Protonephridia are present in____________?

Related Mcqs:

Steps Involved in scientific method are ?

A. Hypothesis –>Accumulated data –> observation & experimentation –> conclusion B. New data —> Conclusion —> Accumulated data —> Observation & experimentation C. Accumulated data – New data – Observation & experimentation – Hypothesis –> Conclusion D. Accumulated data —> Hypothesis –> Observation & experimentation —> New data —> Conclusion...

Which one is not correct for a productive theory?

A. It is predictive B. It has explanatory power C. It discourages suggestion of different hypotheses D. None of these...

Many bacteria in our digestive system synthesize vitamins for example vitamin_________?

A. B1 B. B2 C. B12 D. B6...

A chromosome with centromere near the middle is called _________ ?

A. Metacentric B. Submetacentric C. Acrocentric D. Telocentric...

Genetic information are carried in the form of long chain of molecules made-up-of _________?

A  Amino acids B. RNA C. Nucleotides D. Polypeptides...