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Give six differences between biodegradable and non-biodegradable with examples???
Make a forest, grassland & a an aquatic food chain. Name the various trophic levels
ozone is deadly poisonous still it performs an essential function.
Why forest is called biodiversity hotspot?
In a food chain,if 10000 joules of energy is available to the producer,how much energy will be available to the secondary consumer to transfer it to the tertiary consumer
What hazardous materials have to be dealt with while disposing of electronic items? How would these materials affect the environment?
list examples of photo autotrophs and chemo autotrophs
methods of disposal of non biodegradable waste
If the regulations put in place to control the emission of these chemicals have succeeded in reducing the damage to the ozone layer.Has the size of the hole in the ozone layer changed in recent years?
what are the two main components of our environment ?
Draw and explain Khadin system of water harvesting.
what is the full form of DDT ?
Give an example of aquatic food chain.
how long are various non biodegradable expected to last in our environment?
trophic levels? Give an example of a food chain and state the
different trophic levels in it.
how plastics are recycled. does the recycling process have an impact on the environment
What is 10 percent law? Explain with an example how energy flows through different trophic levels.
wat are the advantages of disposable paper cups over disposable plastic cups?
Identify which one of the following would have a hazardous impact if they persist in the environment for a long time: Newspaper, Vegetable Peels, Pesticides, Waste from cattle shed.
What is the difference between saprophytes and decomposers?
How can you help in reducing the problem of waste disposal? Give any two methods
What is ozone layer and how does it affect the ecosystem?
Suggest three ways to maintain a balance between environment and development to survive.
Q1. Why some substances are degraded and others not?
Q2. Construct a food chain composing the following Snake, hawk,rats,palnts?
Q3. If all the wastes we generate is bio-degradable what impact may this have on the environment?
Q4. Write the harmful effect of ozone depletion.
Q5. What are decomposers and what is the importance of them in the ecosystem?
Q6. Why flow of energy is unidirectional whereas flow of nutrients is cyclic?
Q7. What will happen to grasslands if all the grazers are removed from there?
Q8. What is biological magnification and give its cause?
Q9. What limits the number of trophic levels in a food chain?
Q10. What will happen if decomposers are not there in the environment?
difference between detrivores,decomposers and scavengers.
Why do we have a greater number of organisms at lower trophic levels?
we do not clean ponds or lakes, but an aquarium needs to be cleaned. why?
what are the advantages of cloth bags over plastic bags during shopping?
industrialists are referred to as one of the stakeholders for conservation of forests.Give reasons.
what will happen if we kill all the organism in one trophic level?
Describe any five modes of waste disposal?
Consider a food chain Grass - goat -tiger . If the tiger has 30 j of the energy available in this food chain . How much energy was orginally available for grass . Why ?
Give any 2 -2 ways in which biodegradable and non biodegradable substances affects the environment?
"energy flow in a food chain is unidirectional."justify this statement
Select the abiotic components of the environment a} Light b} Fungusc} Monkeyd} Humidity
What is slogan of chipko movement ?
Write on the damage caused to forests by the following-
a) Building rest houses for tourists in national parks.
b) Grazing domestic animals in national parks.
c) Tourists throwing plastic bottles/covers and other litter in national parks.
which bacteria was found in river ganga water indicating contamination
What is biodiversity. Why it is important to conserve biodiversiy ?
the role of decomposers in the ecosystem?
whether leather is biodegradable or non-biodegradable
what limits the number of trophic levels in a food chain?
why food chains generally consists of three or four steps only?
are these two questions one nd the same?
1)How can you say that a garden is a ecosystem?
what is biological magnification
An aquarium is known as artificial ecosystem. Why?
What are the effects of non biodegradable substances on the environment??
Explain the phenomenon of biological magnification. How does it affect organism belonging to different trophic levels particularly the tertiary consumer?
can i have some slogans on reduce, reuse and recycle...pls @'-,-- ♥
the following constitute a food-chain?
wheat and mango
goat and human
cow and elephant
fish and goat
why are crop fields known as artificial ecosystems?
can we consider any group of organisms of primary importance why or why not?
what is the largest biological system in the world?
what is terrestrial ecosystem?
Q1.'A clean environment is a public facility" Explain this statement in detail.
Q2.Why are companies and contractors able to voilate environmental laws?
write characteristics of food web?
Calculate the amount of energy that will be available to big fish in the following food chain , if 10000J of energy is available to small algae from the sun :
Small algae------------ Zooplankton------------- Fish------------ Big Fish
Give me whole solution.
what is the impact of human activity on environment
If all waste we generate is biodegradable, what impact may this have on the environment?
How increasing demands for the energy adversely affect our environment?
Why are some substances biodegradable and some are non- biodegradable???
Why are green plants called producers?
Briefly describe the food chain and food web and write why is the foodweb more real than food chain ? At least 3 points.
What would happen if there were no decomposers in the ecosystem?
PREVENTION AND CONTROL MEASURES OF OZONE LAYER DEPLETION
List two reasons to show that the existence of decomposers is essential for ecosystem.
why food chain generally consist 3 or 4 steps
how does study of food chain of an area or habitat help us?
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