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6251.

Question : The first undoubted evidence about DNA being the genetic material came from

Answer»

transformation of rough - costed strain of Diplococcus peneumoniae into smooth coated strain
the establishment of DNA as the CHIEF CHEMICAL constituent of chromosomes
the establishment of DNA as a self-replicating substance
transduction of BACTERIA by ACTION of bacteriophage

Answer :A
6252.

Question : The first translated codon in any mRNA binds to an anticodon is

Answer»

3. UAC 5.
5. UAC 3.
3. UAU 5.
5. CAU 3.

ANSWER :A
6253.

Question : The first transgenic clone of sheep was called as..... ……….

Answer»

ROSIE
DOLLY
SAMEERA
JOEL

SOLUTION :Dolly
6254.

Question : The first test tube baby Louise joy brown was brone in oldham, england in

Answer»

27761
28212
28696
31630

Answer :C
6255.

Question : The first step of CO_2 fixation in Hatch and Slack's pathway in plants is

Answer»

Formation of O.A.A by CARBOXYLATION of PEP in BUNDLE SHEATH CELLS
Formation of O.A.A by the carboxylation of RUBP in MESOPHYLL cells
Formation of PGA in mesophyll cells
Formation of O.A.A by carboxylation of PEP in mesophyll cells.

Answer :D
6256.

Question : the first state which achieve the goal green revolution in India was

Answer»

U.P.
W. BENGAL
KERALA
PUNJAB

ANSWER :D
6257.

Question : The first stable product of HSK pathway is:

Answer»

PEP
PGA
Malate
`CO_2`

ANSWER :C
6258.

Question : The first stable product of fixation of atmospheric nitrogen in leguminous plants is

Answer»

`NO_(3)^(-)`
Glutamate
`NO_(2)^(-)`
Ammonia

ANSWER :4
6259.

Question : The first species that invade a bare area are calleda) Moss speciesb)Climax stagec)Forest staged)Pioneer species

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MOSS species
Climax STAGE
FOREST stage
Pioneer species

Answer :D
6260.

Question : The first somatic cell gene therapy was targeted against the disease :

Answer»

SCID
CYSTIC fibrosis
Cancer
PHENYLKETONURIA

ANSWER :A
6261.

Question : The first sign of growing foetus may be noticed by :–

Answer»

LISTENING to the HEART SOUND CAREFULLY through the stethoscope
Appearance of hair
Appearance of head
Appearance of eyelids

Answer :A
6262.

Question : The first restriction endonuclease enzyme is

Answer»

Hind-II
Hind-III
ECORI
BAM`H_(1)`

ANSWER :A
6263.

Question : The first recombinant DNA was created by

Answer»

SOLUTION :STANLEY COHEN and HERBERT BOYER.
6264.

Question : The first process by which water enters into the seed coat when a seed is placed in suitable environment for germination is:

Answer»

osmosis
active transport
absorption
imbibition

Answer :D
6265.

Question : The first phase of embryonic development is:

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CLEAVAGE
Blastulation
Gastrulation
Placentation

Answer :A
6266.

Question : The first organisms were:

Answer»

Chemoautotroph
Chemoheterotoph
Autotrophs
Eukaryotes

Answer :A
6267.

Question : The first organisms to appear on earth were more like plants because

Answer»

PLANTS are SIMPLER
Plants are more
Plants do photosynthesis
None of the above

ANSWER :C
6268.

Question : The first organic compounds in primordial earth was

Answer»

CARBONDIOXIDE
Methane
CARBON MONOXIDE
Ethylene

Answer :A and B
6269.

Question : The first noncellular forms of life on carth have originated about

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TWO million YEARS AGO
Three BILLION years ago
Two billion years ago
Three million years ago

Answer :B
6270.

Question : The first non-cellular forms of life could have oriniginated

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3000 mya
2000 mya
20 bya
4 bya

Answer :A
6271.

Question : The first nif genes were isolated from

Answer»

KLEBSIELLA aerogenes
Klebsiella oxytoa
Klebsiella pneumonia
Klebsiella granulonatis

Answer :C
6272.

Question :The first National Park of India is :

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JIM CORBETT NATIONAL Park
Bandipur National Park
Hazaribagh National Park
Jaldapara National Park

Answer :A
6273.

Question : The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy ?

Answer»

THIRD month
Fourth month
Fifth month
Sixth month

Answer :C
6274.

Question : The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?

Answer»

FOURTH month
Fifth month
Sixth month
Third month

Answer :B
6275.

Question : The first movement of the foetus and appearance of hair on its head are usually observed during which month of pregnancy ?

Answer»

FIFTH MONTH
SIXTH month
Third month
Fourth month

Answer :A
6276.

Question : The first menstruation begins at puberty and is called _____.

Answer»


ANSWER :MENARCHE
6277.

Question : The first meiotic division in the oogonium is completed when the egg is within the

Answer»

UTERUS
FOLLICLE
fallopian TUBE
ovary before it is SURROUNDED by FOLLICLES

Answer :B
6278.

Question : The first mammals that evolved were

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Large SIZED and aquatic
Large sized and terrestrial
Small sized and FAST RUNNING terrestrial forms
Vestigial organs

Answer :D
6279.

Question : The first living organism had following mode of nutrition

Answer»

Photoautotrophic
Chemoautotrophic
Chemoheterotrophic
AEROBIC photoautotophic

Answer :C
6280.

Question : The first life on earth was originated by:

Answer»

CHEMICAL synthesis
Spontaneous generation
Pre EXISTED life
Panspermia

Answer :A
6281.

Question : The first known allotetraploid reported by Russian geneticist Karpechenko (1928) was

Answer»

Secale cereale
Cynodon dactylon
Raphanobrassica
Brassica oleracea

Answer :C
6282.

Question : The first human like being was

Answer»

Australopithecus
Homo habilis
Homo ERECTUS
Drypethecus

ANSWER :B
6283.

Question : The first human hormone produced by recombinant DNA technology is:

Answer»

Insulin
Estrogen
Thyroxin
Progesterone

Answer :A
6284.

Question : The first human hormone produced by recombinant DNA technology is

Answer»

INSULIN
estrogen
thyroxin
PROGESTERONE

SOLUTION :insulin
6285.

Question : The first genetically engineered insulin was formed by the efforts of which biotechnology company?

Answer»

Eli - Lilly, U.S.A
Celera Genomics, U.S.A.
Nexia Technology, Canada
BIOCON India

Answer :B
6286.

Question : The first genetic material was most likely to be

Answer»

DNA polymer
Primitive OCEAN
DNA OLIGONUCLEOTIDE
RNA polymer

Answer :D
6287.

Question :The first genetic material could be :

Answer»

PROTEIN
CARBOHYDRATES
DNA
RNA

Answer :D
6288.

Question : The first genetic material could be

Answer»

protein
carbohydrates
DNA
RNA

Answer :d
6289.

Question : The first form of life could have come from pre-existing non-living organic molicules like RNA, protein. this was prposed by

Answer»

OPARIN and Haldane
Charles Darwin
Louis Pasteur
Alfred Wallace

Answer :A
6290.

Question : The first evidence regarding semiconservative replication of DNA was provided by Watson and crick.

Answer»

True
False

Answer :MESELSON and STAHL
6291.

Question : The first form of life possibly originated on earth about

Answer»

3 BILLION YEARS ago
4 billion years ago
2000 MILLION years ago
4.5 billion years ago

Answer :B
6292.

Question : The first event in photosynthesis is

Answer»

SYNTHESIS of ATP
PHOTOEXCITATION of CHLOROPHYLL
Photolysis of WATER
Release of oxygen

Answer :B
6293.

Question : The first established Atomic Garden in India was ………….. .

Answer»

(a) BHABHA ATOMIC RESEARCH Institute
(B) Indira Gandhi centre for Atomic Research
(c) Indian Agricultural Research Institute
(d) BOSE Reasearch Institute

Answer :D
6294.

Question : The first event in blood clotting is

Answer»

RELEASE of COAGULATION promoting substances from platelets
conversion of prothombin to thrombin
Conversion of fibrogen to flavin
Formation of ENZYMES complex thombokinase

Answer :C
6295.

Question : The first ejaculation of the semen in male is called as..........

Answer»

SOLUTION :Spermarche
6296.

Question : The first codon to be deciphered was "_________________" which codes for "________________".

Answer»

AAA, proline
GGG, alanine
UUU, PHENYLALANINE
TTT, arginine

Solution :UUU, Phenylalanine
6297.

Question : The first completely sequenced genome was

Answer»

DNA with HISTONE proteins of human mitochondrion
Circular GENOME of human mitochondrion
PROTEIN coding genes of human genome
Double helical genome of human GOLGI complex

Answer :B
6298.

Question : The first clone animal of the world is :

Answer»

MOLLY sheep
Polly sheep
Dolly sheep
Molly goat

Answer :A
6299.

Question : Which of the following is the fist cloned organism?

Answer»

GOAT
COW
SHEEP
PIG

SOLUTION :sheep
6300.

Question : The first clinical gene therapy was given in_________.

Answer»


ANSWER :1990