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?
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?
Rearrange the following green house gases in increasing order of their relative contribution to the total global warming :
N2O ; CFC ; CO2 ; C2H4
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
what are EcoSan toilets
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 ?
full form of JFM
what is BOD? (expansion)
defination of 1.Soil Erosion and 2.desertification.
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%
what are the examples of warm and cold water species???
working of electrostatic precipitator
deforestration decreases with enhanced awareness of forest conservation
what is herbination
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?
identify unnecessary sources of noise pollution which can be reduced immediately without any financial loss to anybody?
What is the difference between reforestation and deforestation??? (atleast 3 points)
what do u mean by smokestacks and smelters?
Why does an electrostatic precipitator first produce corona and then electrons?
what is meant by evencs??
Why fertilizers and manure are added in the soil?
plz define me the exat definition of greenhouse effect nd global warming?
What is the working function of scrubber?what is the use of a water/lime spray?
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 .
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
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)
Syllabus
write the harmful effects of using plasatic bags, on the environment. suggest alternatives to plastic bags.
(1) 30
(2) 15
(3) 45
(4) 60
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
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 is biomagnification?
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)
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
public interest litigation
rnDiscuss the causes and effects of global warming. What measures need to be taken to control global warming?
Dear experts
Can you help me out in choosing an investigatory project in biology class 12th ? kindly requesting u to rply
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
wat is the el nino effect? how does it affect biodiversity?
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
Explain Biochemical Oxygen Demand (BOD)???
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 do u mean by phaeophytization? plz giv a detailed info
(1) 12 atm (2) 72 atm (3) - 12 atm (4) 1.4 atm.
what is EL Nino effect
(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
why are green algae not likely to be found in the deepest strata of the ocean?
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'
1. What is organic farming? How did Ramesh Chandra Dagar practice this?
ACTH, TRH, ADH, LH, LTH, PIH, FSH
(1) Four
(2) Five
(3) Six
(4) Seven
Rearrange the following green house gases in increasing order of their relative contribution to the total global warming :
N2O ; CFC ; CO2 ; C2H4
Why ozone hole is devoloped in Antarctica?
Q.15. Which of the following is correct regarding structure of section of cilia and flagella:-
What are the effects of ozone depletion???
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
short note on controlling vehicular air pollution : a case study of delhi
answer it fast plzz///
42. If the given solution is of 25% concentration; then what cannot be presented for this
(1) OP (2) DPD (3) Solute potential (4) TP
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.what are EcoSan toilets
short note on ozone depletion in the stratosphere?
Q. How many meiotic divisions are required to produce 250 pollen grains in an angiosperm?
(1) 60 (2) 63 (3) 626 (4) 312
What measures, as an individual, you would take to reduce environmental pollution?
What is the objective of Environment Protection Act , 1986 ?
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
full form of JFM
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
what is BOD? (expansion)
96) Which is not a characteristic of imbibition?
(1) It does, not depend upon the affinity between inbibant and imbibate
(2) Without making any solution
(3)It is reversible phenomenon
(4) Heat is generated
defination of 1.Soil Erosion and 2.desertification.
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%
what are the examples of warm and cold water species???
Q.144. During creation of proton gradient in chloroplast, protons are removed from the :-
(1) Stroma by ATP synthase
(2) Stroma by NADP reductase enzyme
(3) Thylakoid lumen by NADP reductase enzyme
(4) Thylakoid Lumen by cytochrome b & f
working of electrostatic precipitator
deforestration decreases with enhanced awareness of forest conservation
what is herbination
what is phaeophitisation?
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
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?
identify unnecessary sources of noise pollution which can be reduced immediately without any financial loss to anybody?
What is the difference between reforestation and deforestation??? (atleast 3 points)
what do u mean by smokestacks and smelters?
Why does an electrostatic precipitator first produce corona and then electrons?
what is meant by evencs??
Q.8. If a cell A with DPD = 5 bars is connected to cells B, C and D, whose OP and TP are respectively 5 and 5, 10 and 4, and 8 and 3, the flow of water will be
(1) C to A, B to D
(2) A and D to B and C
(3) A to B, C and D
(4) B to A, B and D
Q.24. What will be the content of DNA in a somatic cell at if its meiotic products have 20 picogram of DNA?
(1) 40 Pg
(2) 20 Pg
(3) 80 Pg
(4) 160 Pg
(l) Large nucleolus compact chromatin and more nuclear pores
(2) No nucleolus ,diffused chromatin and small
nuclear pores
(3) Large nucleolus, diffuse chromatin and no
nuclear pores
(4) Large nucleolus diffuse chromatin and more
Why fertilizers and manure are added in the soil?
25. Which of the following enzyme is not used for the isolation of nucleic acid to C-DNA formation:-
(l) Lipase (2) DNase
(3) RNase (4) Protease
plz define me the exat definition of greenhouse effect nd global warming?
What is the working function of scrubber?what is the use of a water/lime spray?
HOW WATER LOGGING AND SOIL SALINITY ARE RELATED, ALSO DEFINE BOTH OF THEM?
hey r u from rgukt
128. Taenia is endoparasite by which method it will get its nutrition in vertebrates alimentary canal:-
(l) Byhooks
(2) By suckers
(3) Through general body surface
(4) Both 1 and 2
'Evencs the only solution for treatment of e-wastes'. What does 'evencs' mean in this sentence?
126. Which of the following is a correct statement :-
(l) DNA ligase enzyme is used to create sticky ends so that they can be easily joined.
(2) Recombinant insulin is commonly being produced from transgenic E.coli
(3) "Flavr-Savr" vareity of tomato has enhanced the production of ethylene which improve its ripening
(4) "Bt" in "Bt-cotton" indicates that cotton which is developed by Biotechnology
What are the various constituents of domestic sewage ? Discuss the effect of sewage discharge on water bodies.
what is biomagnification?please explain .
What is polyblend? point out its raw material. How will it be advantageous?
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
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
37.. You are given three cells, a root hair, a cell of the inner cortical layer and a cell of the mesophyll arrange them in ascending order of DPD.
(1) Root hair < Cortical cell < Mesophyll (2) Cortical cell < Mesophyll < Root hair.
(3) Mesophyll < Root hair < Cortical cell (4) Root hair < Mesophyll < Cortical cell