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Recent questions in Biology
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EAMCET
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Biology
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
The carbon ratio of lutein, abscisic acid and $ GA_{27}$ is :
jeemain
eamcet
biology
2010
q30
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q29
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
The right sequence of carriers which involve in the transport of excess $Na^+$ ions out of the cell in salt resistant plants is :
jeemain
eamcet
biology
2010
q28
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
Study the following table and identify the correct sequence of cells which shows the path of water movement between them :
jeemain
eamcet
biology
2010
q27
asked
Nov 11, 2013
by
thanvigandhi_1
1
answer
The disease caused by the virus having double stranded nucleic acid with ribose sugar as genetic material is :
jeemain
eamcet
biology
2010
q26
asked
Nov 11, 2013
by
thanvigandhi_1
1
answer
Study the following combinations and identify correct matches :
eamcet
jeemain
biology
2010
q25
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
False statement related to Cycas is :
jeemain
eamcet
biology
2010
q24
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q23
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
Identify the correct sequence of the stages in the life cycle of Rhizopus after the reduction division of zygospore :
jeemain
eamcet
biology
2010
q22
asked
Nov 11, 2013
by
thanvigandhi_1
1
answer
How many zygospores are formed in a 100 - celled filament of spirogyra affinis if all cells are involved in conjugation ?
jeemain
eamcet
biology
2010
q21
asked
Nov 11, 2013
by
thanvigandhi_1
1
answer
Assertion (A) : Induced mutations are widely used in crop improvement. Reasons (R) : Physical and chemical mutagens cause genetic variability in a population and produce only desirable characters.
jeemain
eamcet
biology
2010
q20
asked
Nov 11, 2013
by
thanvigandhi_1
1
answer
Study the following lists
jeemain
eamcet
biology
2010
q19
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q18
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q17
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Closely and compactly arranged fundamental tissue is not found in :
jeemain
eamcet
biology
2010
q16
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Identify the plant in which the tangential walls of collocytes are excessively thickened but radial walls are thin :
jeemain
eamcet
biology
2010
q15
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Which one of the following statements related to plant structure are true ?
jeemain
eamcet
biology
2010
q14
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
If there are 135 hydrogen bonds between two strands of a fragment of DNA double helix which contains 23 Guanine nitrogen basis, what is its total length ?
jeemain
eamcet
biology
2010
q13
asked
Nov 10, 2013
by
thanvigandhi_1
1
answer
Activity of ligase enzyme is found in :
jeemain
eamcet
biology
2010
q12
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Identify the true statement in the following :
jeemain
eamcet
biology
2010
q11
asked
Nov 10, 2013
by
thanvigandhi_1
1
answer
Assertion (A) : Phylogenetic systems of classification are considered as post-Darwinian. Reasons (R) : They are proposed after the publication of the book ' Origin of species '.
jeemain
eamcet
biology
2010
q10
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
The ratio of the cohorts of the first two subclasses of Dicotyledonae in Bentham and Hooker classification is :
jeemain
eamcet
biology
2010
q9
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
The ratio of components of male flower of Smilax, female flower of Ruscus, modified reproductive shoots of Scilla and Tephrosia is :
jeemain
eamcet
biology
2010
q8
asked
Nov 10, 2013
by
thanvigandhi_1
1
answer
Assertion (A) : In Fritillaria, the embryo sac is described as tetrasporic type. Reasons (R) : In Fritillaria, four megaspore mother cells are involved in the formation of an embryo sac.
jeemain
eamcet
biology
2010
q7
asked
Nov 10, 2013
by
thanvigandhi_1
1
answer
Fruits which break at maturity into number of pieces equal to the number of carpels are found in :
jeemain
eamcet
biology
2010
q6
asked
Nov 10, 2013
by
thanvigandhi_1
1
answer
From the following identify the plants having inflorescences with male, female and sterile flowers :
jeemain
eamcet
biology
2010
q5
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q4
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
A teacher was explaining about a plant whose venation pattern is basically similar to Eryngium, fruit is berry and stem shows signs of perennation. He was trying to arrive at one of the following :
jeemain
eamcet
biology
2011
q3
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Study the following lists
jeemain
eamcet
biology
2010
q1
asked
Nov 10, 2013
by
thanvigandhi_1
0
answers
Statement (S) : *** influenced genes are autosomal genes in both males and females. Reasons (R) : The phenotypic expression of ***-influenced genes is different in different sexes, dominant in one *** and recessive in the other.
jeemain
eamcet
biology
2011
q80
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
Which of the following statements are correct ?
jeemain
eamcet
biology
2011
q79
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
Match the following
jeemain
eamcet
biology
2011
q78
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
Match the following with reference to the insects and diseases :
eamcet
jeemain
biology
2011
q77
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
In the life-cycle of plasmodium vivax some stages may survive for long periods in liver as dormant stages known as :
jeemain
eamcet
biology
2011
q76
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
In diapsid skull of reptiles, the two temporal fossae are separated by these bones to form the upper temporal bar :
jeemain
eamcet
biology
2011
q75
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
The joint between carpal and metacarpal of thumb in private mammals is :
jeemain
eamcet
biology
2011
q74
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
Identify the following structures which are present in dioptrical region of the ommatidium of cockroach :
jeemain
eamcet
biology
2011
q73
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
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