CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Phylogenetic relationship can be best established by- (1) Allozymes (2) Alakaloids (3) Molecular markers (4) Morphology Molecular Markers: The Gold Standard for Establishing Phylogenetic Relationships Establishing accurate phylogenetic relationships—uncovering […]
Phylogenetic relationship among organisms cannot be established on basis of- (1) 5 S r-RNA (2) t-RNA sequencing (3) 16 S r-RNA (4) Mitochondrial DNA Which Molecular Markers Cannot Establish […]
Human phylogeny is characterized by- (1) Y chromosome (2) Mitochondrial genes (3) Both 1 & 2 (4) VNTR Human Phylogeny: The Role of Y Chromosome and Mitochondrial Genes in […]
Scientists discovered two new plant species. “A” and “B” that look similar except that, species “A” bears flowers and leaves that are twice the size of those in species “B”. […]
Using molecular clock, it was estimated that two species A and B must have diverged from their common ancestor about 9 x 106 years ago. If the rate of divergence […]
Given below are the few statements on concepts related to genome evolution. A. Presence of introns in some chloroplast genes suggests that endosymbiosis (leading to organelle evolution) occurred before loss […]
If the ratio of the number of non-synonymous to snynonymous substitutions per site in protein coding gene is greater than one, it is an evidence of selection that is (1) […]
Which of the following is a prediction of neutral theory of molecular evolution that is supported by data? (1) Human and chimps differ more in DNA sequences of psuedogenes than […]
Which one of the following statements is NOT TRUE about the Neutral Theory as proposed by Motoo Kimura? (1) Except for advantageous mutations, most alleles are under neutral selection (2) […]
Molecular evolution generally do not reflects (1) Species divergence (2) Convergent evolution (3) Natural selection (4) Neutral mutation What Does Molecular Evolution Reflect? Understanding Its Limits in Convergent Evolution […]
