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question_answer1)
Fossils are
A)
remains of deadly plants and animals that are extinct done
clear
B)
remains of plants and animals that are still surviving done
clear
C)
both [a] & [b] done
clear
D)
none of the above done
clear
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question_answer2)
Speciation is
A)
making of independent species done
clear
B)
macro evolution done
clear
C)
new environmental ways for existence done
clear
D)
all of the above done
clear
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question_answer3)
The scientific name for the maximum modem man among these is
A)
Homosapiens done
clear
B)
Human species done
clear
C)
Neanderthalensis done
clear
D)
Homo sapiens done
clear
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question_answer4)
Modem man evolved from
A)
Java man done
clear
B)
Peking man done
clear
C)
Neanderthal man done
clear
D)
cro-magnon man done
clear
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question_answer5)
The book 'Origin of Species' was written by
A)
Darwin done
clear
B)
Lamarck done
clear
C)
Mendel done
clear
D)
de Vries done
clear
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question_answer6)
|
Column-I |
|
Column-II |
A. |
Wing of a bat and wing of a bird |
P. |
darwin |
B. |
Dihybrid ratio |
Q. |
Mendel |
C. |
Natural selection |
R. |
Analogous organ |
D. |
Arm of a man and wing of a bird |
S. |
Homologous organs |
A)
A-S; B-P; C-Q; D-R done
clear
B)
A-R; B-Q; C-P; D-S done
clear
C)
A-R; B-Q; C-P; D-S done
clear
D)
A-S; B-P; C-P; D-Q done
clear
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question_answer7)
Consider the following statements :
A. Life can originate on earth from pre-existing life only. |
B. The atmosphere of the primitive earth was reducing. |
Which of these statement(s) is/are correct?
A)
A only done
clear
B)
B only done
clear
C)
Both A and B done
clear
D)
Neither A nor B done
clear
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question_answer8)
The remains of mummies denote
A)
The kind of preservative technique in that era done
clear
B)
Evolutionary reveal done
clear
C)
Historical reveals done
clear
D)
All of the above done
clear
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question_answer9)
Vestigial organs are those present in the living beings without functions gives and mark the correct option for vestigeal organs in humans
A)
Vermifrom appendix done
clear
B)
mammary glands of male done
clear
C)
nicitating membrane in eyes done
clear
D)
all of the above done
clear
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question_answer10)
In evolution which animals class is between entirely water living to land
A)
fishes and reptile done
clear
B)
fishes & reptiles done
clear
C)
reptiles and Amphibion done
clear
D)
reptiles and birds done
clear
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question_answer11)
To which of the following types of animals are Salamanders closely related? [NDA]
A)
Dolphins and Whales done
clear
B)
Frogs and Toads done
clear
C)
Prawns and Crabs done
clear
D)
Seals and Walruses done
clear
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question_answer12)
In terms of the evolution of organisms, which one among the following is the most advanced? [NDA]
A)
Bat done
clear
B)
Pigeon done
clear
C)
Shark done
clear
D)
Vulture done
clear
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question_answer13)
Analogous organs are
A)
different in origin but perform similar functions. done
clear
B)
common in origin and perform common functions. done
clear
C)
common in origin but perform different functions. done
clear
D)
different in origin and perform different functions. done
clear
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question_answer14)
The term 'Survival of Fittest' was used by
A)
Charles Darwin done
clear
B)
Herbert Spencer done
clear
C)
Jean Baptiste done
clear
D)
Hugo de Vries done
clear
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question_answer15)
|
Column-I (Name of the Scientist)
|
|
Column- II (Contributions)
|
A.
|
Charles Darwin
|
I.
|
Mutation theory
|
B.
|
Lamarck
|
II.
|
Germ plasm theory
|
C.
|
Hugo de Vries Zoologique
|
III.
|
Philosophic
|
D.
|
Ernst Haeckel species
|
IV.
|
The Origin of
|
E.
|
August Weismann
|
V.
|
Biogenetic law
|
|
|
VI.
|
Essay on population
|
A)
A-IV; B-III; C-1; D-V; E-II done
clear
B)
A-IV; B-III; C-V; D-I; E-VI done
clear
C)
A-IV; B-VI; C-V; D-III; E-I done
clear
D)
A-II; B-III; C-I; D-V; E-II done
clear
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question_answer16)
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
A)
Shortening of jaws done
clear
B)
Binocular vision done
clear
C)
Increasing cranial capacity done
clear
D)
Upright posture. done
clear
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question_answer17)
Who proposed that the first form of life come from pre-existing non- living molecules?
A)
Oparin and Haldane done
clear
B)
de Vries and Haldane done
clear
C)
Darwin and Lamarck done
clear
D)
Louis Pasteur and Miller done
clear
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question_answer18)
A biogeographic region with significant reservoir of biodiversity that is under threat from humans is called as [NDA]
A)
bio endangered region done
clear
B)
bio diversity hotspot done
clear
C)
bio diversity reservoir done
clear
D)
environmentally endangered region done
clear
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question_answer19)
Which one of the following processes of weathering belongs to both mechanical and chemical weathering? [NDA]
A)
Crystallization done
clear
B)
Exfoliation done
clear
C)
Hydration done
clear
D)
Carbonation done
clear
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question_answer20)
In the context of ecology and environment, what does the Red Data Book pertain to? [CDS]
A)
Details of harmful levels of various pollutants done
clear
B)
A complete list of all endangered plants and animals done
clear
C)
A description of the consequences of nuclear holocaust done
clear
D)
A description of the sociological and psychological consequence of genetically modified plants and animals done
clear
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question_answer21)
Which of the following is not a bird? [CDS]
A)
Bat done
clear
B)
Emu done
clear
C)
Kiwi done
clear
D)
Ostrich done
clear
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question_answer22)
The branches of this tree root themselves like new trees over a large area. The roots then give rise to more trunks and branches. Because of this characteristic and its longevity, this tree is considered immortal and is an integral part of the myths and legends of India. Which tree is this? [CDS]
A)
Banyan done
clear
B)
Neem done
clear
C)
Tamarind (Imli) done
clear
D)
Peepal done
clear
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question_answer23)
Which one of the following is not a feature of eutrophic lakes? [CDS]
A)
Blooms are frequent in eutrophic lakes done
clear
B)
Plant nutrient flux is high done
clear
C)
Primary productivity is low done
clear
D)
Dominated by blue green algae done
clear
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question_answer24)
Polar bears are carnivores and prey on many arctic birds and fishes. However, under natural conditions, no one found polar bears predating any penguin. This is because [CDS]
A)
penguins have chemical substance in their muscles which is toxic to polar bears done
clear
B)
penguins are gregarious and always move in groups. Therefore, a polar bear cannot approach them done
clear
C)
polar bears and penguins never coexist under natural conditions. The former lives in the North Pole while the latter lives in the South Pole done
clear
D)
None of these done
clear
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question_answer25)
|
List-I (Indian wild life species) |
|
List-II (Scientific names) [IAS Prelim] |
A. |
Asiatic wild ass tragocamelus |
1. |
Boselaphus |
B. |
Barasingha |
2. |
Cervus duvauceli |
C. |
Chinkara |
3. |
Equus hemionns |
D. |
Nilgai |
4. |
Gazella gazella |
A)
A-2; B-3; C-1; D-4 done
clear
B)
A-3; B-2; C-4; D-1 done
clear
C)
A-2; B-3; C-4; D-1 done
clear
D)
A-3; B-2; C-1; D-4 done
clear
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question_answer26)
With reference to soil conservation, consider the following practices: [IAS Prelim]
1. Crop rotation |
2. Sand fences |
3. Terracing |
4. Wind breaks |
Which of the above are considered appropriate methods for soil conservation in India.
A)
1, 2, and 3 only done
clear
B)
2 and 4 only done
clear
C)
1, 3 and 4 only done
clear
D)
1, 2, 3 and 4 done
clear
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question_answer27)
All are ecosystems except
A)
Forest done
clear
B)
Grassland done
clear
C)
Garden done
clear
D)
Sun done
clear
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question_answer28)
All producers are
A)
Food making organisms done
clear
B)
Make food in the presence of sunlight with chlorophyll done
clear
C)
All autotrophs done
clear
D)
All the above done
clear
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question_answer29)
Which one of these is not a food chain
A)
Trees \[\to \] Deer \[\to \] Lion done
clear
B)
Plants \[\to \] Man \[\to \] Anaconda done
clear
C)
Plants \[\to \] Insects \[\to \] Frog \[\to \] Snake \[\to \] Kite done
clear
D)
Small \[\to \] plants \[\to \] Crabs \[\to \] Fish \[\to \] Swan \[\to \] bird done
clear
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question_answer30)
The last chain of food are
A)
Producers done
clear
B)
Decomposers done
clear
C)
Parasites done
clear
D)
None of the above done
clear
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question_answer31)
The accumulation of non-biodegradable substances in a food chain in increasing amount at each higher trophic level is known as:
A)
Accumulation done
clear
B)
Eutrophication done
clear
C)
Pollution done
clear
D)
Bio magnification done
clear
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question_answer32)
Flow of energy in an ecosystem is always
A)
Unidirectional done
clear
B)
Bidirectional done
clear
C)
Multi directional done
clear
D)
No specific direction done
clear
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question_answer33)
Consider the following statements :
A. Earth is kept warm due to greenhouse flux. |
B. The reproduction and other activities of living organisms are affected by the abiotic components of ecosystem. |
C. Ecology is the scientific study of the interaction of organisms with each other and the environment. |
Which of these statement(s) is/are correct?
A)
A and B done
clear
B)
B and C done
clear
C)
A, B and C done
clear
D)
None of these done
clear
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question_answer34)
Energy is maximum in ............... trophic level and minimum in the ............... trophic level
A)
producer, consumer done
clear
B)
consumer, decomposer done
clear
C)
top, Bottom done
clear
D)
bottom, Top done
clear
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