Which of the following species are restricted to an area?
Sympatric species
Sibling species
Allopatric species
Endemic species
Select the incorrect statement.
Stellar’s sea cow and passenger pigeon got extinct due to over exploitation by men
The mitotic convention on biological diversity was held in 1992
Species diversity increase as we move away from the equator towards the poles
Lantana and Eichhomia are invasive weed species in India
The effect of cigarette smoking and radon in combination on lungs is
Fatal
Synergistic
Mutualistic
Antagonistic
The thermostable enzymes, Taq and Pfu, isolated from thermophilic bacteria are
RNA polymerases
DNA ligases
DNA polymerases
Restriction endonucleases
Biolistic technique is used in
Gene transfer process
Tissue culture process
Hybridisation process
Germplasm conservation process
The largest gene in man is
Insulin gene
Tumour suppressor gene
Beta globin gene of haemoglobin
Dystrophin
Herbicide-resistant gene in a plant is
Mt
Gt
Ct
Bt
D.
Bt
Herbicide-resistant gene in plants is Bt gene Bacillus thuringiensis is the bacterium that occurs naturally in soil. It is now used as herbicide or biopesticide.
Skin colour is controlled b
Single gene
3 pairs of genes
2 pairs of genes
2 pairs of genes with an intragene