531. The food of hydra consists of___________?
A. Humus
B. Detritus
C. Dead microscopic animals
D. Small crustaceans

532. Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?
A. Globular proteins
B. Fibrous Proteins
C. Both a and b
D. None of these

533. If a plasmolysed plant cell is placed in water the cell will___________?
A. Burst
B. Be Killed
C. Be deplasmolysed
D. Show no change in it

534. ATP is a an important molecule for its major function___________?
A. As an energy currency of the cell
B. As a coenzyme
C. Both a and b
D. None of these

535. The first organism of whose genome was completely discovered was____________?
A. Human beings
B. Influenza Virus
C. Hemophilus Influenza
D. None of these

536. All of the following veins carry deoxygenated blood except
A. Superior vena cava
B. Inferior vena cava
C. Hepatic vein
D. Pulmonary vein

537. Animals fats are ______________ atroom temperature?
A. Liquids
B. Gases
C. Solids
D. None of these

538. Sebum produced from sebaceous glands in a mammal helps in___________?
A. Protection against micro organisms
B. Temperature regulation
C. Excretion
D. All of these

539. Which one is not found in fatty acids in acylglycerols____________?
A. C-6
B. C-25
C. C-26
D. C-30

540. The one that stores calcium is __________?
A. Sarcolemma
B. Sarcoplasm
C. Sarcoplasmic reticulum
D. Cytosol