Body fluids and circulation

 1. A drop of each of the following, is placed separately on four sides. Which of them will not coagulate ?

A. Whole blood from pulmonary vein

B. Blood plasma

C. Blood serum

D. Sample from the thoracic duct of lymphatic system

Answer: C

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2. In humans, blood passes from the post caval to the diastomic right atrium of heat due to

A. stimulation of the sino auricular node

B. pressure difference between the post caval and atrium

C. pushing open of the venous valves

D. suction pull

Answer: D

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3. In cockroach, the dorsal chamber of

hemocoel is called

A. A pericardial sinus

B. perivisceral sinus

C. Perineural sinus

D. peritoneal sinus

Answer: A

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4. A pair of triangular muscles in each segment, present on the either side of a

cockrroach heart, is of

A. Alary muscles

B. Tergosternal muscles

C. intercostal muscles

D. Phrenic muscles

Answer: A

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5. Which is not a function of blood in cockroach?

A. Transport of nutrients

B. Transport of gases

C. Reservoir of water

D. Main hydrostatic pressure

Answer: B

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6. In cockroach, the anterior end of heart opens into

A. Pericardia sinus

B. Perivisceral sinus

C. Perineural sinus

D. Head sinus

Answer: D

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7. Single type of circulation of blood is found

in

A. Fish

B. Frog

C. Man

D. Lizard

Answer: A

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8. Fishes have venous heart. The heart receives deoxygen-ated blood from all over the body except

A. Fins

B. Hindlimbs

C. Gills

D. Forelimbs

Answer: C

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9. Find the odd one out.

A. Prawn and insects

B. Frog and snails

C. Snails and mussels

D. Prawn and mussels

Answer: B

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10. Blood is red but no RBCs are found in

A. Frog

B. Rabbit

C. Man

D. earthworm

Answer: D

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