The number of species of organisms currently known to science is?

Related Mcqs:

Oxygen accounts for __________ percent of totals human body mass?

A. 65% B. 18% C. 10% D. 3%...

Cytoskeleton involved in assembly and disassembly of the spindle during mitosis is of_________?

A. Microtubules B. Microfilaments C. Intermediate filaments D. None of these...

Deoxygenated blood first enters in _________ part in fishes?

A. Sinus venosus B. Right atrium C. Left atrium D. Conus arteriosus...

Which of the following is not present in mitochondria?

A. Enzymes B. Co-enzymes C. Ribosomes D. Thylakoids...

A cofactor made of inorganic ion which is detachable is called__________________?

A. Prosthetic group B. Coenzyme C. Activator D. Cofactor...