12 Biology- 7. Evolution : Online Test
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Thorns of Bougainvillea and tendrils of Cucurbita are examples of *
2 points
Peripatus is a connecting link between *
2 points
Among the human ancestors, the brain size was more than 1000 cc in *
2 points
Which one of the following amino acids was not synthesised in Miller's experiment? *
2 points
De Vries gave the mutation theory on organic evolution after working on *
2 points
One of the important consequences of geographical isolation is *
2 points
In a random mating population in equilibrium, which of the following brings about a change in gene frequency in a non-directional manner? *
2 points
Random genetic drift in a population results from *
2 points
Darwin judged the fitness of an individual by the *
2 points
What is meant by the term 'Darwin's fitness? *
2 points
Coacervates are *
2 points
Hardy-Weinberg principle explains *
2 points
Wings of Butterfly and wings of Bat are *
2 points
Use and disuse theory was proposed by *
2 points
Theory of spontaneous generation was given by *
2 points
which of the following factor(s) affect Hardy-Weinberg equilibrium? Tick the most appropriate answer. *
2 points
The following pairs indicates convergent evolution of Placental mammals and  Australian marsupials. One of the pairs is incorrectly matched. Find it. A) Ant eater - Numbat B) Lemur - Spotted cuscus C) Bob cat - Tasmanian wolf D) Flying squirrel - Flying phalanger *
2 points
The following are in the evolutionary stages prior to appearance of present day  human. Find the correct sequence using code letters against each. Australopithecus (A), Homo erectus (B), Homo habilis (C),Homo sapiens fossilis (D) *
2 points
About 200 mya, some of the reptiles went back into water and evolved into fish like reptiles. These were
2 points
Clear selection
Below given is Diagrammatic representation of operation of Natural selection on different traits. Write the names of A,B and C in sequence *
2 points
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