Description : What are the environmental impacts of mineral extraction? Explain IMPACTS OF MINING
Last Answer : ✔ Devegetation and Defacing of Landscape ✔ Subsidence of Land ✔ Ground water Contamination ✔ Surface water Pollution ✔ Air Pollution ✔ Occupational Health Hazards
Description : Consequences (or) ill effects (or) impact of deforestation on the environment
Last Answer : Since many people are dependent on the forest resources, deforestation will have the following social, economic and ecological effects.
Description : Enumerate the various benefits and drawbacks of constructing dams.
Last Answer : ✔ Dams are built to control flood and store flood water. ✔ Sometimes dams are used for diverting part or all of the water from river into a channel. ✔ Dams are used mainly for drinking and ... ✔ Dams are used for recreational purposes. ✔ Navigation and fishery can be developed in the dam areas.
Description : Environmental impact:
Last Answer : Nuclear fission power reactors generate large quantities of radioactive fission waste products, which may remain dangerous for thousands of years. In addition these are no safe disposal methods. It is ... fusion (combining the small nucleus) of the atoms of certain elements such as Uranium-235
Description : Explain the major impacts of timber extraction Effects or impact of Timber Extraction
Last Answer : ✔ Poor logging results in degraded forests. ✔ Soil erosion, especially on slopes. ✔ Sedimentation of irrigation systems. ✔ Loss biodiversity. ✔ Climatic changes, such as lower precipitation. ✔ ... cultivators and fuel wood gatherers to gain access to logged areas. ✔ loss of non-timber products
Description : Mining operations:
Last Answer : Mining have a' serious impact on forest areas. Mining operation reduces the forest area.
Description : What is mining? Mention the methods of mining. Or What are the types of mining?
Last Answer : Mining is the process of extraction of metals from a mineral deposit Types of mining (a) Surface mining: Surface mining is the process of extraction of raw materials from the near-surface ... iii) Strip mining: In strip mining, the ore is stripped off by using bulldozers, stripping wheels
Description : State the need for public awareness for solving environmental problems.
Last Answer : Man has overexploited the natural resource which leads to many enviromental problems such as acid rain, ozone layer depletion, green house effect, land slides, cancer and other health problems. Lack of ... of us to cooperate with government from our side and work for the protection of environment.
Description : Differentiate between renewable & non-renewable energy resources.
Last Answer : Difference in: Renewable resources 1) The resources that can be renewed by reproduction are called renewable resources. 2) Renewable resources are inexhaustible. 3) Renewable resources are not affected ... ) Some abiotic resources are non-renewable. 5) For example- fossil fuels and minerals.
Description : Mention the importance of Environmental studies
Last Answer : ⮚ The air we breathe, the water we drink, the food we consume and the land we live on are all contaminated by the industrial activities. ⮚ There is no zero pollution ... environmental studies, people will understand the concept of "Need of development without destruction of environment".
Description : Mention the scope of Environmental studies.
Last Answer : ⮚ To get an awareness and sensitivity to the total environment and its related problems. ⮚ To motivate the active participation in environmental protection and improvement. ⮚ To develop ... ⮚ To evaluate environmental programmes interms of social, economic, ecological, and aesthetic factors
Description : What are the merits of using renewable energy resources?
Last Answer : ✔ Unlimited supply ✔ Provides energy security. ✔ Fits into sustainable development concept. ✔ Reliable and the devices are modular in size. ✔ Decentralized energy production
Description : 1. Critical mineral
Last Answer : These are essential for the economic power of a country.
Description : What is environment?
Last Answer : Environment is sum total of water, air, and land, inter-relationships among themselves and also with the human beings, other living organisms and property
Description : What are conventional energy resources? Discuss about solar energy and Ocean thermal energy.
Last Answer : Conventional energy resources are natural resources, which cannot be regenerated once they are exhausted. They cannot be used again.
Description : What is the role of an individual in the conservation of natural resources?
Last Answer : ✔ Conserve Water ✔ Conserve energy ✔ Protect the soil ✔ Promote Sustainable Agriculture
Description : Why alternate energy resources are required?
Last Answer : ⮚ The increased power demand, depleting fossil fuel resources and growing environmental pollution have led the world to think seriously for other alternative sources of energy
Description : Discuss the problems of over-exploitation of Ground water. Or Mention the effects of ground water usage?
Last Answer : ⮚ Decrease of Ground Water ⮚ Ground subsidence ⮚ Lowering of water table ⮚ Intrusion of salt water ⮚ Earthquake and landslides ⮚ Drying up of wells ⮚ Pollution of water
Description : Discuss in detail the impacts of over-grazing & agriculture.
Last Answer : Overgrazing: Livestock wealth plays a crucial role in the rural life of our country. The live stock grazing on a particular piece of grassland is called as Overgrazing. Overgrazing is a process ... regenerate". Impact of Overgrazeing: Land Degradation, Soil Erosion, Loss of useful species,
Description : Discuss the major causes & consequences of deforestation?
Last Answer : CAUSES OF DEFORESTATION 1. Developmental Projects: Development projects cause deforestation in two ways. (i) Through submergence of forest area underwater. (ii) Destruction of forest area.
Description : Define under-nutrition & mal-nutrition.
Last Answer : Under nutrition (or) under nourished: People who cannot buy enough food to meet their basic energy needs (carbohydrates) suffer from under nutrition. They receive less than 90% of these ... iron and iodine. Deficiency or lack of nutrition often leads to malnutrition resulting in several diseases
Description : Enumerate any two important aspects of environmental management. -Geography
Last Answer : The important aspects are : 1. Encouraging watershed development, rainwater harvesting, water recycling and reuse and conjunctive use of water for sustaining water supply in the long ... impact of developmental plans on environment and to formulate national and regional environmental policies.
Description : Besides earth, there are ……………. other planets which revolves around the sun. (a) two (b) one (c) seven
Last Answer : (c) seven
Description : The earth’s movement around the sun is called the ………………. of the earth. (a) revolution (b) rotation (c) motion
Last Answer : (a) revolution
Description : Our earth is a ………………….. . (a) satellite (b) moon (c) planet
Last Answer : (c) planet
Description : Plants get their light from the …………………… . (a) rockets (b) asteroids (c) stars (d) sun
Last Answer : (c) stars
Description : ………………… do not have their own light. (a) stars (b) planets (c) bulbs
Last Answer : (b) planets
Description : The heavenly bodies that do not twinkle are called ………………. . (a) planets (b) stars (c) rockets
Last Answer : (a) planets
Description : The Sun is a …………………. . (a) planet (b) star (c) satellite
Last Answer : (b) star
Description : ………………….. have their own light. (a) Stars (b) Planets (c) Asteroids
Last Answer : (a) Stars
Description : …………………. became the first Indian astonaut to go in space. (a) Kalpana Chaivla (b) Rakesh Sharma (c) Sunita Williams
Last Answer : (b) Rakesh Sharma
Description : Scientists who travel in the spacecraft are called ……………….. . (a) astronauts (b) researchers (c) engineers
Last Answer : (a) astronauts
Description : …………………….. is an important Indian space mission on Mars. (a) Chandrayaan -1 (b) Mangalyaan (c) Marsyaan
Last Answer : (b) Mangalyaan
Description : The heavenly body closest to the earth is ………………. . (a) sun (b) moon (c) mercury
Last Answer : (b) moon
Description : Satellites and planets get their light from the ……………….. . (a) asteroids (b) pluto (c) sun
Last Answer : (c) sun
Description : The heavenly bodies that twinkle are called ……………………. . (a) earth (b) moon (c) stars
Last Answer : (c) Stars
Description : What information do man-made satellites provide?
Last Answer : 1. Man made satellites provide useful information on agriculture, environment, weather, forecasting, making maps and searching for water and mineral wealth on the earth. 2. It is also used for telecommunication.
Description : For what purpose are rockets used in space travel?
Last Answer : 1. Very powerful rockets are used to send a spacecraft into space. 2. A tremendous quantity of fuel is burnt in rockets so that spacecraft weighing thousands of tons may be launched into space.
Description : I am the nearest star to the earth.
Last Answer : The sun.
Description : No other planet has a living world like mine.
Last Answer : Earth.
Description : I turn around myself and revolve around the Sun.
Last Answer : Planet.
Description : I turn around myself, around a planet and also around a star.
Last Answer : Satellite.
Description : I have my own light. It is only from me that the planets get light and heat.
Description : You can see me from the earth but the lighted part of me that you see changes every day.
Last Answer : The moon.
Description : Which planet in the Solar System is furthest from the sun?
Last Answer : Neptune
Description : Name the planets beyond the orbit of Mars in serial order.
Last Answer : Jupiter, Saturn, Uranus and Neptune.
Description : Which planet is placed between the earth and mercury?
Last Answer : Venus
Description : At what position is the earth from the Sun?
Last Answer : Third
Description : Which planet is nearest to the Sun?
Last Answer : Mercury
Description : What will happen to our solar system if the sun were to suddenly disappear?
Last Answer : 1. If the sun were to suddenly disappear all life forms on earth will cease, because the sun is a source of light and heat. 2. There will be complete darkness on all planets. 3. The planets will move from their orbits and may clash against each other.