process of food preservation.
   2. Carbohydrates present in milk are essential for growth of bones.
   3. Canines are the front teeth.
   4. Blood is transported throughout our body by excretory system.
   5. Kidney is the key organ of circulatory system.
   6. On heating, the molecules present in the matter start moving very slowly.
   7. Solvent gets dissolved in the solute.
   8. Clayey soil mostly contains sand particles.
   9. We should not cross the road at zebra crossing.
   10. Plants prepare their food in the form of carbon dioxide.
5. 5.

   What are the various nutrients of food? Give one example of each of them.
6. 6.

   List out the various methods of food preservation.