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
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?
What is cultural or accelerated Eutrophication?
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///
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 is integrated organic farming, mention the five processes involved in this .?
What measures, as an individual, you would take to reduce environmental pollution?
What is the objective of Environment Protection Act , 1986 ?
full form of JFM
what is BOD? (expansion)
defination of 1.Soil Erosion and 2.desertification.
what do u mean by smokestacks and smelters?
working of electrostatic precipitator
deforestration decreases with enhanced awareness of forest conservation
what is phaeophitisation?
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%
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 is meant by evencs??
is polyblend successful?
why burying nuclear wastes deep inside earth's crust had an stiff opose from public?
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 .
if ozone is made with help of oxygen then why we all are worry about the depletion of ozone because oxygen is present in atmosphere in enormous amount it can be made again and again???
What is polyblend? point out its raw material. How will it be advantageous?
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
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 %
what is biomagnification?
(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
(Atleast one page/2sides)
Plz can u tell me how can u start writing this ans in a proper step by step way as this ans should be big...
public interest litigation
rnDiscuss 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
wat is the el nino effect? how does it affect biodiversity?
Explain Biochemical Oxygen Demand (BOD)???
Select the correct Statement regarding mechanism of concentration Of the filtrate—
(1 ) The counter current system contributes in diluting the urine
(2 ) Counter current system perform by Henle's loop and peritubular capillaries
(3) The flow of filtrate in the two limbs of Henle's loop is in same direction and thus form a counter Current (4) The proximity between the Henle's loop and vasa recta as well as the counter current in them help in maintaining an increasing osmolarity towards the inner medullary interstitium.
what do u mean by phaeophytization? plz giv a detailed info
what is EL Nino effect
Q. How many meiotic divisions are required to produce 250 pollen grains in an angiosperm?
(1) 60 (2) 63 (3) 626 (4) 312
why are green algae not likely to be found in the deepest strata of the ocean?
Q. How many hormones from the below list interact with intracellular receptors and regulate chromosome function and gene expression. GH, Oxytocin, ADH, ANF, Aldosterone, Cortisol, Thyroxin, Epinephrine, Estradiol, GnRH, Progesterone
(1) Four (2) Five (3) Six (4) Seven
1. What is organic farming? How did Ramesh Chandra Dagar practice this?
What is cultural or accelerated Eutrophication?
(1) 12 atm (2) 72 atm (3) - 12 atm (4) 1.4 atm.
Why ozone hole is devoloped in Antarctica?
Q.9. The biochemical objective of PS I is to
(1) oxidise NADPH
(2) hydrolyse ATP
(3) phosphorylate ADP
(4) reduce
What are the effects of ozone depletion???
short note on controlling vehicular air pollution : a case study of delhi
answer it fast plzz///
Q. During the transmission of nerve Impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge :-
(1) first positive, then negative and continue to be negative
(2) first negative, then positive and continue to be positive
(3) first positive, then negative and again back to positive
(4) first negative, then positive and again back to negative
Kyoto Protocol was endorsed at
1. Cop-6
2. Cop-4
3. Cop-3
4. Cop-5
Please answer with reason
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
Spoilage of oil can be detected by which fatty acid?1) Oleic acid2) Linolenic acid3) Linoleic acid4) Erucic acid
Kindly answer sir/mam.short note on ozone depletion in the stratosphere?
what is integrated organic farming, mention the five processes involved in this .?
What measures, as an individual, you would take to reduce environmental pollution?
What is the objective of Environment Protection Act , 1986 ?
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
full form of JFM
Q.174. The kind of epithelium which found in Bowman's capsule also found in :-
(1) PCT
(2) Blood vessel
(3) Henle loop
(4) Fallopian tube
what is BOD? (expansion)
defination of 1.Soil Erosion and 2.desertification.
what do u mean by smokestacks and smelters?
working of electrostatic precipitator
Q.124. In healthy person 100 ml oxygenated blood carries the how much amount of oxygen at tissue level?
(1) 5 ml.
(2) 20 ml.
(3) 15 ml.
(4) 100 ml.
deforestration decreases with enhanced awareness of forest conservation
Q.131. A man whose father was colour blind marries a woman who had a colourblind mother and normal father what percentage of male children of this couple will be colourblind :-
(1) 25 %
(2) 0 %
(3) 50 %
(4) 75 %
what is phaeophitisation?
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%
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?
become turgid and B become plasmolysed then
what will happen ?
(A) OP and ψw of cell A increases
(B) OP decreases and ψw increase in cell A
(C) OP and ψw of cell B increases
(D) ψw decreases and OP increases in cell B
Which of the above statements are correct ?
(1) A and B
(2) A and C
(3) B and D
(4) only D
Q.134. If template strand of a gene has base sequence 5'GAC TAG CCA3'. What will be the sequence of bases in m RNA transcribed by it ?
(1) 5' CUG AUC GGU 3'
(2) 5' UGG CUA GUC 3'
(3) 3' CUG AUC GGU 5'
(4) 3' UGG CUA GUC 5'
What is the difference between reforestation and deforestation??? (atleast 3 points)
Where is this in Ncert?
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 meant by evencs??
is polyblend successful?
why burying nuclear wastes deep inside earth's crust had an stiff opose from public?
Why fertilizers and manure are added in the soil?
(1) More than turgor pressure
(2) Less than turgor pressure
(3) Equal to turgor pressure
(4) Zero
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.59. Which of the following statements is correct?
(1) Nitrification is a reduction process
(2) The conversion of nitrate into is denitrification
(3) The conversion of nitrate into ammonia occurs in leaves
(4) Nitrogen fixation is oxidation of atmospheric nitrogen
hey r u from rgukt
Q.141. In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, the frequency of allele a in the population is :-
(1) 0.4
(2) 0.5
(3) 0.6
(4) 0.7
'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 .
if ozone is made with help of oxygen then why we all are worry about the depletion of ozone because oxygen is present in atmosphere in enormous amount it can be made again and again???
(1) 30
(2) 15
(3) 45
(4) 60
What is polyblend? point out its raw material. How will it be advantageous?
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
Q.112. During phloem loading
(1) Loss of solute particles causes increase of water potential in the phloem
(2) Water returns to the xylem
(3) Sucrose enters in the sieve tube cell by passive transport
(4) Creates hypertonic cordition in the sieve tube ceil