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Recent questions and answers in Biology
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JEEMAIN and NEET
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Biology
Biology
Diversity in Living World
Structural Organisation in Animals and Plants
Cell Structure and Formation
Plant Physiology
Human Physiology
Reproduction
Genetics and Evolution
Biology in Human Welfare
Biotechnology and its Applications
Ecology and Environment
the flat, disc shaped sacs of golgi bodies are called
aipmt
ch8
easy
class11
biology
answered
Sep 26, 2019
by
bestsantosh886
1
answer
Membrane and secretory proteins are sorted and packaged in which part of the cell before they are secreted ?
aipmt
ch8
easy
class11
cell structure and function
biology
answered
Sep 23, 2019
by
s.8350994713
1
answer
The linking of antibiotic resistance gene with the plasmid vector became possible with :
aipmt
modelpaper
biology
2008
q193
answered
Sep 15, 2019
by
knightzack058
1
answer
the lysosomal enzymes are optimally active at
aipmt
ch8
easy
class11
biology
answered
Aug 24, 2019
by
ganamika9395
1
answer
Ascaris is characterized by :
aipmt
modelpaper
biology
2008
q108
answered
Aug 17, 2019
by
thukran2
1
answer
Which one of the following groups of three animals each is correctly matched with their one characteristics morphological feature ?
aipmt
modelpaper
biology
2008
q105
answered
Jul 28, 2019
by
amishap917
1
answer
Autonomously replicating circular extrachromosomal DNA is called a __
aipmt
ch11
easy
class12
biology
answered
Jul 13, 2019
by
varshneymuskan24
1
answer
Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product ?
aipmt
modelpaper
biology
2008
q146
answered
Jul 5, 2019
by
manjunathavaishnavi
1
answer
Which enzyme is able to degrade cellulose that are absent in mammals but are produced by some bacteria, fungi and protozoa ?
aipmt
ch9
easy
class11
cell structure and function
biology
answered
Jun 24, 2019
by
yesh.yesh0785
1
answer
Keeping in view the ' fluid mosaic model ' for the structure of cell membrane, which one of the following statement is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other ( described as flip flop movement ) ?
aipmt
modelpaper
biology
2008
q116
answered
Jun 17, 2019
by
sajjadhussainrajper10
1
answer
During DNA replication in bacteria, the unwinding of the double helix (using ATP as energy source) is done by
aipmt
ch6
easy
class12
genetics and evolution
biology
answered
Jun 12, 2019
by
logu.thiru95
1
answer
Vacuole in a plant cell :
aipmt
modelpaper
biology
2008
q111
answered
Jun 11, 2019
by
nithishgaming
1
answer
What wil happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor ?
aipmt
modelpaper
biology
2008
q152
answered
Jun 4, 2019
by
eshanidash80
1
answer
Which one of the following phyla is correctly matched with its two general characteristics ?
aipmt
modelpaper
biology
2008
q106
answered
May 17, 2019
by
pradeepmuhamma
1
answer
Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid ?
aipmt
modelpaper
biology
2008
q189
answered
May 14, 2019
by
biakdikiralte91
1
answer
Which of the following organisms is likely to have more concentration of DDT in its body?
jeemain
biology
ecology-and-environment
easy
zoology
answered
May 2, 2019
by
sukhachandiwala
2
answers
Match the following: 1. Chromoplasts----a. carbohydrates, 2. amyloplasts---b. oil and fat, 3. aleuroplasts---c. carotene , 4. elaioplasts---d.protein
aipmt
ch9
difficult
class11
biology
answered
May 1, 2019
by
akashborthakur3
1
answer
The disorder, alkaptonuria is caused by the absence of which enzyme ?
aipmt
ch9
medium
class11
cell structure and function
biology
answered
May 1, 2019
by
akashborthakur3
1
answer
In glycolysis, glucose is phosphorylated by ATP to form glucose 6-phosphate and ADP. This reaction is catalyzed by which enzyme ?
aipmt
ch9
easy
class11
cell structure and function
biology
answered
May 1, 2019
by
akashborthakur3
1
answer
Which enzyme can be used in-vitro with an oligo(dT) primer to synthesize single-stranded cDNA from mRNA templates ?
aipmt
ch11
easy
class12
biotechnology
biology
answered
Apr 22, 2019
by
sagar.hagawane1
1
answer
Eukaryotic DNA replication is ________ in nature.
aipmt
ch6
easy
class12
genetics and evolution
biology
answered
Apr 20, 2019
by
vishupatil1211
1
answer
Regarding the fig. identify 1,2,3 and 4:
aipmt
ch8
medium
class11
cell
structure
biology
answered
Apr 19, 2019
by
sujitparidabiju000
1
answer
E. coli DNA polymerases II and III lack which activity ?
aipmt
ch6
easy
class12
genetics and evolution
answered
Apr 10, 2019
by
navintelgote3112
1
answer
In eukaryotic cell, RNA is synthesized by how many RNA polymerases ?
aipmt
ch6
easy
class12
genetics and evolution
biology
answered
Apr 2, 2019
by
www.doddinavya
1
answer
During which process, the velocity of the DNA fragments decreases as their length increases and is proportional to electric field strength ?
aipmt
ch11
easy
class12
biotechnology
biology
answered
Apr 1, 2019
by
shreyaphalke11
1
answer
The treatment of bacteria with ice-cold solutions of CaCl2 and then heated to 37$^{\circ}$C or 42$^{\circ}$C is the process or method called as
aipmt
ch11
easy
class12
biotechnology
biology
answered
Apr 1, 2019
by
shreyaphalke11
1
answer
At the origin of replication, synthesis of plasmid DNA depends on the formation of which persistent complex?
aipmt
ch11
easy
class12
biotechnology
biology
answered
Apr 1, 2019
by
shreyaphalke11
1
answer
Plasmid pSC101 are said to replicate under -
aipmt
ch11
easy
class12
biotechnology
biology
answered
Apr 1, 2019
by
shreyaphalke11
1
answer
The attachment of an amino acid to a tRNA is catalyzed by which enzyme ?
aipmt
ch6
easy
class12
genetics and evolution
biology
answered
Mar 30, 2019
by
sunitasingh8239281320
1
answer
Each codon is recognized by a triplet of bases, called an anticodon which is present in _____.
aipmt
ch6
easy
class12
genetics and evolution
biology
answered
Mar 30, 2019
by
sunitasingh8239281320
1
answer
Histone proteins are _______ in nature.
aipmt
ch6
easy
class12
genetics and evolution
biology
answered
Mar 30, 2019
by
sunitasingh8239281320
1
answer
The second maturation division of the mammalian ovum occurs
aipmt
biology
zoology
reproduction
class12
ch3
unit6
easy
vi
answered
Mar 30, 2019
by
sunitasingh8239281320
1
answer
Most amino acids in proteins are specified by more than one codon. Therefore, genetic codon is said to be
aipmt
ch6
easy
class12
genetics and evolution
biology
answered
Mar 25, 2019
by
sidheshasuresh000
1
answer
A transgenic food crop which may help in solving the problem of night blindness in developing countries is :
aipmt
modelpaper
biology
2008
q180
answered
Mar 21, 2019
by
nehamokal294
1
answer
In tissue culture medium,the embryoids formed from pollen grains is due to
aipmt
biology
class12
unit8
ch9
biology-and-human-welfare
strategies-for-enhancement-in-food-production
answered
Mar 16, 2019
by
ps1192802
2
answers
The rate limiting step of fatty acid synthesis is catalyzed by
aipmt
ch9
medium
class11
cell structure and function
biology
answered
Mar 14, 2019
by
marinasahmed100
1
answer
Katal (kat) is the unit of
aipmt
ch9
difficult
class11
cell structure and function
biology
answered
Mar 5, 2019
by
mr.goswami07
1
answer
Bioassay of IAA is
aipmt
biology
plant-physiology
plant-growth-and-development
medium
class11
ch15
answered
Feb 25, 2019
by
aparajita.dey2011
2
answers
Cornea transplant in humans is almost never rejected. This is because :
aipmt
modelpaper
biology
2008
q198
answered
Feb 17, 2019
by
siruluanaparthi2014
1
answer
Diacylglycerol activates which of the following enzyme ?
aipmt
ch9
difficult
class11
cell structure and function
biology
answered
Feb 17, 2019
by
yrcmurthy
1
answer
In humans, at the end of the first meiotic division, the male germ cells differentiate into the :
aipmt
modelpaper
biology
2008
q158
answered
Feb 8, 2019
by
indranpreetha
1
answer
In the experimental proof of the replication model of DNA, the radiolabelled DNA was seperated from the non-radiolabeled ones by
aipmt
ch6
medium
class12
biology
answered
Feb 4, 2019
by
sdabhinand23
1
answer
the experimental proof of the replication model of DNA was carried out by
aipmt
ch6
medium
class12
biology
answered
Feb 4, 2019
by
sdabhinand23
1
answer
Plants of endangered species are conserved through:-
jeemain
biology
ecology-and-environment
difficult
answered
Jan 31, 2019
by
bihukarmakar
2
answers
Which of the following pairs of compounds are interconvertible in the liver by a single polypeptide chain containing two different catalytic sites ?
aipmt
ch9
easy
class11
cell structure and function
biology
answered
Jan 29, 2019
by
lekhakrishna.lk
1
answer
__________ cells lack nucleus
aipmt
ch8
easy
class11
biology
answered
Jan 6, 2019
by
jakhar12832
1
answer
The haemoglobin of a human foetus :
aipmt
modelpaper
biology
2008
q166
answered
Jan 4, 2019
by
mt74208
1
answer
Starch is the mixture of two polysaccharide forms called
aipmt
ch9
easy
class11
cell structure and function
biology
answered
Dec 28, 2018
by
cxcxvx511
1
answer
A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this ?
aipmt
modelpaper
biology
2008
q178
answered
Dec 8, 2018
by
lshri272
1
answer
Which of the following properties is common to all cytoskeletal motor proteins (such as kinesins, myosins and dyneins) ?
aipmt
ch11
medium
class12
biotechnology
biology
answered
Dec 4, 2018
by
jatavankita1993
1
answer
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