Biology 3rd C.A. for SS 2
  • 1. 1. One of the following secretes synovial fluid which acts as a shock absorber.
A) Synovial cavity
B) Cartilage
C) Synovial tissue
D) Synovial membrane
  • 2. 2. -------------- joint allows movement in almost all directions.
A) Ball and socket
B) Pivot
C) Gliding
D) Hinge
  • 3. 3. Muscles are attached to bones by means of strong whitish cord called ----------
A) Cartilage
B) Ligament
C) Tendons
D) Tonsil
  • 4. 4. Muscles have two points of attachments which are ------- and ---------
A) Voluntary and involuntary
B) Bicep and tricep
C) Insertion and origin
D) Ball and socket
  • 5. 5. The feeding mechanism in housefly is known as --------
A) Biting and chewing
B) Trapping and absorbing
C) Lapping and sponging
D) Sucking
  • 6. 6. One of the following is not a sucking mouth part of animals exhibiting a sucking mechanism
A) Stylet
B) Labella
C) Probosics
D) Scolex
  • 7. 7. The following are media of transportation in mammals except ---------.
A) Cytoplasm
B) Colloidal solution
C) Body fluid
D) Lymph
E) Blood
  • 8. 8. In unicellular organisms, substances can move to all parts of the body by diffusion because of the following except -------
A) Surface area to volume ratio is large
B) Surface area to volume ratio is small
C) Materials have to move over short distances.
D) The body is small in size
  • 9. 9. The following are constituents of the plasma except --------
A) Lymphatic vessels
B) Hormones
C) Excretory products
D) Antibodies and Blood proteins
  • 10. 10. One of the following antibodies causes microorganisms to stick together in the body and reduce their pathogenic actions.
A) Antitoxins
B) Precipitins
C) Agglutinins
D) Lysin
  • 11. 11. ---------- converts the fibrinogen which exists normally in a colloidal state in the blood plasma to fibrin
A) Thrombin
B) Thrombokinase
C) Prothrombin
D) Fibrinogenase
  • 12. 12. All but one of the following are what make up the mammalian circulatory system.
A) Capillaries
B) Arteries
C) Veins
D) Villi
E) Heart
  • 13. 13. -------- is the valve which lies between the left auricle and the left ventricle
A) Chordea valve
B) Septum valve
C) Biscupid valve
D) Triscupid
  • 14. 14. -------- is the valve which lies between the right auricle and the right ventricle
A) Systole valve
B) Chordae valve
C) Triscupid valve
D) Biscupid valve
  • 15. 15. ----------- release a substance thrombokinase in the presence of calcium ion to convert an inert chemical substance in plasma into active thrombin.
A) Leucocytes
B) Platelets
C) Antibodies
D) Erythrocytes
  • 16. 16. The following are the characteristics of leucocytes except -------
A) Nucleated
B) Colourless
C) Amoeboid in shape
D) Concave and circular
  • 17. 17. One of the following is not peculiar to the red blood cell
A) Circular and concave
B) Colourless when seen singly
C) Microscopic
D) Old ones are destroyed in the liver
  • 18. 18. The following are parts of the chewing and biting mouth parts except ---------
A) Labium
B) Mandibles
C) Labrum
D) Probosics
E) Maxillae
  • 19. 19. Pulmonary artery is the blood vessel connected to -------------.
A) Left auricle
B) Right auricle
C) Right ventricle
D) Left ventricle
  • 20. 20. All the following are characteristics of the veins except ___.
A) Carries blood towards the heart
B) Posses thick elastic wall
C) Posses valves.
D) Carries blood under low pressure
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