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5401.

Question :The number of animal species is more than ______________ Plants including algae , fungi , bryophytes , gymnosperms and angiosperms account for nearly of the total .

Answer»

70, 22
22, 70
60, 40
90, 10

Answer :A
5402.

Question : The number of amino acids formed by the various combination of triplet code is

Answer»

61
20
64
16

Answer :B
5403.

Question : The number of adenine molecules in a given DNA segment is 25 and the number of cytosine molecules is 45, the total number of nucleotides in the segment is ____

Answer»

70
140
90
50

Answer :B
5404.

Question : The number of a particular outcome of an event is divided by total number possible outcomes of that event, refers to

Answer»

PUNNETT square
Chi square
Probability
Law of inheritance

Answer :C
5405.

Question : The nucleotides represented in the DNA 5^1____ CA CA CA CA CA _______ 3^(1) are called

Answer»

REPETITIVE SEQUENCES
CDNA
R DNA
Retro DNA

Answer :A
5406.

Question : The nucleic acid extracted from animal liver is loaded and run on agarose gel. After staining, it shows following pattern : If the remaining sample is treated with RNAse and loaded in gel what result would you expect ?

Answer»




Solution :Both `RNA` and `DNA` are NEGATIVELY CHARGED molecules, they move towards the positive electrode (anode). However, `RNA` would move fastor because it is lighter than the `DNA`. Now, since the sample was treated with `RNAse`, only `DNA` BAND is EXPECTED after treatment.
5407.

Question : The nucleic acid hybridisation was developed by

Answer»

Grunstein
Hogness
Glibert
Both (a) and (B)

ANSWER :C
5408.

Question : The nucleases Cleaving nucleotides one at a time from the end of the Polynucleotide chain are :

Answer»

Specific for '5' END of RNA STAND
Specific for '3' end of RNA stand
Specific for both '5'and '3' ends of NUCLEOTIDES strands
Non-Specific for both '5'and '3' ends of nucleotides strands

Answer :C
5409.

Question : The nuclease enzyme, which begins its attack from free end of a polynucleotide, is:

Answer»

Exonuclease
Kinase
Polymerase
Endonuclease

Answer :A
5410.

Question : The nuclear strusture observed by Henkings in 50% of the insect sperm after spermatogenesis was :

Answer»

X-BODY
AUTOSOME
Nuleolus
POLAR body

ANSWER :A
5411.

Question : The nuclear waste is deposited in how many meters depth ?

Answer»

400 METER
500 meter
300 meter
800 meter 

ANSWER :B
5412.

Question : The nucellar embryos are apomictic embryos developed by1)hypocotyl2)epicotyl3)coleorhiza4)radicle

Answer»

HYPOCOTYL
EPICOTYL
coleorhiza
radicle

ANSWER :A
5413.

Question : The normal state of an atom or molecule is known as

Answer»

GROUND state
SINGLET state
Both (1) & (2)
EXCITED state

Answer :C
5414.

Question : The normal period of pregnancy in human is ……………..

Answer»

300 weeks
40 weeks
35 weeks
50 weeks

Answer :B
5415.

Question : The terminator codons are

Answer»

UAA, UAG and UGA
GUU, UAG and GCC
UAA, UAG and GCC
GUU, UAG and UGA

Answer :A
5416.

Question : The non protein part closely associated with the enzyme is called_____.

Answer»


ANSWER :PROSTHETIC GROUP
5417.

Question : The noise produced in office is normally at the level of :

Answer»

20dB
30dB
40dB
60dB

Answer :D
5418.

Question : The Nilgiri Tahr is an endangered animal. Suggest ways to conserve this wildlife.

Answer»

Solution :The Nilgiri TAHR can be CONSERVED by two ways viz. In-situ conservation and Ex - situ conservation.
In-situ conservation : Conservation of animals within natural or HUMAN MADE ECOSYSTEM is known as In - situ conservation. Eg. Protected areas, Biosphere reserves etc.
Ex-situ conservation : The conservation of animals outside their habitats like zoos, gene banks etc is known as ex-situ conservation.
5419.

Question : The nextitems consist of twostatements, statement I and statement II. You are to examine these two statementscarefullyand selectthe answers to these items using the code given below. Statement I : Autotroph plantscontain the pigment chlorophyll for meetingtheir requirement of carbon and energy. Statemen II : Photosynthesis is the processof convertingwater into food using sunlightand oxygen.

Answer»

Both the statementsare individually TRUE and statement II is the CORRECT explanation of statement I.
Both the statementsare individuallytrue but statement II is NOTTHE correctexplanationof statement I
Statement I is truebut statement II is false
Statement I is falsebut statement II is true.

Answer :B
5420.

Question : The niche of a population is defined as

Answer»

Set of CONDITION that interacts
PLACE where it lives
set of CONDITIONS and resources it uses
GEOGRAPHICAL AREA that it covers

Answer :C
5421.

Question : The new strain of bacteria producrd by biotechnology in alcohol industry is:

Answer»

ESCHERICHIA coli
Saccharomyces cerevisiae
Bacillus subtilis
Pseudomonas putida

Answer :D
5422.

Question : The new seeds developed by breeders are tested for…………growning season or seasons

Answer»

3
2
1
4

Answer :A
5423.

Question : The neurohormone _____ slows down heart beat.

Answer»


ANSWER :ACETYL CHOLINE
5424.

Question : The neurons that release acetylcholine are described as _____.

Answer»


ANSWER :CHOLINERGIC FIBRE
5425.

Question : The neurons that, release adrenalin are described as_____ .

Answer»


ANSWER :HEARING or AUDITORY
5426.

Question : The neural plexus that controls the secretions of organs of the GI tract is

Answer»

Myenteric plexus
Submucosal plexus
Brachial plexus
Cervical plexus

Answer :B
5427.

Question : The net requirement of assimilatory power forthe formation of 6 hexose molecules in maize plant is

Answer»

72ATP , 48NADPH
90ATP , 60NADPH
108ATP , 72NADPH
180ATP , 72NADPH

ANSWER :D
5428.

Question :The net requirement of assimilatory power for the formation of 6 hexose molecules in maize plant is :

Answer»

72 ATP, 48 NADPH
90 ATP, 60 NADPH
108 ATP, 72 NADPH
180 ATP, 72 NADPH

Answer :D
5429.

Question : The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is:

Answer»

20 MM HG
50 mm Hg
75 mm Hg
30 mm Hg

Answer :A
5430.

Question : The net gain of ATP during glycolysis is:

Answer»


ANSWER :EIGHT
5431.

Question : The net gain in EMP path way is

Answer»

`2NADH+H^(+) and 4ATP`
`2NADH+H^(+) and 2ATP`
`1NADH+H^(+) and 2ATP`
`1NADH+H^(+) and 1ATP`

ANSWER :B
5432.

Question : The nervous band connecting two cerebral hemispheres is ……… .

Answer»

CEREBRAL peduncle
brain stem
vermis
corpus callosum

Answer :D
5433.

Question : The net electric charge on DNA and histones

Answer»

both POSITIVE
both negative
negative and positive, respectively
zero

ANSWER :C
5434.

Question : The net electric charge on DNA and histones is

Answer»

both POSITIVE
both NEGATIVE
negative and positive, respectively
zero

Answer :C
5435.

Question : The net electric charge on DNA and histones is :

Answer»

Both POSITIVE
Both NEGATIVE
Negative and positive respectively
Zero

Answer :C
5436.

Question : The nerve ring surrounds the pharynx and is formed of suprapharyngeal ganglion (brain), ________ and________ .

Answer»

SOLUTION :circumpharyngeal CONNECTIVE, subpharyngeal GANGLION
5437.

Question : The nerve centres which control the body temperature and the urge for eating are contained in:

Answer»

HYPOTHALAMUS
PONS
CEREBELLUM
THALAMUS

ANSWER :A
5438.

Question : The nematodes that infects the roots of tobacco plants and causes a great reduction in yield is

Answer»

Meloidegyneincognitia
Bacillus thuringiensis
Agrobacterium tumifaciens
Rhizobium meliloti

Answer :A
5439.

Question : The nematode which infects the roots of tobacco plants, resulting in the reduction in the yield.

Answer»

SOLUTION :Meloidegyne incongnittia
5440.

Question : The neem is used as a natural insecticide because:

Answer»

The EXTRACT of NEEM CONTAINS azadirachtin which acts as an antifeedant compound
It is significantly most EFFECTIVE than other pesticides
It is rapidly degradable in nature
Its cost of production is not high

Answer :A
5441.

Question :The nectar is produced in the flowers which are pollinated by :

Answer»

WIND
WATER
Man
Insects

Answer :D
5442.

Question : The nearest to the earth : ............: At the height of 50 kms from the earth : stratosphere

Answer»

Thermosphere
Troposphere
Ionosphere
Mesosphere 

ANSWER :B
5443.

Question : The nearestrelativeof man are

Answer»

LEMURS
APES
GORILLAS
Old WORLD MONKEY

Answer :D
5444.

Question : The Neanderthal man had the brain capacity of

Answer»

650-800cc
1200cc
900cc
1400cc

Solution :1400cc
5445.

Question : The naturaldye present in turmeric is known as

Answer»

Cinnamin
Phenolphthalein
Methyl orange
CURCUMIN

SOLUTION :Turmeric,the most popular spices of INDIA, belongs to genus 'Curcuma'due to the presence of YELLOW pigment 'Curcumin' whichimparts yellow COLOURTO it.The chemical structure of 'curcumin ' is
5446.

Question : The National park which is famous for one horned rhinoceros is _____.

Answer»


ANSWER :KAZIRANGA NATIONAL PARK
5447.

Question : The name "Protist" proposed by C. Cuvier and the group protista raised by Haeckel to include

Answer»

Unicellular eucaryotes
Unicellular procaryotes
All the LIVING beings which do not PRODUCE TISSUES
Heterotrophs

Answer :C
5448.

Question : The name of Norman Borlaug is associated with

Answer»

WHITE REVOLUTION
GREEN revolution
Yellow revolution
BLUE revolution

SOLUTION :Green revolution
5449.

Question : The name biological scissors is given to

Answer»

Enzymes
RESTRICTION ENDONUCLEASES
restriction exonucleases
restriction DNAse

ANSWER :B
5450.

Question : The mutations are mainly responsible for

Answer»

constancy in organisms
variation in organisms
increasing the population RATE
maintaining genetic continuity

Answer :B