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Force And Laws Of Motion
1. Which of the following conditions will give the most benefits? Why?
(a) Farmers use high-quality seeds, do not adopt irrigation or use fertilizers.
(b) Farmers use ordinary seeds, adopt irrigation and use fertilizer.
(c) Farmers use quality seeds, adopt irrigation, use fertilizer and use crop protection measures.
(c) Farmers use quality seeds, adopt irrigation, use fertilizer and use crop protection measures.
These conditions will give the most benefits as:
Good quality seed will increase the crop production and quality. The seeds will results in higher yield, wider adaptability, resistance to abiotic and biotic stresses etc.
Use of Fertilizer will ensure good vegetative growth and healthy plants.
Use of crop protection measures will ensure the control of weeds, pests, and infectious agents.
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Conduct A survey in your neighbourhood to find out what the three most common diseases are. Suggest three steps that could be taken by your local authorities to bring down the incidence of these diseases.
A baby is not able to tell her/his caretakers that she/he is sick. What would help us to find out
(a) that the baby is sick?
(b) what is the sickness?
Under which of the following conditions is a person most likely to fall sick ?
(a) When she is recovering from malaria.
(b) When she has recovered from malaria and is taking care of someone suffering from chicken-pox.
(c) When she is on a four-day fast after recovering from malaria and is taking care of someone suffering from chicken-pox.
Why ?
Under which of the following conditions are you most likely to fall sick ?
(a) When you are taking examinations ?
(b) When you have travelled by bus and train for two days.
(c) When your friend is suffering from measles.
Why?
Why food is necessary?
What do you mean by health?
‘Public cleanliness is important for individual health’ comment.
Why good economic conditions and gibes are needed for individual health?
How can one be in poor health without actually suffering from a particular disease? Give an example.
Give two examples of how health of a person can depend on his environment.
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