BIOLOGY M.C.Q (1 Marks)

Thermus aquaticus
Explanation: Taq polymerase is a thermostable DNA polymerase named after the thermophilic bacterium Thermus aquaticus from which it was originally isolated by Chien et al. in 1976. Its name is often abbreviated to Taq Pol or simply Taq. It is frequently used in the polymerase chain reaction (PCR), a method for greatly amplifying the quantity of short segments of DNA. It remains active during high temperature-induced denaturation of double-stranded DNA.

Propionibacterium sharmanii
Explanation: Propionibacterium sharmanii

Mating between relatives
Explanation: The symbols and its representation used in the human pedigree analysis is mating between relatives is correct.

Autotrophs
Explanation: Autotrophs

Convergent evolution of Australian marsupials and placental mammals
Explanation: Wolf and Tasmania Wolf are examples of convergent evolution of placental mammals and Australian marsupials. They are evolved differently due to different in climatic and geographic regions.

Affected individuals
Explanation: In pedigree analysis, the symbol shown above represents affected individuals.

Glomus
Explanation: The genus Glomus exhibits symbiotic association with higher plants.

Salmonella typhimurium
Explanation: Salmonella typhimurium

Trichomoniasis
Explanation: Trichomoniasis

Kerala
Explanation: Kerala

Surrogate mother
Explanation: Sometimes eggs of females and sperm of males are able to produce but a fallopian tube is either blocked or uterus is not capable of implantation. In this case, ovum collected from females and sperm collected from males is fertilized and transferred to another female called surrogate mother for further development.

net primary productivity
Explanation: Net Primary Productivity (NPP) is the amount of carbon uptake after subtracting Plant Respiration (RES) from Gross Primary Productivity (GPP). GPP is the total rate at which the ecosystem capture and store carbon as plant biomass, for a given length of time. NPP GPP - RES.