Hydra has no specialized excretory system because:?
A. It does not produce waste material
B. Due to absence of mesoderm
C. The whole body cells are in contact with water
D. It has pseudocoelom.
A. It does not produce waste material
B. Due to absence of mesoderm
C. The whole body cells are in contact with water
D. It has pseudocoelom.
A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist
A. Binding sites of actin get attached to the myosin head.
B. Troponin uncovers the actin binding sites.
C. Tropomyosin gets removed from the binding sites of actin filaments.
D. Ca2 goes back inside sarcoplasmic reticulum.
A. Acetic acid
B. Butyric acid
C. Palmitic acid
D. All have same
A. H bonds
B. Disulphide Bond
C. Ionic bond
D. Hydrophobic bonds
A. Brain
B. Spinal cord
C. Both of these
D. none of these
A. Cytoplasm
B. Cell membrane
C. Chloroplasts
D. Vacuole
A. 0.02-0.03
B. 0.03-0.04
C. 0.04-0.05
D. 0.05-0.06
A. 100 S
B. 90 S
C. 80 S
D. 70 S
A. Diplaneis
B. Coscinodiscus
C. Camphyloneiscus
D. Stephanodis