Select Board & Class
Give six differences between biodegradable and non-biodegradable with examples???
what is the largest biological system in the world?
what is terrestrial ecosystem?
Make a forest, grassland & a an aquatic food chain. Name the various trophic levels
Why forest is called biodiversity hotspot?
What will be impact on ecosystem if bacteria and fungi are removed from the environment?
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
methods of disposal of non biodegradable waste
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.
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?
trophic levels? Give an example of a food chain and state the
different trophic levels in it.
What is 10 percent law? Explain with an example how energy flows through different trophic levels.
Why do we need to use our environmental resources judiciously
wat are the advantages of disposable paper cups over disposable plastic cups?
What is the difference between saprophytes and decomposers?
how long are various non biodegradable expected to last in our environment?
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.
difference between detrivores,decomposers and scavengers.
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?
Describe any five modes of waste disposal?
There are certain NGO's which motivate general public to donate clothes, books, toys, stationary items, utensils, etc. to them. these NGO's further segregate and distribute these items to the needy. answer these:
(a) in ur opinion wat objective(s) are fullfilled by this action initiative?
(b) wat value do they promote?
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.
which bacteria was found in river ganga water indicating contamination
how does study of food chain of an area or habitat help us?
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?
what is biological magnification
how plastics are recycled. does the recycling process have an impact on the environment
What are the effects of non biodegradable substances on the environment??
WHY IS WATER KNOWN AS :BLUE GOLD"
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
1)What is the average value for the amount of organic matter that present at each step and reaches the next level of consumers?
why are crop fields known as artificial ecosystems?
1)What happens when some fish and plants die in a pond?
write characteristics of food web?
what is the impact of human activity on environment
If all waste we generate is biodegradable, what impact may this have on the environment?
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.
How increasing demands for the energy adversely affect our environment?
Why are some substances biodegradable and some are non- biodegradable???
PREVENTION AND CONTROL MEASURES OF OZONE LAYER DEPLETION
ozone is deadly poisonous still it performs an essential function.
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?
What are natural resources? State two factors that work against an equitable distribution of these resources.
Name any two biotic and abiotic components of ecosystem.
why food chain generally consist 3 or 4 steps
Copyright © 2022 Aakash EduTech Pvt. Ltd. All rights reserved.
E.g: 9876543210, 01112345678
We will give you a call shortly, Thank You
Office hours: 9:00 am to 9:00 pm IST (7 days a week)