In a dihybrid cross, $9: 3: 3: 1$ ratio, denotes that ___________.
it is a polygenic inheritance
alleles of two genes are linked to each other
alleles of two genes are segregated independently
it is a case of multiple alleles
How does the Hb act as buffer?
By forming $\mathrm{HbCO}_2$
By forming HHb
By forming $\mathrm{NaHCO}_3$
By forming $\mathrm{HbO}_2$
Which one of the following genetically engineered microorganisms, used for clearing oil spills in the sea, was given first biopatent?
E. coli
Pseudomonas
Agrobacterium
Bacillus
The current loss of biodiversity which is progressing at an alarming rate is estimated to be ________ to __________ times faster than prehuman times.
10 to 100
50 to 100
100 to 1000
1000 to 10000
MHT CET (Biology) Papers
All year-wise previous year question papers