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Chemistry Inorganic > Evolution > Flashcards

Evolution Flashcards

(80 cards)

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1
Q

Drypoithecus and ramapithecus existed

A

15mya

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2
Q

Man like primates walked in Eastern Africa who were not more than 4 feet but walked upright

A

3 - 4 mya

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3
Q

Whose fossils were discovered in Tanzania and Ethiopia

A

Man like primates

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4
Q

Australopithecines lived in East African grassland about

A

2 mya

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5
Q

Who hunted with stone weapons but essentially ate fruits

A

Australopithecines

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6
Q

Brain capacity of homo habilis is

A

650 - 800 cc

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7
Q

Fossils discovered in Java at 1891were fossils of

A

Homo erectus

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8
Q

Homo elects existed abt

A

1.5 mya

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9
Q

The brain capacity of homo erectus is

A

900 cc

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10
Q

Which all evolutionary men probably did not ate meat

A

Australopithecines and homo habits

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11
Q

Which evolutionary men probably ate meat

A

Homo erectus

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12
Q

Brain size of Neanderthal men were

A

1400 cc

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13
Q

During ice age which arose

A

Modern homo sapiens

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14
Q

First cellular forms of life appeared on earth about

A

2000 million years ago

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15
Q

Invertebrates were formed

A

500 mya

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16
Q

Jawless fish originated about and fish with stout and strong fin existed in

A

350 mya

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17
Q
A
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18
Q

Sea weedsand so e p.ants arose approx

A

320 mya

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18
Q

Coelocanth was rediscovered in

A

1938 in south Africa

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19
Q

Icyhyosaures existed

A

200 mya

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19
Q

Fish with stout fins were ancestors of present day

A

Frogs and salamanders

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20
Q

Biggest land dinosaurs was

A

Tyrranoserous Rex which was 20 feet

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21
Q

Dinosaurs extincted about

A

About 65 mya

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22
Q

First mammals were

A

Like shrews

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23
Which type of natural selection is useful for speciation
Disruptive
24
The factors that affect Hardy weinberg equilibrium is
Genetic migration or gene flow Genetic drift Natural selection Genetic Recombination Mutation
25
Example of founder effect I'd
Darwin finches
26
Natural selection in which more people acquire mean value is
Stabilising
27
The natural selection in which people acquire ChRECTERS other than Mean value is
Directional
27
The two key concepts of darwinian theory of evolution is
Branching descent and natural selection
27
HugodeVries discovered the idea of Mutation while working on
Evening prim rose
28
The use and disuse theory was proposed by
Lamarck
28
The user and disuse theory was proven wrong by
Germ plasm theory
28
Whose work influenced darwin
Thomas Malthus
28
Examples of adaptive radiation is
Darwin finches and Australian marsupials
29
Embroyological support for evolution was given by
Ernest haeckel
30
Embroyological support of evolution was disapproved by
Karl Ernst Von Baer
31
Sweet potato is
Root modification
32
Potato is a
Stem modification
33
Evolution by anthropogenic action tells us that evolution is a
Stochastic process and not a directed process
34
Who came to Similar conclusions like that of Darwin
Alfred wallace
35
Alfred wallace worked in
Malay Archipelago
36
Darwin worked in
Galappagos island
37
How old is universe
20 billion yrs old
38
Age of earth is
4.5 billion yrs old
39
Life formed
4 billion yrs back or 500 million yrs after the formation of earth
40
TTheory of Spontaneous generation was disapproved by
Loius pasture
41
The conditions on primitive earth was
High temp, Volcanic eruption ,storms, reducing atmosphere containing CH4 and NH3
42
Similar atmosphere condition as that of primitive earth was created by
SL Miller ( 1953)
43
First non cellular forms of life originated about
3 billion yrs back
44
Want is biogenesis
The first formed life arose slowly through evolutionary forces from non living molecules is accepted by majority
45
According to thery of special creation earth is
4000 yrs old
46
Sl Miller created a temp of
800 ° C
47
The correct order of evolution of first life forms were
Organic monomers, organic polymers, formation of protobionts, dna
48
Miller's experiment did not contain which Amino acid
Glutamic acid
49
The first organisms were
Chemoheterotrophs
50
Origin of species was written by
Darwin
51
What is common to whale, seal and shark
Converg3nt evolution
52
An important proof of organic evolution is
Homologous organs and vestigial organs
52
Most accurate method for dating fossils is
Electron spin resonance method
52
What evidence suggested that chimpanzees were more related to man
Evidence from dna extracted from sex chromosomes, autosomal and Mitochondria
52
Sequence of which of the following I used for phylogenetic studies
rRNA
52
Half life of C14 is
5730
52
Presence of gill slite during embroyological development support
Biogenesis
52
Genetic drift occurs in
Small geographical isolated region
52
Frequency of afactor increases when it is
Adaptable
52
Basic laws of embryonic development wâ given byg
Von Baer
53
Theory of inheritance of acquired characters is
Lamqrvk
54
Initiating force of evolution is
Variation
55
Mutations are
Pre adaptive
56
Theory that suggest that life originated from a primordial soup of organic molecules in early earth oceans
Chemical evolution
56
Cichlid fishes in African lakes are an example of
Adaptive radiation
56
56
The first species to use tool were
Homo habilis
56
Most direct evidence for evolution is
Fossil evidence
56
The theory of biogenesis states that
Life originates from pre existing living organism
57
Genetic variation is least in
Stabilizing selection
57
Basic unit of evolution is
Population
58
Biogeographical factor that mostly influence the distribution of species
Continental drift
59

Chemistry Inorganic (16 decks)

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