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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
Why forest is called biodiversity hotspot?
What is the difference between saprophytes and decomposers?
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
list examples of photo autotrophs and chemo autotrophs
All flesh is grass. Comment and explain with the help of an example.
methods of disposal of non biodegradable waste
what are the two main components of our environment ?
Draw and explain Khadin system of water harvesting.
which 2 tings become clear with energy flow diagram
what is the full form of DDT ?
Give an example of aquatic food chain.
how plastics are recycled. does the recycling process have an impact on the environment
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
write a common feature between a food chain and energy flow in nature.
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?
Why do we have a greater number of organisms at lower trophic levels?
How can you help in reducing the problem of waste disposal? Give any two methods
1)What is the average value for the amount of organic matter that present at each step and reaches the next level of consumers?
What is ozone layer and how does it affect the ecosystem?
Suggest three ways to maintain a balance between environment and development to survive.
How CFCs affect ozone layer? Explain using reactions between CFC and ozone.
difference between detrivores,decomposers and scavengers.
Study the food chain given below:
Grass ---- Sheep or goat --- Man
Algae ---- Fish ----- Man
Who is the ultimate sufferer of using pesticide like DDT on land and in water? Give reasons.
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?
what will happen if we kill all the organism in one trophic level?
PREVENTION AND CONTROL MEASURES OF OZONE LAYER DEPLETION
Describe any five modes of waste disposal?
WHY IS WATER KNOWN AS :BLUE GOLD"
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
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.
How evolutionary relationship is linked to classification?
which bacteria was found in river ganga water indicating contamination
What is biodiversity. Why it is important to conserve biodiversiy ?
What is the role of decomposers in the ecosystem?
how does study of food chain of an area or habitat help us?
whether leather is biodegradable or non-biodegradable
1)How can you say that a garden is a ecosystem?
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?
what is biological magnification
What are the effects of non biodegradable substances on the environment??
Why do we need to use our environmental resources judiciously
can i have some slogans on reduce, reuse and recycle...pls @'-,-- ♥
Is it possible to have an inverted pyramid of energy? State reason.
Which of the following constitute a food-chain?
(a) Grass, wheat and mango
(b) Grass, goat and human
(c) Goat, cow and elephant
(d) Grass, fish and goat
Don't add fuel to the fire of the Global Warming-THIS SLOGAN IS GOOD OR NOT FOR PETROLEUM.PLZ EXPERTS REPLY SOOOOOOOON.....:)
why are crop fields known as artificial ecosystems?
imagine for a moment that the earth has no atmosphere. what would be the colour of the sky in this situation? write in one sentence the reason.
what is the largest biological system in the world?
what is terrestrial ecosystem?
write characteristics of food web?
What do you mean by transverse fission?What are its types?Explain in detail.You can copy.It is better if you give me a link to its diagram.
what is the impact of human activity on environment
In which tropic level will u put Insectivorous plants????????????? (eg. pitcher plant)
If all waste we generate is biodegradable, what impact may this have on the environment?
kamgaroos are confined in one continent only. name the continent. give the scientific cause of?
How increasing demands for the energy adversely affect our environment?
water cycle
Why are some substances biodegradable and some are non- biodegradable???
how long are various non biodegradable expected to last in our environment?
Why are green plants called producers?
What hazardous materials have to be dealt with while disposing of electronic items? How would these materials affect the environment?
Briefly describe the food chain and food web and write why is the foodweb more real than food chain ? At least 3 points.
can we say the microbes present on a human dead body (of five or six days) are microbes
What would happen if there were no decomposers in the ecosystem?
why food chain generally consist 3 or 4 steps
How does uv affect our skin diseases, cancer, cataract etc.?
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Syllabus
Give six differences between biodegradable and non-biodegradable with examples???
Make a forest, grassland & a an aquatic food chain. Name the various trophic levels
Why forest is called biodiversity hotspot?
What is the difference between saprophytes and decomposers?
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
list examples of photo autotrophs and chemo autotrophs
All flesh is grass. Comment and explain with the help of an example.
methods of disposal of non biodegradable waste
secondary consumers. Explain how this energy is lost from the food chain.
what are the two main components of our environment ?
Draw and explain Khadin system of water harvesting.
which 2 tings become clear with energy flow diagram
what is the full form of DDT ?
Give an example of aquatic food chain.
how plastics are recycled. does the recycling process have an impact on the environment
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
write a common feature between a food chain and energy flow in nature.
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?
Why do we have a greater number of organisms at lower trophic levels?
How can you help in reducing the problem of waste disposal? Give any two methods
1)What is the average value for the amount of organic matter that present at each step and reaches the next level of consumers?
What is ozone layer and how does it affect the ecosystem?
Suggest three ways to maintain a balance between environment and development to survive.
How CFCs affect ozone layer? Explain using reactions between CFC and ozone.
difference between detrivores,decomposers and scavengers.
Study the food chain given below:
Grass ---- Sheep or goat --- Man
Algae ---- Fish ----- Man
Who is the ultimate sufferer of using pesticide like DDT on land and in water? Give reasons.
we do not clean ponds or lakes, but an aquarium needs to be cleaned. why?
(a) the process of eating and being eaten
(b) the relationship between abiotic and biotic component
what are the advantages of cloth bags over plastic bags during shopping?
Assertion: Garden is an artificial ecosystem
Reason : Biotic and abiotic components are manipulated by humans.
what will happen if we kill all the organism in one trophic level?
PREVENTION AND CONTROL MEASURES OF OZONE LAYER DEPLETION
Describe any five modes of waste disposal?
WHY IS WATER KNOWN AS :BLUE GOLD"
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
Grass - Insect - Frog - Snake - Hawk
900 KJ
How much energy is available at the first and the fifth trophic level ?
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.
How evolutionary relationship is linked to classification?
which bacteria was found in river ganga water indicating contamination
What is biodiversity. Why it is important to conserve biodiversiy ?
What is the role of decomposers in the ecosystem?
how does study of food chain of an area or habitat help us?
whether leather is biodegradable or non-biodegradable
1)How can you say that a garden is a ecosystem?
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?
what is biological magnification
What are the effects of non biodegradable substances on the environment??
Why do we need to use our environmental resources judiciously
can i have some slogans on reduce, reuse and recycle...pls @'-,-- ♥
Is it possible to have an inverted pyramid of energy? State reason.
Which of the following constitute a food-chain?
(a) Grass, wheat and mango
(b) Grass, goat and human
(c) Goat, cow and elephant
(d) Grass, fish and goat
Don't add fuel to the fire of the Global Warming-THIS SLOGAN IS GOOD OR NOT FOR PETROLEUM.PLZ EXPERTS REPLY SOOOOOOOON.....:)
why are crop fields known as artificial ecosystems?
imagine for a moment that the earth has no atmosphere. what would be the colour of the sky in this situation? write in one sentence the reason.
what is the largest biological system in the world?
what is terrestrial ecosystem?
write characteristics of food web?
What do you mean by transverse fission?What are its types?Explain in detail.You can copy.It is better if you give me a link to its diagram.
what is the impact of human activity on environment
In which tropic level will u put Insectivorous plants????????????? (eg. pitcher plant)
If all waste we generate is biodegradable, what impact may this have on the environment?
kamgaroos are confined in one continent only. name the continent. give the scientific cause of?
How increasing demands for the energy adversely affect our environment?
water cycle
Why are some substances biodegradable and some are non- biodegradable???
how long are various non biodegradable expected to last in our environment?
Why are green plants called producers?
What hazardous materials have to be dealt with while disposing of electronic items? How would these materials affect the environment?
Briefly describe the food chain and food web and write why is the foodweb more real than food chain ? At least 3 points.
can we say the microbes present on a human dead body (of five or six days) are microbes
What would happen if there were no decomposers in the ecosystem?
why food chain generally consist 3 or 4 steps
How does uv affect our skin diseases, cancer, cataract etc.?