Tamil Nadu Primary School इयत्ता ४ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

_______ is an easily digested food.

Which one cannot be preserved by the drying method?

_____ gives us the energy to work and play.

We make Idiyappam by _______ method.

Biriyani is a raw food.

Draw one of your favourite raw food and colour it.

Write about any two preservation methods.

Explain any four food preservation methods.

Write the names of the exotic plants.

Why should we not touch parthenium plant?

Which one can be preserved by drying method?

Chemical energy is one of the types of lever.

Which of the following device converts chemical energy into electrical energy?

Say true or false.

Brush your teeth once a day.

Every day we should brush our teeth _______ times.

List out the food items for healthy mouth and teeth.

Tick (✓) the foods that are good for your teeth and cross (x) the food that is bad for your teeth.

______ depend on other organism to live and get their food.

_______ part of the potato plant is used as food.

Stem of the ______ stores food in it.