West Bengal Board Solutions for Chapter: Human Food, Exercise 42: Exercise 42

Author:West Bengal Board

West Bengal Board Science Solutions for Exercise - West Bengal Board Solutions for Chapter: Human Food, Exercise 42: Exercise 42

Attempt the practice questions on Chapter 5: Human Food, Exercise 42: Exercise 42 with hints and solutions to strengthen your understanding. Environment and Science Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from West Bengal Board Solutions for Chapter: Human Food, Exercise 42: Exercise 42 with Hints & Solutions

MEDIUM
7th West Bengal Board
IMPORTANT

Breathe heavily in front of a mirror. Do you see the mark on the mirror? Where does this vapour come from? So what are the function of water? 

MEDIUM
7th West Bengal Board
IMPORTANT

You know that water is present in the synovial fluid present in bone joints. What is the function of water here?

MEDIUM
7th West Bengal Board
IMPORTANT

In diarrhoea, the watery stool is frequently discharged. This may be accompanied by vomiting. Many essential nutrients are lost with these watery discharges. What role does water play here?

MEDIUM
7th West Bengal Board
IMPORTANT

Digestion starts in the mouth cavity after the intake of food. What is the function of water here?

MEDIUM
7th West Bengal Board
IMPORTANT

After digestion, simplified portions of food are absorbed by the body through the wall of the small intestine. What are the functions of water?

MEDIUM
7th West Bengal Board
IMPORTANT

Undigested part of food comes out of the body as soft stool. Which role water performs here?

MEDIUM
7th West Bengal Board
IMPORTANT

High fever occurs in Malaria or pneumonia. What role does water play when the fever subsides through sweating or a patient suffering from high fever is bathed in water?

MEDIUM
7th West Bengal Board
IMPORTANT

Water is used by plants to synthesise food. What function does water perform here?