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| CSIR Notes |
a) Sibling speciesb) Taxonomic speciesc) Biological speciesd) Morphospecies
2. Occurrence of similar morphological forms in clade at different interval is termed as (June 2006)
a) Iterativeb) Convergentc) Co evolutiond) Parallel evolution
3. Groups of members which cannot interbreed freely are termed as (June 2006)
a) Sibling speciesb) Taxonomic speciesc) Biological speciesd) Morphospecies
4. Speciation occurring due to geographical barrier is termed as (June 2006)
a) Allopatricb) Sympatricc) Parapatricd) Peripatric
5. During evolution increased ornamentation in male is a result of (June 2009)
a) sexual selectionb) natural selectionc) directional selectiond) co evolution
6. Hardy-Weinberg law in a population represents (June 2006)
a) Genotype frequencyb) Allele frequencyc) Heterozygote frequencyd) Homozygote frequency
7. If the two or more morphological forms are favoured against heterozygotes such as selection is termed as (June 2006)
a) Disruptiveb) Directionalc) Stabilizingd) Cyclic
8. Maximum diversity of reptiles was during (June 2006)
a) Jurassicb) Triassicc) cretaceousd) Ordovician
9. Wings of insects and birds have become flat, large and stream lined. This is an example of (June 2006)
a) co evolutionb) convergent evolutionc) divergent evolutiond) parallel evolution
10. The present concept for origin of life is (June 2006)
a) At hydrothermal ventsb) On landc) Pangenesisd) In mid oceans
11. Which is correct sequence of evolution of human culture and civilization? (June,2009)
a) Cave painting>burial>agriculture> potteryb) Cave painting>agriculture>burial> potteryc) Cave painting> pottery>agriculture>buriald)Cave painting> pottery>burial>agriculture
12. Genetic drift occurs by (Dec 2006)
a) mutationb) immigrationc) emigrationd) chance
13. Numerical taxonomy involves (Dec,2006)
a) molecular taxonomyb) overall similarityc) phylogenetic similarityd) morphological similarity
14. The development of social behaviour is related to (Dec 2006)
a) genetic relatednessb) size of organismc) size of populationd) brain size and complexity
15. The organism with high parental care will also show (Dec,2006)
a) small size of offspringsb) maturation at early stagec) iteroparityd) semelparityAnswers:
- a) Sibling species
- a) Iterative
- c) Biological species
- a) Allopatric
- a) sexual selection
- a) Genotype frequency
- a) Disruptive
- c) cretaceous
- b) convergent evolution
- a) At hydrothermal vents
- b) Cave painting>agriculture>burial> pottery
- d) chance
- c) phylogenetic similarity
- d) brain size and complexity
- c) iteroparity