Control and Coordination-Biology for Class x
Such bio-chemical and physiological management of body through which body activities remain in control while keeping up adjustments with different body organs
Such bio-chemical and physiological management of body through which body activities remain in control while keeping up adjustments with different body organs
ASSESSMENT: NCERT QUESTIONS WITH ANSWERS
The reflex action is an involuntary action which goes on automatically. We don’t have any control on this type of action. Walking, on the other hand is a voluntary action which can be controlled and modified by us.
Auxins move to darker side of the part of a plant and cause cells of that side to grow larger. These may induce cell division as well. In both of these cases the part of the plant bends.
It is now a general opinion that if we see something moving, it is alive.
All those processes that maintain the body of an organism collectively are called as life processes. These processes principally include Nutrition, Respiration, Internal Transport, and Excretion. Some other processes of life like control and coordination, Reproduction, Heredity and Evolution etc. are essentially found in living beings but they are not directly related to processes of life. Hence, these may or may not be regarded as life processes
A number of non-governmental organisations (NGOs) or non-governmental agencies have been playing their important roles in spreading Environmental Awareness across the globe and in developing policies for the protection of environment and sustainable development.
On June 26, 1945 fifty-one; nations representing 80% of the world’s population approved and signed a charter for the establishment of a world body of nations – the United Nations Organisation (UNO); at San Francisco.
People who suffer from hunger remain undernourished. They don’t get enough food to eat. As such they don’t get energy, they need to live active lives. Undernourished persons remain unable to study, work or otherwise perform physical and mental activities. This condition is especially hard for women and children. Continuous hunger weakens the immune system and makes them vulnerable to diseases and infections. Mothers who suffer continuous hunger often give birth to underweight and weak babies, and they face increased risk of death.
The development in all sectors of a country is essential to feed its growing numbers and to feed and to…
Earlier women had to do most of the work in household. But, the trend is changing now. Both men and women have to do all the work now. The Inequality at the work place is vanishing now.