Exoskeleton of a marine snail is composed of________________?

Related Mcqs:

in which cell ribosome are of large size and present either on endoplasmic reticulum or free in cytoplasm?

A. prokaryotic B. eukaryotic C. both D. all the above...

Mosses are included in sub-division of ___________?

A. Anthoceropsida B. Hepaticopsida C. Bryopsida D. Lycopsida...

Secretin is a hormone produced by___________?

A. Stomach B. Liver C. Pancreas D. Duodenum...

It is one of the convulsive disorders of nerves which are characterized by abrupt transient symptoms of motor, sensory, psychic or autonomic nature________________?

A. Parkinson’s disease B. Epilepsy C. Alzheimer’s discease D. Dementia...

Chlorophylls mainly absorb _________ wavelengths?

A. Orange – blue B. Violet – red C. Yellow – orange D. Orange – red....