Choose the incorrect match
1. First noncellular form of life – 3 bya
2. First cellular form of life – 2 bya
3. Fish like reptiles – 200 mya
4. Ramapithecus – 1.2 mya
Industrial melanism is a phenomenon that is best demonstrated as
(1) Directional selection
(2) Pollution generated mutation
(3) Protective mimicry
(4) Defensive adaptation against UV radiations
Which of the following is an example of homologous organs?
1. Wings of butterfly and of birds
2. Eye of the Octopus and of mammals
3. Sweet potato and potato
4. Thorns of Bougainvillea and tendrils of Cucurbita
Which of the following is incorrect with respect to different hominids, their cranial capacities and characteristics?
Hominid | Cranial capacity |
Characteristics | |
1 | Homo habilis | 650-800 | Herbivorous, tool-maker |
2 | Homo erectus | 900 cc | Discovered fire, ate meat |
3 | Neanderthal man |
1400 cc | Used hides as clothing and had burial customs |
4 | Australopithecus africans |
700 cc | Bipedal, used stone tools |
Examples of phenomenon named adaptive radiation is not seen in/amongst
1. Marsupials in Australia
2. Finches on Galapagos islands
3. Dark and light moths with respect to industrial melanism
4. Structure of limbs for locomotion in mammals
Embryological support for evolution was proposed by
(1) Ernst Heckel
(2) Karl Ernst von Baer
(3) Charles Darwin
(4) Alfred Wallace
Structures given in the figure below represent the example of
1. Adaptive convergence
2. Convergent evolution
3. Analogy
4. Divergent evolution
Hardy-Weinberg equilibrium can be disrupted by presence of all except
1. Genetic drift
2. Random mating
3. Non-random mating
4. Mutations
Choose the incorrect match
1. | Flippers of penguins and dolphins | Convergent evolution |
2. | Marsupials of Australia | Adaptive radiation |
3. | Darwin’s finches | Natural selection |
4. | Lemur and spotted cuscus | Divergent evolution |
A type of natural selection in which more individuals acquire peripheral character value at both ends of distribution curve is
1. Directional selection
2. Disruptive selection
3. Balancing selection
4. Stabilising selection