Select Board & Class
write the harmful effects of using plasatic bags, on the environment. suggest alternatives to plastic bags.
i want written evs project on the topic -"It is possible to reduce river pollution by using the sewage water for irrigation" with the following points:First term1.selection of project2.objectives3.review of literature4.relevance5.proposed methodologySecond Term1.decription of method followed2.observations3.analysis4.result/conclusion5.report writing
what is biomagnification?
public interest litigation
Discuss the causes and effects of global warming. What measures need to be taken to control global warming?
identify unnecessary sources of noise pollution which can be reduced immediately without any financial loss to anybody?
Dear experts
Can you help me out in choosing an investigatory project in biology class 12th ? kindly requesting u to rply
Solve this: Two genes A and B present on same chromosome show 30% recombination frequency, then what will be the percentage of gamete (aB) for the plant having genotype AaBb in cis arrangement : (1) 40% (2)70% (3) 20% (4) 15%
wat is the el nino effect? how does it affect biodiversity?
Explain Biochemical Oxygen Demand (BOD)???
what do u mean by phaeophytization? plz giv a detailed info
what is EL Nino effect
why are green algae not likely to be found in the deepest strata of the ocean?
1. What is organic farming? How did Ramesh Chandra Dagar practice this?
Why ozone hole is devoloped in Antarctica?
What are the effects of ozone depletion???
short note on controlling vehicular air pollution : a case study of delhi
answer it fast plzz///
what is herbination
Kyoto Protocol was endorsed at
1. Cop-6
2. Cop-4
3. Cop-3
4. Cop-5
Please answer with reason
Spoilage of oil can be detected by which fatty acid?1) Oleic acid2) Linolenic acid3) Linoleic acid4) Erucic acid
short note on ozone depletion in the stratosphere?
What measures, as an individual, you would take to reduce environmental pollution?
What is the objective of Environment Protection Act , 1986 ?
can u plz xplain EURO NORMS.....plz.....quick!!
full form of JFM
videos r good..!! add some more of them, they make learning interesting..!!
what is BOD? (expansion)
Can sumone give a gud introduction of thz chap properly
defination of 1.Soil Erosion and 2.desertification.
How is it possible to estimate the amount of biodegradable matter through BOD?
working of electrostatic precipitator
Among burial and cremation, which one do you think is better and why?
*not sure if this is out of syllabus*
deforestration decreases with enhanced awareness of forest conservation
what is phaeophitisation?
how to prepare for AIPMT in these 40 days after boards? I am thorough with class 12 cbse pattern syllabus but what about class 11 syllabus and class 12 entrance syllabus?very confused plz?
What is the difference between reforestation and deforestation??? (atleast 3 points)
what do u mean by smokestacks and smelters?
what is meant by evencs??
this video is so nice thnx @mreitnation...
can i get the chapter adolescent issues..................
Why fertilizers and manure are added in the soil?
plz define me the exat definition of greenhouse effect nd global warming?
HOW WATER LOGGING AND SOIL SALINITY ARE RELATED, ALSO DEFINE BOTH OF THEM?
hey r u from rgukt
'Evencs the only solution for treatment of e-wastes'. What does 'evencs' mean in this sentence?
What are the various constituents of domestic sewage ? Discuss the effect of sewage discharge on water bodies.
what is biomagnification?please explain .
1. How eutrophication leads to increase in temperature of water bodies
2. Explain why " Thermal waste water eliminates or reduces the number of organism sensitive to high temperature ".
what are EcoSan toilets
What is polyblend? point out its raw material. How will it be advantageous?
Loading of phloem is related to1) increase of sugar in phloem2) elongation of phloem cell3) separation of phloem parenchyma4) strengthening of phloem fibre
describe the participation of people in the conservation of forests in india by taking bishnoi community incident and chipko movement as examples. add a note on joint forest management
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Syllabus
write the harmful effects of using plasatic bags, on the environment. suggest alternatives to plastic bags.
i want written evs project on the topic -"It is possible to reduce river pollution by using the sewage water for irrigation" with the following points:First term1.selection of project2.objectives3.review of literature4.relevance5.proposed methodologySecond Term1.decription of method followed2.observations3.analysis4.result/conclusion5.report writing
what is biomagnification?
Q.171. The given nervous system figure illustrate the axonal membrane and propagation of nerve impulse what will be the direction of propagation of nerve impulse:-
(1) X Y
(2) Y X
(3) Z Y
(4) Y Z
Q.112. Study the pedigree chart given below :-
What does it show -
(1) Inheritance of a recessive sex-linked disease like haemophilia
(2) Inheritance of a sex-linked inboron error of metabolism like phenyl ketoneuria.
(3) Inheritance of a condition like cystic fibrosis as an autosomal recessive trait
(4) The pedigree chart is Y-linked Inheritance
public interest litigation
rn(1) OP & TP increase & its DPD increase
(2) OP & DPD increase & TP decrease
(3) TP & DPD decrease & OP increase
(4) OP & DPD decrease & TP increase
Discuss the causes and effects of global warming. What measures need to be taken to control global warming?
identify unnecessary sources of noise pollution which can be reduced immediately without any financial loss to anybody?
Dear experts
Can you help me out in choosing an investigatory project in biology class 12th ? kindly requesting u to rply
Solve this:
Two genes A and B present on same chromosome show 30% recombination frequency, then what will be the percentage of gamete (aB) for the plant having genotype AaBb in cis arrangement :
(1) 40% (2)70%
(3) 20% (4) 15%
wat is the el nino effect? how does it affect biodiversity?
Explain Biochemical Oxygen Demand (BOD)???
(1) 30
(2) 15
(3) 45
(4) 60
what do u mean by phaeophytization? plz giv a detailed info
Q.18. Select an incorrect statement w.r.t. metaphase
(1) Spindle fibres are attached to small disc shaped structures at the surface ofcentromeres called kinetochores
(2) The plane of alignment of the homologous pair of chromosomes at metaphase is referred to as the metaphasic plate
(3) Chromosome appears to be made up of two sister chromatids
(4) The size of chromosomes can be studied inthis phase
what is EL Nino effect
16. When a plant cell is placed in a hypotonic solution, which of the following will not apply?
(1) Wall pressure is decreased (2) The cell become turgid (3) Suction pressure of the cell sap will decrease
(4) Water potential of the cell sap will increase
why are green algae not likely to be found in the deepest strata of the ocean?
155. Which one is incorrect with respect to gel electrophoresis :-
(1) Wells for DNA sample loading are made at anode
(2) Largest bands of DNA lie far away from anode
(3) Smallest bands of DNA lie near to anode
(4) Both (1) and (3)
1. What is organic farming? How did Ramesh Chandra Dagar practice this?
Why ozone hole is devoloped in Antarctica?
What are the effects of ozone depletion???
Q.123. A holandric gene is known for hypertrichosis (long hairs on ears). When a man with hairy ears marries a normal woman, what percentage of their sons would be expected to have hairy ears :-
(1) 100 %
(2) 0 %
(3) 50 %
(4) 25 %
short note on controlling vehicular air pollution : a case study of delhi
answer it fast plzz///
what is herbination
Kyoto Protocol was endorsed at
1. Cop-6
2. Cop-4
3. Cop-3
4. Cop-5
Please answer with reason
Spoilage of oil can be detected by which fatty acid?1) Oleic acid2) Linolenic acid3) Linoleic acid4) Erucic acid
Kindly answer sir/mam.Q.15. Which of the following is correct regarding structure of section of cilia and flagella:-
short note on ozone depletion in the stratosphere?
Global Warming.? Give the relative contribution of various Green House Gases in the
form of a pie chart and explain the fate of the energy of sunlight reaching the earth?s
surface contributing towards Global Warming.
What measures, as an individual, you would take to reduce environmental pollution?
What is the objective of Environment Protection Act , 1986 ?
can u plz xplain EURO NORMS.....plz.....quick!!
full form of JFM
videos r good..!! add some more of them, they make learning interesting..!!
what is BOD? (expansion)
Can sumone give a gud introduction of thz chap properly
defination of 1.Soil Erosion and 2.desertification.
How is it possible to estimate the amount of biodegradable matter through BOD?
Catalytic converter
Ozone depletation
(plz... give me answer for my project work)
a) chromium
b) cadmium
c) sodium
d) selenium
working of electrostatic precipitator
Among burial and cremation, which one do you think is better and why?
*not sure if this is out of syllabus*
deforestration decreases with enhanced awareness of forest conservation
4. Which of the four most abundant elements in most plants (C,H,O and N), does a terrestrial green plant procure mainly through its roots from the soil ?
(1) H and O (2) H and N (3) C and O (4) O and N.
what is phaeophitisation?
Q.02. Which one is an odd pair?
(1) Femur - Humerus
(2) Tibia - Radius
(3) Axis - Atlas
(4) Tarsal - Carpals
how to prepare for AIPMT in these 40 days after boards? I am thorough with class 12 cbse pattern syllabus but what about class 11 syllabus and class 12 entrance syllabus?very confused plz?
Q 63 . How many types of phenotypic and genotypic categories respectively are produced by genotype aa Bb cc DD Ee ff :-
(1) 4, 8 (2) 9, 4 (3) 16, 9 (4) 4, 9
cloudbursts, increase in surface temperature of the sea etc., and attribute them
to climate change. Explain, in detail, the phenomenon responsible for climate
change.....this question is of 4 marks so answer accordingly
What is the difference between reforestation and deforestation??? (atleast 3 points)
what do u mean by smokestacks and smelters?
what is meant by evencs??
this video is so nice thnx @mreitnation...
can i get the chapter adolescent issues..................
Why fertilizers and manure are added in the soil?
Q.4. One set of a plant was grown at 12 hrs. day and 12 hours night period cycles and it flowered. While in the other set night phase was interrupted by flash of light and it did not flower. Under which one of the following categories will you place this plant
(1) Short day
(2) Long day
(3) Darkness neutral
(4) Day neutral
plz define me the exat definition of greenhouse effect nd global warming?
HOW WATER LOGGING AND SOIL SALINITY ARE RELATED, ALSO DEFINE BOTH OF THEM?
Q.108. Jurassic period of the mesozoic era is characteristic by -
(1) Dinosaurs became extinct and angiosperms appear
(2) Flowering plants and first dinosaurs appear
(3) Gymnosperms were dominant plants and first toothed birds appeared
(4) Radiation of reptiles and origin of mammal like reptile
hey r u from rgukt
'Evencs the only solution for treatment of e-wastes'. What does 'evencs' mean in this sentence?
What are the various constituents of domestic sewage ? Discuss the effect of sewage discharge on water bodies.
what is biomagnification?please explain .
1. How eutrophication leads to increase in temperature of water bodies
2. Explain why " Thermal waste water eliminates or reduces the number of organism sensitive to high temperature ".
what are EcoSan toilets
What is polyblend? point out its raw material. How will it be advantageous?
Loading of phloem is related to1) increase of sugar in phloem2) elongation of phloem cell3) separation of phloem parenchyma4) strengthening of phloem fibre
Kindly answer sir/mam..describe the participation of people in the conservation of forests in india by taking bishnoi community incident and chipko movement as examples. add a note on joint forest management