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Alfred Wallace was a naturalist from...

Alfred Wallace was a naturalist from

A

Britain

B

Spain

C

Dutch East Indies

D

Greece

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Assertion :- Alfred Russel Wallace, a naturalist worked in Malay Archepelago that is Modern Indonesla. Reason :- He divided earth in seven geographical realms based on the distribution of inverlebrates.

Read the following statements carefully and select the correct ones. () Alfred wallace, a naturalist who worked in Malay Archipelago had also come to similar conclusions as Darwin around the same time. (ii) August Weismann by carefull experimentation demonstrated that life comes only from pre-existing life. (iii) The organs which have the same fundamental structure but are different in functions are called homologous organs. (iv) Rate of appearance of new form is inversely proportional to life spain of organism.

Alfred Wallace worked in

Alfred Wallace (1823-1913) was a naturalist from Dutch East Inides, who was working on Malaya Archipelago. Today, Malaya Archipelago is situated in

Which concept did Charles Darwin and Alfred wallace independently discover?

Who among the following is not a naturalist?

Statements: I. The world’s largest bee — a giant insect roughly the size of a human thumb — has been rediscovered in a remote part of Indonesia in its first sighting in nearly 40 years, researchers said. II. Despite its conspicuous size, no one had observed Wallace’s giant bee — discovered in the 19th century by British naturalist Alfred Russel Wallace. Conclusions: I. Several previous expeditions to the region where the bee lives failed to spot it. II. Indonesia is home to an abundant variety of flora and fauna but there are fears for some animal and insect communities as forests being cut down for agriculture threaten many species’ natural habitat. III. The bee which lives in the Indonesian island region of North Moluccas, makes its nest in termite mounds, using its large fang-like mandibles to collect sticky resin to protect its home from the termites.

Assertion Carolus Linnaeus was a Swedish naturalist. Reason Linnaeus is called Father of Taxonomy.

A naturalist (Who worked in Malay Archipelago) had also come to similar conclusions to that Darwin. which were considered by Darwin in his theory, who was this naturalist ?

ARIHANT NEET-THEORIES OF EVOLUTION-Chapter exercise A (Taking it together (Assorted Questions of the chapter for advanced Level Practice))
  1. de Vries believed mutation caused speciation and, hence called it

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  2. The key concept of darwinian theory of evolution is

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  3. Alfred Wallace was a naturalist from

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  4. When was Darwin's 'Origin of Species' published?

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  5. The scientist, who first stressed on adaptation as a means of evolutio...

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  6. Darwin raised several types of .....through artifical selection

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  7. According to Lamarck, evolution is towards

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  8. The name Galapagos islands has been given on the basis of occurrence o...

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  9. Forthcoming generation will be less adaptive than the present generati...

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  10. Theory of pangenesis is connected with

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  11. The concept of mechanism of origin of variations was suggested by

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  12. What is Lamarck credited with?

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  13. According to neo-darwinism, natural selection operates through

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  14. According to neo-darwinism, variations which are the raw material of e...

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  15. Natural selection is based on

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  16. In which type of evolution similar sequences of morphological modifica...

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  17. On an average, each femal of species X leaves 10 female offsprings in ...

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  18. According to Charles Darwin, evolution is

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  19. Which of the following described the process of natural selection?

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  20. Neo-Darwinism believes that new species develop through

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