Why Do Some Birds Migrate?
Birds that travel from one place to the other place are called as Migratory Birds.
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Sustainable Land Management and needs of this management
Land resources are used for a variety of purposes which may include organic agriculture, reforestation, water resource management and eco-tourism projects. In all these areas land use is needed to be sustainable.
Integrated Forest Conservation- Public-Private Ownership
In the new strategy of the Forest Management, local public is allowed to be involved in conservation and management of forests with the government. This strategy is called as Integrated Forest Conservation and Management.
Population Control
Through different means – natural and unnatural the process of keeping in a limit the growth of population is called as Population Control. It is essential for the welfare of human families. This is the reason why its name has been changed to the Family Welfare.
Cyclones and – Ways Of Their Mitigation
Cyclones are extremely disastrous hazards that originate in seawater. These are usually followed by rains and wind of very high speed.In fact, these are atmospheric disasters that occur mainly in coastal areas like coastal regions of Bangla Desh and India.
Factors Causing Population Change
There are four basic factors that cause population change in a country – Natality or the birth rate, Mortality or…
Impact of Human Activities on Environment
Growth of human population, fast but unplanned industrialization and irresponsible behavior to environment are causing imbalances in the local, regional, national and global environment. These are causing not only local but global problems in the environment.
Forest – Fires in Uttarakhand and Himachal
Since October 1st to November 9th, a total of 92 incidents of forest-fires have been recorded that have burnt about 133.55 ha of forest in Uttarakhand.
Making Compost for Better Health of the Soil
The organic matter formed through degradation of decomposable biomass and which is rich in nutrients for the growth and development of plants is called as compost.
Urban and Rural Waste: Methods of their Disposal
Different activities may generate waste which may be solid or liquid. The quality of both solid and liquid wastes is increasing and if the wastes are disposed in an uncontrolled manner these may cause adverse impact on public health and environment. Hence these wastes need to be managed efficiently so as to safeguard public health and environment.
Industrial Pollution Control Measures
Prevention of entry into the environment: According to this principle, pollutants are checked at the point of their origin and are not allowed to enter into the environment by the application of specific devices.
Questions based on Control and Coordination- Biology Class X
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.
