Rods and cones are located in the
a. lens.
b. cornea.
c. pupil.
d. iris.
e. retina.
E
Biology & Microbiology
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Reptiles are very efficient in conserving water during excretion
Indicate whether the statement is true or false
Biology & Microbiology
From the outside of a tree to its center, which of the following is the correct order of appearance?
1. periderm 2. vascular cambium 3. sapwood 4. secondary phloem 5. cork cambium 6. heartwood
a. 1-2-4-5-6-3 b. 1-5-4-2-3-6 c. 1-4-5-2-6-3 d. 1-3-2-5-4-6 e. 1-2-4-5-3-6
Biology & Microbiology
The letter “B” in the above figure represents
a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle
Biology & Microbiology
An organism to which oxygen is toxic is an obligate anaerobe.
a. true b. false
Biology & Microbiology