The extinct human who lives 100000 to 40000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was
1. Homo habilis
2. Neanderthal human
3. Cro-magnon humans
4. Ramapithecus
Parallelism is
1. adaptive divergence
2. adaptive divergence of widely separated species
3. adaptive convergence of widely different species
4. adaptive convergence of closely related groups
The concept of chemical evolution is based on
1. crystallization of chemicals
2. interaction of water, air, and clay under intense heat
3. effect of solar radiation on chemicals
4. the possible origin of life by the combination of chemicals under suitable environmental conditions
One of the important consequences of geographical isolation is
1. no change in the isolated fauna
2. preventing speciation
3. speciation through reproductive isolation
4. random creation of new species
Which one of the following describes correctly the homologous structures?
1. Organs appearing only in embryonic stage and disappearing later in the adult
2. Organs with anatomical similarities, but performing different functions
3. Organs with anatomical dissimilarities, but performing same functions
4. Organs that have no function now, but had an important function in ancestors
'Continuity of germplasm' theory was given by
1. De Vries
2. Weismann
3. Darwin
4. Lamarck
Which one of the following amino acid was not found to be synthesised in Miller's experiment?
1. Aspartic acid
2. Glutamic acid
3. Alanine
4. Glycine
Two geographical regions separated by high mountains are
1. Oriental and Austrailian
2. Palaearctic and Oriental
3. Nearctic and Palaearctic
4. Neotropical and Ethiopian
Correct order is [1991]
1. Palaeozoic Archaeozoic Coenozoic
2. Archaeozoic Palaeozoic Proterozoic
3. Palaeozoic Mesozoic Coenozoic
4. Mesozoic Archaeozoic Proterozoic
Homologous organs are
1. wings of insects and bat
2. gills of fish and lungs of rabbit
3. pectoral fins of fish and fore limbs of horse
4. wings of grasshopper and crow