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Recent questions tagged biology
Questions
Identify the ' place of hydrolysis of ATP ' and the ' power stroke ' in muscle contraction, in the picture given below :
jeemain
eamcet
biology
2010
q70
asked
Nov 14, 2013
by
thanvigandhi_1
0
answers
Which event of the ' action potential ' is indicated by the letter (A) in the diagram ?
jeemain
eamcet
biology
2010
q69
asked
Nov 14, 2013
by
thanvigandhi_1
1
answer
Match vertebral number and the corresponding region in rabbit :
jeemain
eamcet
biology
2010
q68
asked
Nov 14, 2013
by
thanvigandhi_1
0
answers
Which one of the following statements is not true with reference to the genes of eukaryotic animals?
jeemain
eamcet
biology
2010
q67
asked
Nov 14, 2013
by
thanvigandhi_1
0
answers
Which of the following is an autoimmune disorder ?
jeemain
eamcet
biology
2010
q66
asked
Nov 14, 2013
by
thanvigandhi_1
0
answers
Mitral valve is :
jeemain
eamcet
biology
2010
q65
asked
Nov 14, 2013
by
thanvigandhi_1
0
answers
Number of oxygen molecules bound in a saturated haemoglobin molecule :
jeemain
eamcet
biology
2010
q64
asked
Nov 14, 2013
by
thanvigandhi_1
0
answers
Arrange the correct sequence of enzymes which act on food in different regions of alimentary canal :
jeemain
eamcet
biology
2010
q63
asked
Nov 14, 2013
by
thanvigandhi_1
1
answer
The animal with epipubic bones and a chorioallontoic placenta is :
jeemain
eamcet
biology
2010
q62
asked
Nov 14, 2013
by
thanvigandhi_1
0
answers
For the reaction $ 2A(g) + B(g) \rightleftharpoons 3C(g) + 4D(g)$ Three moles each of $A$ and $B$ were taken into a $1\; L$ flask. which of the following is always true when the system attains equilibrium?
jeemain
chemistry
medium
aipmt
q10
equilibrium
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
The equilibrium constant for the reaction $ A + 2B \rightleftharpoons 2C $ is 40. The Equilibrium constant for the reaction $ C \rightleftharpoons B + 1/2 A$ is
jeemain
aipmt
medium
chemistry
equilibrium
q9
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
The equilibrium constant for the reaction $CaSO_4.5H_2O (s) \rightleftharpoons CaSO_4.3H_2O (s) + 2H_2O (g)$ is equal to
jeemain
chemistry
aipmt
equilibrium
medium
q11
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
The equilibrium constant for a reaction; $ A+B \rightleftharpoons C+D $ is $ 1 \times 10^{-2} $ at 298 K is 2 at 373 K. The chemical process resulting in the formation of C and D is
jeemain
chemistry
q8
aipmt
equilibrium
medium
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
Specify the unit of Equlibrium Constant of the following reaction. $ Fe^{3+} (aq) + SCN^- (aq) \rightleftharpoons Fe(SCN)^{2+} (aq) $
sat
chemistry
chemical-equilibrium
jeemain
medium
aipmt
equilibrium
q7
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
Which of the following expression acquires constant value at equilibrium for the process shown below?
jeemain
chemistry
q6
aipmt
easy
equilibrium
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
Why does the solubilities of anhydrous salts decrease with increase in temperature?
jeemain
aipmt
chemistry
q5
equilibrium
easy
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
Which of the following can exist beyond critical temperature and critical pressure?
jeemain
chemistry
q4
aipmt
equilibrium
easy
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
What happens to a solid whose vapour pressure reaches 760 mm Hg at temperatures which are lower than the triple point?
jeemain
chemistry
q3
equilibrium
easy
aipmt
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
At the boiling point of a liquid its ________ becomes equal to the atmospheric pressure.
sat
chemistry
chemical-equilibrium
jeemain
aipmt
q2
equilibrium
easy
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
As melting of ice is an ___________ process, supplying heat to the system shifts the equilibrium in the __________ direction and viceversa.
jeemain
aipmt
q1
chemistry
equilibrium
easy
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
Which of the following exhibit discontinuous distribution ?
jeemain
eamcet
biology
2010
q61
asked
Nov 13, 2013
by
thanvigandhi_1
2
answers
Ductus Botalli connects :
jeemain
eamcet
biology
2010
q60
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
Select the animal from the examples given below which exhibits neoteny in its larval stage :
jeemain
eamcet
biology
2010
q59
asked
Nov 13, 2013
by
thanvigandhi_1
1
answer
The scientific name of Kashmiri stag is :
jeemain
eamcet
biology
2010
q58
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
Which one of the following arthropods is viviparous ?
jeemain
eamcet
biology
2010
q56
asked
Nov 13, 2013
by
thanvigandhi_1
1
answer
Statement (S) : Biting and chewing mouth parts are the most primitive type of mouth parts in insects. (Reasons (R) : Holometabolus insects have biting and chewing type of mouth parts in their larvae.
jeemain
eamcet
biology
2010
q55
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
In cockroach, the thermoreceptor sensilla are present on :
jeemain
eamcet
biology
2010
q54
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
The cells, present in the fat bodies of cockroach, which contains symbiotic bacteria that synthesize amino acids are :
jeemain
eamcet
biology
2010
q53
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
In pheretima, the open type of nephridia are located in these segments :
jeemain
eamcet
biology
2010
q52
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
In pheretime, septa are absent between some of the segments. They are :
jeemain
eamcet
biology
2010
q51
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
Match the following
jeemain
eamcet
biology
2010
q50
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
The process by which a new structure is formed in the tissue of the host during parasitic infection :
jeemain
eamcet
biology
2010
q49
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
The fusion of pronuclei of dissimilar gametes is called :
jeemain
eamcet
biology
2010
q48
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
Match the following :
jeemain
eamcet
biology
2010
q47
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
The plane that divides the body into right and left halves :
jeemain
eamcet
biology
2010
q46
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Match the types of animal tissues given under List - I with the parts / organs in which they occur, given under List - II :
jeemain
eamcet
biology
2010
q45
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Which of the following is the correct sequence of cell cycle ?
jeemain
eamcet
biology
2010
q44
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Choose the animal which exhibits the following characteristics
jeemain
eamcet
biology
2010
q43
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Which of the following statements are correct with regards to Deuterostomes ?
jeemain
eamcet
biology
2010
q42
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Statement (S) : Populations of a species inhabiting different geographical areas are in a continuous process of adaptation to their surrounding environments and this leads to the evolution of a new species. Reasons (R) : Geographical barriers obstruct interbreeding of populations of a species leading to reproductive isolation and evolution of new species.
jeemain
eamcet
biology
2010
q41
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
From the following, identify DNA fragment showing palindromic sequence :
jeemain
eamcet
biology
2010
q40
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q39
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Identify the correct combination of the following related to recombinant DNA technology :
eamcet
jeemain
biology
2010
q38
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q37
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
If $ 'X'$ molecules of ATP are utilized to produce one molecule of glucose during photosynthesis of a $C_3$ plant and $'Y'$ molecules of ATP are formed through substrate level phosphorylation during the breakdown of one molecule of glucose in aerobic respiration, then the ratio of $'X'\: and \: 'Y' $ is :
jeemain
eamcet
biology
2010
q36
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
Which one of the following statements related to protein synthesis are true ?
jeemain
eamcet
biology
2010
q35
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q34
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
Eight molecules of an enzyme solution is mixed with 1000 molecules of the substrate in a reaction mixture. If it converts 80% of the substrate into product in five minutes, then its turnover number is :
jeemain
eamcet
biology
2010
q33
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
Assertion (A) : The energy requirement for the formation of one hexose molecule is more in Chlorella than in sugarcane. Reasons (R) : The formation of phosphoenol pyruvic acid from pyruvic acid requires two ATP molecules.
jeemain
eamcet
biology
2010
q32
asked
Nov 11, 2013
by
thanvigandhi_1
1
answer
Arrange the following respiratory substrates in decreasing order of $ CO_2 $ molecules released when one molecule of each of them is oxidized.
jeemain
eamcet
biology
2010
q31
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
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