What precautions can you take in your school to reduce the incidence of infectious diseases?
The most important way to reduce the spread of infections is handwashing – frequently wash hands with soap and water,... View Article
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What are the different means by which infectious diseases are spread?
Infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person,... View Article
Why are we normally advised to take bland and nourishing food when we are sick?
During sickness the body becomes weak, and the digestive system does not work properly. So easily digested food need to... View Article
In which of the following case do you think the long-term effects on your health are likely to be most unpleasant? a) if you get jaundice b) if you get lice c) if you get acne. Why?
Lice and acne will not cause any long-term effects on the human body. However, the effects of jaundice will be... View Article
List any three reasons why you would think that you are sick and ought to see a doctor. If only one of these symptoms were present, would you still go to the doctor? Why or why not?
Three reasons why we would think that we are sick and ought to see a doctor are: (a). Headache (b).... View Article
State any two conditions essential for being free of disease.
Two conditions essential for being disease-free are: Eating nutritious and balanced food. Having nutrient rich food items rather than junk... View Article
State any two conditions essential for good health.
Health is a state of complete physical, mental and social well-being. For a healthy life cycle, person needs to have... View Article
For increasing production, what is common in poultry, fisheries and bee-keeping?
The common factor for increasing production in poultry, fisheries, and beekeeping is the proper management techniques that are to be... View Article
How do storage grain losses occur?
During the storage of grains both biotic and abiotic factors cause losses to the grain. Biotic factors such as insects,... View Article
What is genetic manipulation? How is it useful in agricultural practices?
Genetic manipulation is a process in which genes of desirable characters are taken from a plant and transferred to another... View Article
Explain any one method of crop production which ensures high yield.
One method of crop production which ensures high yield is crop rotation. This method involves growing two or more varieties... View Article
What is pasturage and how is it related to honey production?
Pasturage is the availability of flowers from which bees collect nectar and pollen. It is related to the production of... View Article
What are the desirable characters of bee varieties suitable for honey production?
Desirable characters of bee varieties suitable for honey production are: They should have high honey collecting capacity. They should not... View Article
How are fish obtained?
There are 2 ways of obtaining fish . One is from natural resources, called capture fishing . The other is... View Article
What are the differences between broilers and layers and in their management?
Broilers are reared to obtain meat whereas an egg laying poultry is called layer. Broiler Layers Broilers have fast growth... View Article
What management practices are common in dairy and poultry farming?
The following management practices are common in dairy and poultry farming: Clean and proper shelter facilities. Supply of balanced and... View Article
Which method is commonly used for improving cattle breeds and why?
Cross-breeding method is commonly used for improving cattle breeds. Cross-breeding between two good varieties of cattle will produce a new... View Article
What factors may be responsible for losses of grains during storage?
The factors responsible for losses of grains during storage are: (i) Abiotic factors like moisture (present in food grains), humidity (of air) and temperature. (ii)... View Article
Why should preventive measures and biological control methods be preferred for protecting crops?
Sometimes crops are very much affected or destroyed by the weeds, insects pests and diseases. For example Weeds compete for... View Article
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.
Option (c) will give the maximum benefits because good quality seeds, proper irrigation and use of fertilisers is very helpful... View Article
