Question
Write three important properties of a balanced diet.
✓
Answer
A balanced diet has the following properties:
- It is rich in essential nutrients such as vitamins, minerals and certain amino acids,
- It provides enough material to take care of the needs of growth, repair and replacement of cells, tissues and organs of the body.
- It provides energy required by the body.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Activity.
- Heat a beaker containing some water. Allow the water to boil. If you continue heating, would the water turn into steam and disappear completely?
- Now, add two spoons of salt to water in another beaker and stir it well. Do you see any change in the colour of water? Can you see any salt in the beaker, after stirring
- Heat the beaker containing the salt water (Fig.). Let the water boil away. What is left in the beaker?
Explain that light has the property of rectilinear propagation.
What is decantation?
Describe the process and precautions necessary for using a laboratory thermometer.
What do you mean by herbivores and carnivores animals?
Fig. $A$ and $B$, show a bulb connected to a cell in two different ways.
→
- What will be the direction of the current through the bulb in both the cases. $(Q$ to $P$ or $P$ to $Q)$
- Will the bulb glow in both the cases?
- Does the brightness of the glowing bulb depend on the direction of current through it?
Paheli connected two bulbs to a cell as shown in Fig.
She found that filament of bulb $B$ is broken. Will the bulb $A$ glow in this circuit? Give reason.
→She found that filament of bulb $B$ is broken. Will the bulb $A$ glow in this circuit? Give reason.
Why scavengers are important for environment?
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
- Oxygen.
- Nitrogen.
- Carbon dioxide.
Unscramble the letters $($Column $I)$ and match with their properties $($Column $II)$.
→| Column $I$ | Column $II$ |
| $(i)$ $TREMAT$ | $(a)$ Objects can be seen clearly through it |
| $(ii)$ $ULSBELO$ | $(b)$ Occupies space and has mass |
| $(iii)$ $TNERPASNART$ | $(c)$ Shiny surface |
| $(iv)$ $ERUSTL$ | $(d)$ Mixes completely in water |