1. What is the final output of
photosynthesis? *

A. light energy
B. water
C. glucose
D. carbon dioxide

2. What energy is needed by
photosynthetic organisms during the process of photosynthesis? *

A. light energy
B. mechanical energy
C. electrical energy
D. chemical energy

3. Which is an example of a Y-linked trait?

A. hairy ears
B. baldness
C. hemophilia
D. color blindness

4. A red cow is crossed with a white cow and produces an offspring that is a roan cow. What is a roan cow?

A. A cow with red hair and white blotches.
B. A purebred red cow.
C. A purebred white cow.
D. A pink cow.

5. Mating of two organisms produces a ratio of 3:1in the phenotypes of their offspring. The parental genotypes are:


A. AA and AA
B. AA and aa
C. Aa and aa
D. Aa and Aa