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CBSE - X - Biology - Environment
(A)Assertion : aquarium needs to be cleaned regularly (R)Reason : In an aquarium there is no microbes to clean the water. a) both A and R are true and R is correct explaination for A. b) both A and R are true but R notthe correct explanation of c) A is true R is false d) A is false R is true
Asked by karthikeyanponraj0109
30th December 2022,
10:14 PM
CBSE - X - Biology - Environment
biomagnification
Asked by siyashandilya1234
12th April 2021,
8:50 AM
CBSE - X - Biology - Environment
Why is damage to ozone layer is a cause of concern? Why steps are being taken to limit this damage?
Asked by saketarnav2005
29th October 2020,
9:23 AM
CBSE - X - Biology - Environment
What is the effect of biomagnification on organisms of different trophic levels, especially the tertiary consumers?
Asked by sajalbhat
15th April 2020,
12:07 AM
CBSE - X - Biology - Environment
How doesw water shed management increases biomass production
Asked by Kawalsyali
1st March 2020,
12:19 PM
CBSE - X - Biology - Environment
dumping of non biodegradable wastes reduce crop yield . why?
Asked by bhavanisalunkhe33
26th February 2020,
12:18 PM
CBSE - X - Biology - Environment
Please solve this below question
Asked by manjularaj4623
23rd February 2020,
12:28 PM
CBSE - X - Biology - Environment
define the term biomagnification
Asked by hemasuma1975
24th January 2020,
9:23 PM
CBSE - X - Biology - Environment
Which plants are called as ecological terrorists and why
Asked by saradamahapatra9999
18th January 2020,
6:00 AM
CBSE - X - Biology - Environment
explain the phenomenon of biological magnification .How does it affect organisms belonging to different tropic level particularly the tertiary consumers
Asked by shivaniab7
13th December 2019,
2:28 PM
CBSE - X - Biology - Environment
Recycling is a good method for conservation of resources and disposal of waste. Justified the statement
Asked by Kozavietsho
19th September 2019,
7:54 PM
CBSE - X - Biology - Environment
How is ozone made and how it is destroyed?
Asked by s6vsthigade1772004
31st August 2019,
11:22 PM
CBSE - X - Biology - Environment
How the hole in ozone can be minimised means how to prevent ozone layer
Asked by chpratik11
28th August 2019,
11:06 PM
CBSE - X - Biology - Environment
what is biomagnification?
Asked by pabitra.nalini1974
15th August 2019,
9:42 PM
CBSE - X - Biology - Environment
What is the important function of presence of ozone in earth’s atmosphere?
Asked by gargi.gholap
26th April 2019,
1:18 PM
CBSE - X - Biology - Environment
Explain biomagnification with the help of DDT in water i.e. in the food chain phytoplankton→zooplankton→small fish→big fish→human
Asked by sajal2402
23rd February 2019,
6:30 PM
CBSE - X - Biology - Environment
1.What is ozonification & deozonification?
Asked by agraharianiruddha
4th December 2018,
7:19 PM
CBSE - X - Biology - Environment
sir i cannot understand the environment chapter of class 10.Can you please explain me
Asked by monimala264
1st December 2018,
1:50 AM
CBSE - X - Biology - Environment
Name two waste material which can be recycled
Asked by deepakpandey_bba18_21
30th October 2018,
6:17 PM
CBSE - X - Biology - Environment
Depletion of ozone layer
Asked by Deep2510
5th October 2018,
6:03 AM
CBSE - X - Biology - Environment
Suggest a way to dispose vegetable peels so that the environment is not polluted
Asked by Vijjuacharya956
22nd September 2018,
6:20 PM
CBSE - X - Biology - Environment
Explain how the pesticides enter a food chain and subsequently get into our body
Asked by aryanggujjar
18th July 2018,
6:03 PM
CBSE - X - Biology - Environment
Do oxygen exist above the ozone layer ?
Asked by pawanky31
28th June 2018,
10:44 AM
CBSE - X - Biology - Environment
why should biodegradable and non-biodegradable wastes be discarded in two different dustbins ?
Asked by suvidhaappt843
11th June 2018,
3:13 PM
CBSE - X - Biology - Environment
WHAT IS EUTROPHICATION
Asked by amolshukal.2001
12th January 2018,
9:37 AM
CBSE - X - Biology - Environment
"Energy flow in food chains is always unidirectional ". Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body.
Asked by pdcavita
8th December 2017,
12:26 PM
CBSE - X - Biology - Environment
test question biology
Asked by akshay.beloshe
22nd November 2017,
3:57 PM
CBSE - X - Biology - Environment
Testing-what is environmental prob;lems?
Asked by akshay.beloshe
20th November 2017,
12:40 PM
CBSE - X - Biology - Environment
Name the disease caused in human beings due to depletion of ozone layer in the atmosphere.
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
State one advantage of using disposable paper cups over disposable plastic cups?
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
Name the type of compounds which are used as refrigerants and in fire extinguishers and deplete the ozone layer in the atmosphere.
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
Select the biodegradable wastes from the following: DDT, Crop residue, Leather and glass.
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
'' Burning fossil fuels is a cause of global warming.'' Justify this statement.
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
Select two non - biodegradable substances from the following waste generated in a kitchen : spoilt food, paper bags, milk bags, vegetable peels, tin cans, used tea leaves
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
What do you mean by ozone depletion? Also mention the cause of ozone depletion briefly.
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
Define the process of incineration. Why it is considered as the safe method of waste disposal?
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
Expand the term CFCs.
Asked by Topperlearning User
25th July 2017,
3:17 PM
CBSE - X - Biology - Environment
What are aerosols and how do they cause global warming
Asked by B P
19th March 2017,
4:29 PM
CBSE - X - Biology - Environment
why is the government stressingupon the use of jute / cloth carry bags ?
Asked by Arun
16th January 2016,
10:02 PM
CBSE - X - Biology - Environment
what is ganga action plain
Asked by zoyajawaid1999
2nd March 2015,
10:26 AM
CBSE - X - Biology - Environment
how is petrol and coal formed?
how can these resourses be used carefully?
Asked by Anand Sarover
28th February 2015,
5:18 PM
CBSE - X - Biology - Environment
I want an innovative idea for my project"Chamges in the cropping pattern with respect to weather and climate"
Asked by Pawan
18th December 2014,
8:21 PM
CBSE - X - Biology - Environment
8% of Ozone is present in the lower Troposphere and it causes respiratory problems. Then why aren't we unaffected from these.
Asked by Shashank Shekhar
28th September 2014,
11:00 AM
CBSE - X - Biology - Environment
what is global warming?
Asked by Krishna Kumar Yadav
25th September 2014,
2:36 PM
CBSE - X - Biology - Environment
Which of the following materials are biodegradable? Glass, leather, glucose, silver foil.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - X - Biology - Environment
What is coliform?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - X - Biology - Environment
Ozone is deadly poisonous; still it performs an essential function. How?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - X - Biology - Environment
How is depletion of ozone layer in the atmosphere responsible for causing skin cancer?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - X - Biology - Environment
Use of paper bags is more environment friendly than the use of polythene bags for packaging. Justify.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - X - Biology - Environment
could you provide an essay or some main points on the topic " terrorism - a threat to global peace and harmony. pls
i have put the subject as biology because when i put english the question is not accepted
Asked by dazzlerumix
12th May 2014,
9:04 PM
CBSE - X - Biology - Environment
What are the probable damages due to ozone layer depletion?
Asked by Topperlearning User
4th December 2013,
8:45 AM
CBSE - X - Biology - Environment
Why some materials are biodegradable whereas others are non-biodegradable?
Asked by Topperlearning User
3rd December 2013,
3:52 AM
CBSE - X - Biology - Environment
How can we help in reducing the problem of waste disposal? List any two ways.
Asked by Topperlearning User
22nd November 2013,
10:31 AM
CBSE - X - Biology - Environment
Name any two non-biodegradable wastes.
Asked by Topperlearning User
22nd November 2013,
10:28 AM
CBSE - X - Biology - Environment
Describe some methods of disposal of wastes that are environment friendly.
Asked by Topperlearning User
21st November 2013,
11:34 PM
CBSE - X - Biology - Environment
Pesticides are useful to farmers yet considered as pollutants. Given reasons.
Asked by Topperlearning User
21st November 2013,
11:32 PM
CBSE - X - Biology - Environment
"Industrialization is one of the main causes of deterioration of environment". List any four reasons in favour of this statement.
Asked by Topperlearning User
21st November 2013,
11:30 PM
CBSE - X - Biology - Environment
Mention any two effects of ozone depletion.
Asked by Topperlearning User
21st November 2013,
11:24 PM
CBSE - X - Biology - Environment
Differentiate between biodegradable and non-biodegradable waste materials.
Asked by Topperlearning User
21st November 2013,
11:23 PM
CBSE - X - Biology - Environment
How do biodegradable subtances affect the environment?
Asked by
25th February 2008,
5:56 PM
