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Reyana09

@reyana09

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Joined: Nov 16, 2021
Last seen: Dec 29, 2021

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Answer to: The extinct stone ancestor, who ate only fruits and hunted with stone weapons was

Correct answer: (b) Australopithecus

4 years ago

Forum

Evolution

Answer to: The primate which existed 15 mya was (a) Homo habilis (b) Australopithecus (c) Ramapithecus (d) Homo erectus

Correct answer: (c) Ramapithecus

4 years ago

Forum

Evolution

Answer to: Amphibians were dominant during _______ period.

Correct answer: (a) Carboniferous

4 years ago

Forum

Evolution

Answer to: The ‘Devonian period’ is considered to be as

Correct answer: (a) age of fishes

4 years ago

Forum

Evolution

Answer to: Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution?

Correct answer: (d) Proterozoic, Palaeozoic, Mesozoic, Cenozoic

4 years ago

Forum

Evolution

Answer to: Identify the correct arrangement of periods of Palaeozoic era in ascending order in geological time scale.

Correct answer: (b) Cambrian → Ordovician → Silurian → Devonian→Carboniferous → Permian

4 years ago

Forum

Evolution

Answer to: The character that proves that frogs have evolved from fishes is

Correct answer: (b) tadpole larva in frogs

4 years ago

Forum

Evolution

Answer to: Presence of gills in the tadpole of frog indicated that

Correct answer: (d) frogs evolved from gilled ancestors

4 years ago

Forum

Evolution

Answer to: First life from on earth was a (a) cyanobacterium (b) chemoheterotroph (c) autotroph (d) photoautotroph

Correct answer: (b) chemoheterotroph

4 years ago

Forum

Evolution

Answer to: Coacervates are (a) colloid droplets (b) nucleoprotein containing entities (c) microspheres (d) both (a) and (b)

Correct answer: (d) both (a) and (b)

4 years ago

Forum

Evolution

Answer to: The first life originated (a) on land (b) in air (c) in water (d) all of these

Correct answer: (c) in water

4 years ago

Forum

Evolution

Answer to: Early atmosphere contained methane and other hydrocarbons. They have been now replaced by

Correct answer: (c) carbon dioxide

4 years ago

Forum

Evolution

Answer to: The correct sequence for the manufacture of the compounds on the primitive earth is

Correct answer: (d) NH3, carbohydrate, protein and nucleic acid.

4 years ago

Forum

Evolution

Answer to: According to Oparin, which one of the following was not present in the primitive atmosphere of the earth?

Correct answer: (b) Oxygen

4 years ago

Forum

Evolution

Answer to: According to one of the most widely accepted theories, earth’s atmosphere before origin of life was

Correct answer: (b) oxidising along with H2

4 years ago

Forum

Evolution

Answer to: Who proposed that the first form of the could have come from pre-existing non-living organic molecules?

Correct answer: (b) Oparin and Haldane

4 years ago

Forum

Evolution

Answer to: Abiogenesis theory of origin supports (a) spontaneous generation (b) origin of life from blue-green algae

Correct answer: (a) spontaneous generation

4 years ago

Forum

Evolution

Answer to: One of the possible early sources of energy was/were

Correct answer: (d) UV rays and lightning.

4 years ago

Forum

Evolution

Answer to: Variations during mutations of meiotic recombinations are

Correct answer: (a) random and directionless

4 years ago

Forum

Evolution

Answer to: Which of the following is an example for link species? (a) Lobe fish (b) Dodo bird (c) Seaweed (d) Chimpanzee

Forum

Super Globals

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