The skeleton of the sponges is in the form of variously shaped needle like structures called___________?

Related Mcqs:

Immunization by vaccination was first introduced by?

A. Fleming in 1945 B. Florey & Chain in 1975 C. Flore & Chain in 1795 D. Edward Jenner in 1795...

Messenger RNA is formed in_________?

A.nucleus B.chloroplast C.mitochondria D.none of these...

Ribosomes and DNA are also present in_________?

A. mitochondria B. golgi complex C. endoplasmic reticulum D. lysosomes...

QRS complex represents____________?

A. Atrial systole B. Ventricular systole C. Atrial diastole D. Ventricular diastole...

The phylum chrordata comprise about how many species?

A. 25,000 B. 50,000 C. 100,000 D. 10,00,000...