Coelom is divided into septa in case of:__________?
Coelom is divided into septa in case of:__________?A. Molluscs
B. Annelids
C. Sponges
D. Cniderians
B. Annelids
C. Sponges
D. Cniderians
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Cotton, wool, silk are examples of ____________ ?
Cotton, wool, silk are examples of ____________ ?A. Plant Fibres
B. Animal Fibres
C. Natural Fibres
D. Synthetic FibresOf the following, which one is better respiratory medium___________?
Of the following, which one is better respiratory medium___________?
A. Air
B. Water
C. Soil
D. None of theseThey are considered to be the most primitive and are surely the first of the vertebrates?
They are considered to be the most primitive and are surely the first of the vertebrates?
A. Frogs
B. Reptiles
C. Amphibinas
D. Jawless fishesTotal number of amino acids discovered so far in cells and tissues are______________?
Total number of amino acids discovered so far in cells and tissues are______________?
A. 20
B. 25
C. 150
D. 170Kind of respiration through which skeletal muscles of human body gets the energy is ________ ?
Kind of respiration through which skeletal muscles of human body gets the energy is ________ ?A Acidic respiration
B. Anaerobic respiration
C. Aerobic respiration
D. Nitrogenous respirationWilkins X-ray diffraction showed the diameter of the DNA helix as ________?
Wilkins X-ray diffraction showed the diameter of the DNA helix as ________?A. 10A
B. 20A
C. 30A
D. 40A