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Questions asked by suganyadevi.p
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Given figure represents different ones of a lake or a pondIdentify the labelled parts X,Y and Z and select the correct statement
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
The enzymes needed to obtain protoplast from a plant cell are
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Which of the following statement is incorrect regarding the nectaries cotton varieties?
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Molecular basis of organ differentiation depends on the modulation in transcription by
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Other than DNA polymerase, which are the enzymes involved in DNA synthesis?
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
UTRs are untranslated regions present on
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Grain colour in wheat is determined by three pairs of polygenic. Following the cross AABBCC (dark colour) x aabbcc (light colour), in F1 generation, what of offspring proportion is likely to resemble either parent?
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
2
answers
A color blind man (xcY) marries a woman who is a carrier for haemophilia (Xxh) . which of the following is true for their progenies?
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Assertion: In plants, apomixis is a form of asexual reproduction that mimics sexual reproduction
Reason: Apomixis involves the production of seeds without the function of gametes
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Which of the following events take place after fertilization?
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Interspecific incompatibility is overcome by
cbse
class12
biology
botany
neet
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asked
Jan 25, 2017
1
answer
Assertion: Cucurbita is a monoecious plant.
Reason: In cucurbits, both male and female flowers are present on the same plant
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
The given figure shows the demonstration of osmosis by egg membrane osmoscope.
After a few days , which one of the following would have occurred?
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Intrinsic heterophylly is found in all except
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
2
answers
A cell membrane shows fluid behaviour.
Reason: A membrane is a mosaic or composite of lipids and proteins
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
0
answers
The given figure shows responses of three plants A,B and C to the photoperiod. Select the correct option regarding this.
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
During photorespiration, the oxygen consuming reactions occur in
cbse
class12
biology
botany
neet
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asked
Jan 25, 2017
1
answer
Given graph represents the absorption spectra of three photosynthetic pigments-chl-a, chl-b and β-carotene
Select the correct statement regarding this
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Who confirmed that $O_2$ comes from water during photosynthesis?
cbse
class12
biology
botany
neet
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asked
Jan 25, 2017
2
answers
Identify the labels X and Y in the given outline of Nitrogen cycle . select the correct option
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Assertion: A plant shrinks in hypertonic solution
Reason: In hypertonic solution, water moves out of cell due to plasmolysis.
cbse
class12
biology
botany
neet
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asked
Jan 25, 2017
1
answer
Assertion: Reduction division occurs in Anaphase I
Reason: Meiosis II occurs to separate homologus chromosomes
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
2
answers
Middle lamellae is mostly composed of
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Mechanical support, enzyme circulation,protein synthesis and detoxification of drugs are functions of:
cbse
class12
biology
botany
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asked
Jan 25, 2017
2
answers
Which of the following is not true of a eukaryotic cell?
cbse
class12
biology
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asked
Jan 25, 2017
1
answer
Assertion: The quiescent centre acts as a reservoir of relatively resistant cells that constitute a permanent source of active initials.
Reason: The cells of the inactive quiescent centre become more active when the previous active initials get damaged
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
A piece of wood having no vessels (trachea) must belong to
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Assertion: In some flowers like lily, perianth is a term used when calyx and corolla are not distinct.
Reason: Calyx and corolla are reproductive organs
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Select the incorrect statement out of the following:
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
2
answers
Gymnosperms are also called soft wood spermatophytes because they lack
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
2
answers
Tallest angiosperm is
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Assertion: In chlorophyceae plant body is usually grass green.
Reason: Members of chlorophyceae possess Chl a, c, carotenoids and xanthophylls.
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
Read the following statements regarding biological museums:
i. Biological museums are generally setup in the educational institutions such as colleges and schools
ii. Museums have collections of preserved plant and animal specimens for study and reference
iii. Specimens are preserved in the containers or jars in preserved solutions
iv. Insects are preserved in boxes after collecting, killing and pinning
v. Large animals like birds and mammals are usually stuffed and preserved
vi. Skeletons of mammals are not allowed to be kept in the museum
Which one of the above statements is/are not correct?
cbse
class12
biology
botany
neet
sec-a
asked
Jan 25, 2017
1
answer
A renewable exhaustible natural resource is
cbse
class12
biology
zoology
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asked
Jan 25, 2017
0
answers
Which one of the following statements is wrong in case of Bhopal tragedy?
cbse
class12
biology
zoology
neet
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asked
Jan 25, 2017
0
answers
Given below is the diagram of electrostatic precipitator. Identify A,B,C and D and select the correct option.
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 25, 2017
0
answers
The study of proteins coded by genome is called
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 25, 2017
0
answers
DNA fingerprinting refers to
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 25, 2017
0
answers
First genetically modified plant commercially released in India is
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 25, 2017
1
answer
Restriction endonucleases cut
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 25, 2017
0
answers
Integrated Pest Management discourages excessive use of
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 24, 2017
1
answer
The function of polymerase chain reaction is
cbse
class12
biology
zoology
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asked
Jan 24, 2017
0
answers
Which one is useful as an immunosuppressive agent in organ transplant?
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 24, 2017
0
answers
Where will you look for the sporozoites of the malarial parasite?
cbse
class12
biology
zoology
neet
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asked
Jan 24, 2017
0
answers
The substance produced by a cell in viral infections that can protect other cells from further infection is
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 24, 2017
1
answer
Which of the following is a respiratory disease?
cbse
class12
biology
zoology
neet
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asked
Jan 24, 2017
0
answers
The chances of contracting bird flu from a properly cooked (above 100C) chicken and egg are
cbse
class12
biology
zoology
neet
sec-a
asked
Jan 24, 2017
1
answer
Keeping bee hives in crop fields during flowering period increases
cbse
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biology
zoology
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asked
Jan 24, 2017
0
answers
One of the oldest, best preserved and most complete hominid fossil commonly known as ‘Lucy’ belongs to the genus
cbse
class12
biology
zoology
neet
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asked
Jan 24, 2017
1
answer
Adaptive radiation refers to
cbse
class12
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Jan 24, 2017
1
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