Respiration in organisms Worksheet-7
Multiple-Choice Questions:
(a) It houses the vocal cords
(b) It is an organ made of cartilage and connects the pharynx to the trachea
(c) It prevents foreign objects from entering the trachea
(d) All of them are correct
(a) external, cellular (b) cellular, internal
(c) internal, external (d) cellular, external
(a) Respiration (b) Breathing (c) Both of these
(a) physical, chemical (b) chemical, chemical
(c) chemical, physical (d) physical, physical
(a) Unicellular aquatic organisms
(b) Multicellular terrestrial organisms
(c) Unicellular terrestrial organisms
(d) Multicellular amphibians
(a) They breathe through skin (b) They breathe through air holes
(c) They breathe through gills (d) They breathe through lungs
(a) Thoracic spiracles
(b) Abdominal spiracles
(c) Wings of a cockroach
(a) Insect (b) Amphibian (c) Mammal (d) Reptile
(a) Open circulatory system (b) Closed circulatory system
(c) Double circulatory system (d) Single circulatory system
(a) They have gills, a heart, and an open circulatory system, one which is moved around the internal organs by a heart.
(b) They have gills, a heart, and a partially opened circulatory system, one which is moved around the external organs.
(c) They have gills, a heart, and a closed circulatory system, one in which blood is transported in vessels by the pumping action of the heart.
Answer Key: