Available Answers

1. 1.

   Choose the correct option.

   1. Tropical forests are also known as
      1. grasslands
      2. deserts
      3. rainforests
      4. mountains
   2. Which of these do not help a fish move?
      1. streamlined body
      2. muscular foot
      3. flexible backbone
      4. swim bladder
   3. "A car is moving on a straight road". This motion is called
      1. curvilinear
      2. rectilinear
      3. rotational
      4. none of these
   4. A type of motion that repeats itself after equal intervals of time
      1. rectilinear
      2. curvilinear
      3. rotational
      4. periodic
   5. Every magnet has
      1. 2 poles
      2. 3 poles
      3. 4 poles
      4. 1 pole
   S A M P L E

   www.bigslate.com

   Answer:

   S A M P L E

   1. (c) rainforests
   2. (a) streamlined body
   3. (b) rectilinear
   4. (d) period
   5. (a) 2 pol...
2. 2.

   Fill in the blanks with the correct words.

   1. Trees that shed their leaves once a year are called _______________ (evergreen trees/deciduous trees).
   2. Animals with skin shades of brown that makes them hard to spot among the dry, brown grass are found in _______________ (grasslands/boreal forests).
   3. handspan is the distance between the tip of the thumb and the _______________ (tip of the little finger/arms).
   4. Units that have a fixed quantity and do not vary from person to person and place to place are called _______________ (estimated measurements/standard units).
   5. (Iron/Wood) _______________ is a magnetic material.
   S A M P L E

   www.bigslate.com

   Answer:

   S A M P L E

   1. deciduous trees
   2. grasslands
   3. tip of the little finger
   4. standard un
   5. I...
3. 3.

   What is meant by adaptation? Explain with an example.

   S A M P L E

   www.bigslate.com

   Answer:

   S A M P L E

   Adaptation means special features or changes in living thing...

4. 4.

   What is estimation? Use an example to explain.

5. 5.

   What is meant by acclimatization? Explain with an example.

6. 6.

   What does a magnetic compass contain?