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Contributers of Biologists Flashcards

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Biology 101 flashcards
1
Q

Binomial nomenclature was given by

A

Carolus Linnaeus.

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2
Q

Two kingdom system of classification was given by

A

Carolus Linnaeus.

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3
Q

Systema Naturae was written by

A

Carolus Linnaeus.

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4
Q

Artificial system of classification was given by

A

Carolus Linnaeus.

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5
Q

Natural System of classification for flowering plants was given by

A

George Bentham & J.D.Hooker

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6
Q

5 kingdom system of classification was given by

A

R.H.Whittaker (1969)

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7
Q

who was the earliest to attempt a more scientific basis for

classification.

A

Aristotle

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8
Q

Biological classification of plants & animals was first proposed by

A

Aristotle

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9
Q

Causal organism of the mosaic disease of tabacco is recognised by

A

D.J.

lvanowsky (1892).

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10
Q

Contagium vivum fluidum is called by

A

M.W.Beijerinek (1898)

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11
Q

Viruses crystallised by

A

W.M.Stanley (1935)

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12
Q

Viroids were discovered by

A

T.O.Diener (1971)

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13
Q

‘Anatomy of Seed Plants’ published by

A

Katherine Esau(1960)

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14
Q

Curly top virus spreads through a plant via phloem tissue,it is reported
by

A

Katherine Esau

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15
Q

Founder of Madras School of Conformational analysis of biopolymers
was

A

G.N.Ramachandran

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16
Q

Triple helical model of collagen was given by

A

G.N.Ramachandran

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17
Q

Who was influenced by Linus Pauling

A

Ramachandran

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18
Q

Who was influenced by Malthus

A

Darwin

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19
Q

Who was influenced by Dr.W.Dudegon

A

P.Maheshwari

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20
Q

a-helix & B- sheet structures was pubhshed by

A

Linus Pauling

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21
Q

Who first saw & described a live cell.

A

Anton von Leeuwenhoek

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22
Q

Cell theory was given by

A

Schleiden & Schwann

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23
Q

Cell theory was modified by

A

Rudolf Virchow (1855)

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24
Q

Fluid mosaic model was given by

A

Singer & Nicolson (1972)

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25
Q

Golgi bodies was discovered by

A

Camillo Golgi (1898)

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26
Q

Ribosome was discovered by

A

George Palade (1953)

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27
Q

Nucleus was first discovered and described by

A

Robert Brown (1831)

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28
Q

Who earned a Nobel Prize in 1961 for mapping of the pathway of
carbon assimilation in PHS.

A

Melvin Calvin

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29
Q

Who work with J.A.Bassham

A

Calvin

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30
Q

Hydroponics technique developed by

A

Julius von Sachs (1860).

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31
Q

O2,was discovered by

A

Joseph Priestley (1774)

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32
Q

Who revealed the essential role of air in growth of green plants
(1770)

A

Priestley

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33
Q

Who used a similar setup as the one used by Priestley

A

Jan Ingenhousz

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34
Q

Who showed that sunlight is essential to the plant process.

A

Jan Ingenhousz

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35
Q

Who showed that it is only the green part of the plants

that could release oxygen.

A

Jan Ingenhousz

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36
Q

Who provide evidence for production of glucose when

plants grow.

A

Julius von Sachs

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37
Q

Who shows that the green susbtance in plants(chlorophyll)is located
in special bodies(later called chloroplasts)within plant cells.

A

Sachs

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38
Q

Who found that the green parts in plants is where glucose is made &
that the glucose is usually stored as starch.

A

Sachs

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39
Q

First action spectrum of PHS was described by

A

T.W.Englemann

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40
Q

Who demonstrated that PHS is essentially a light dependent
reaction in which hydrogen from a suitable oxidisable compound
reduces carbon dioxide to carbohydrate.

A

Van Niel

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41
Q

Who inferred that the O,evolved by green plant comes from H2O,
not from CO2.

A

Van Niel

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42
Q

Who use radioactive C^14 algal photosynthesis studies that led the
discovery that the first CO2,fixation product was a 3 carbon organic
acid.

A

Calvin

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43
Q

Whole pathway of C3-cycle was worked by

A

Calvin and Benson.

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44
Q

C-pathway was discovered by

A

Hatch & Slack

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45
Q

Law of limiting factors was given by

A

Blackmann (1905)

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46
Q

Scheme of Glycolysis was given by

A

Embden,Meyerhof & Parnas.(EMP)

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47
Q

Discovery of PGRs is started with the observation of

A

Charles Darwin

＆ his son Francis Darwin

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48
Q

Who observed that the coleoptiles of
canary grass respond to unilateral illumination by growing towards
the light source(Phototropism).

A

Charles Darwin & Francis Darwin

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49
Q

Who was isolated from tips of coleoptiles of oat seedhings by F.W.
Went.

A

Auxin

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50
Q

Who reported the appearence of symptoms of Bakane (foolish
seedlings)disease is uninfected rice seedlings when they were
treated with sterile filtrates of the fungus Gibberella fujikuroi.

A

E.Kurosawa

51
Q

Who observed that from the internodal segments of
tobacco stems the callus proliferate only if,in addition to auxins,the
nutrient medium was supplemented with one of the following:extract
of vascular tissue,Yeast Extract,Coconut milk or DNA.

A

Skoog & his Co workers

52
Q

Who identified,crystallised & termed Kinetin

A

Skoog & Miller

53
Q

Who confirmed the release of volatile substance from ripened

oranges that hastened the ripening of stored unripened bananas

A

Cousins

54
Q

Who established department of botany at university of Delhi

as important centre of research in Embryology & Tissue culture

A

P.Maheshwari

55
Q

Who emphasised the need for initiation of work on artficial

culture of immature embryos

A

P.Maheshwari

56
Q

Who work on test-tube fertilisation & intra ovarian pollination

A

P.Maheshwari

57
Q

Who popularised the use of embryological character in

taxonomy

A

P.Maheshwari

58
Q

Who was awarded by INSA(Indian

National Science Academy).

A

P.,Maheshwari & Ramdeo Misra

59
Q

Sanjay Gandhi Award in Environment & Ecology is given to

A

Ramdeo

Misra.

60
Q

Who is awarded by Padma Bhushan.

A

M.S.Swaminathan

61
Q

Lasker award given to

A

Watson & Crick

62
Q

Balzen prize given to

A

Ernst Mayr

63
Q

Who was honoured with Fellowship of Royal Society of

London(FRS)

A

P.Maheshwari

64
Q

Short-duration high-yielding varieties of rice(including scented
Basmati)was developed by

A

M.S.Swaminathan

65
Q

Who initiated collaboration with Norman Borlaug

A

M.S.Swaminathan

66
Q

Who is initiator of Lab-to-land & food security,

A

M.S.Swaminathan

67
Q

Who is known for the development of the concept of

crop cafeteria & crop scheduling

A

M.S.Swaminathan

68
Q

Good humor hypothesis was given by

A

Hippocrates & Indian Ayurveda System

69
Q

Good humor hypothesis was disproved by

A

William Harvey

70
Q

Blood circulation was discovered by

A

William Harvey

71
Q

Rivet popper hypothesis Was given by

A

Paul Ehrlich(Stanford Ecologist)

72
Q

Polyblend is formed by

A

Ahmed Khan & his company

73
Q

Who is related to organic farming

A

Ramesh Chandra Dagar

74
Q

Semi-dwarf wheat at ICWMI were developed by

A

Norman Borlaug

75
Q

Who observed that the restriction enzymes have the capabiity

of cutting DNA strands in a particular fashion (1969)

A

Herbert Boyer

76
Q

Who developed a method of removing plasmids from the cell

& then reinserting them in other cells.

A

Stanley Cohen

77
Q

First recombinant DNA was formed by

A

Cohen & Boyer

78
Q

Whose study on the “Effect of hard X-rays on bacteriophage

multiplication” (1950)

A

Watson

79
Q

Whose study on “X-ray diffraction: polypeptides & proteins” (1954)

A

Crick

80
Q

Double helical model of B-DNA was given by

A

Watson & Crick (1953)

81
Q

Who proposed laws of inheritance in living organisms

A

Mendal

82
Q

Punnet square were developed by .

A

R.C. Punnet

83
Q

Mendel’s results were rediscovered by _____ independently in 1900

A

de Vries, Correns & von

Tschermark

84
Q

Who noted that the behaviour of chromosome was parallel

to the behaviour of genes.

A

Sutton & Boveri

85
Q

Chromosomal theory of inheritance was given by .

A

Sutton & Boveri

86
Q

Experimental verification of the chromosomal theory of inheritance
was given by

A

T.H. Morgan

87
Q

Who argued that the pairing & separation of a pair of
chromosomes would lead to the segregation of a pair of factors they
carried

A

Sutton & Boveri

88
Q

Genetic map discovered by

A

Alfred Sturtevent

89
Q

trace a specific nuclear structure (X-body) all through

spermatogenesis in a few insects (1891).

A

Henking

90
Q

Down’s syndrome was first described by

A

Langdon Down (1866)

91
Q

DNA (Nuclein) was first identified by

A

Friedrich Meischer (1869)

92
Q

Xray diffrnction data produced by .

A

Wilkins & Franklin

93
Q

Transforming principle was given by

A

Griffith (1928)

94
Q

Biochemical characterisation of transforming principle was given by

A

Avery, Macleod & Mc Carty

95
Q

Unequivoal proof that DNA is the genetic material came from the
experiements of

A

Hershey & Chase (1952)

96
Q

Replication scheme was given by

A

Watson & Crick

97
Q

Central dogma of biology was given by .

A

Crick

98
Q

The expiremental proof that DNA replicates semiconservatively was given in prokaryotes by

A

Meselson & Stahl (1958)

99
Q

The experimental proof that DNA replicates semiconservatively was
given in eukaryotes by

A

Taylor (1958)

100
Q

Who proposed that codon was triplet.

A

George Gamow (a physicist)

101
Q

Who synthesizes RNA mole cules with defined

combination of bases (homopolyers & copolymers)

A

Har Gobind Khorana

102
Q

Who in cell-free system for protein synthesis finally helped the
code to be deciphered

A

Nirenberg

103
Q

What is called Severo Ochoa enzyme

A

Polynucleotide phosphorylase

104
Q

Lac operon was given by

A

Jacob & Monad

105
Q

Automated DNA sequencers worked on the principle of a method

developed by

A

Frederick Sanger

106
Q

Who developed the method for determination of amino

acid sequences in proteins

A

Frederick Sanger

107
Q

DNA finger printing technique was developed by

A

Alec Jeffreys

108
Q

Spontaneous generation theory was dismissed by

A

Louis Pasteur

109
Q

Life comes from pre-existing life it is told by

A

Louis Pasteur

110
Q

Who proposed that the first form of life could have

come from pre-existing non-living organic molecules

A

Oparin & Haldane

111
Q

Who made a sea voyage in a sail ship (H.M.S. Beagle)

A

Darwin

112
Q

Who worked in Malay Archipelago

A

Alfred Wallace

113
Q

Use and disuse of organs’ theory of evolution was given by

A

Lamarck

French Naturalist

114
Q

Who work on population

A

Malthus

115
Q

Who brought forth the idea of mutations

A

Hugo de Vries

116
Q

Who used the term saltation

A

Hugo de Vries

117
Q

Who revered as the father of ecology in India

A

Ramdeo Misra

118
Q

Who formulated the first pos tgraduate course in ecology in

India

A

Ramdeo Misra

119
Q

“Competitive Exclusion principle” was given by

A

Gause.

120
Q

Resource partitioning was given by

A

Mac Arthur.

121
Q

Cost of ecosystem services was given by

A

Robert Costanza

122
Q

Term Biodiversity popularised by

A

Edward Wilson (Sociobiologist)

123
Q

Species-area relationship was given by

A

Alexander von Humboldt

124
Q

The importance of species diversity to the ecosystem was given by

A

David Tilman

Bio AR (2 decks)

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