Who classified organisms into six kingdoms?
A. Carl Woese
B. John Ray
C. Cavalier-Smith
D. Whittaker
Which cells in sponges are equivalent of an immune system?
A. Pinacocytes B. Spongocytes C. Rhabdiferous cells D. Grey cells
Which cells secrete the mineralized spicules?
A. Pinacocytes B. Sclerocytes C. Porocytes D. Choanocytes
Cells that form closable inlet valves in sponges to control channels –
A. Pinacocytes B. Myocytes C. Porocytes D. Choanocytes
Inner layer of sponges is formed by
A. Pinacocytes B. Lophocytes C. Collencytes D. Choanocytes
Platelike cells that maintain the size and structure of the sponge
A. Pinacocytes B. Lophocytes C. Collencytes D. Choanocytes
In sponges outer layer is formed of
A. Pinacocytes B. Lophocytes C. Collencytes D. Choanocytes
Cellular level of organisation level of organisation is seen in
A. Sponges B. Platyhelminthes C. Protozoa D. Plasmodium
Cladogram considers the following characters
a. Physiological and Biochemicalb. Evolutionary and Phylogeneticc. Taxonimic and systematicd. None of the above
Which of the following is not present in same rank?
a. Primatab. Orthopterac. Dipterad. Insecta