Subject SAT (College Board) Biology: Questions 161 - 164 of 824
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Question number: 161
Question
Which of the following statements is true about mutations?
Choices
| Choice (5) | Response | |
|---|---|---|
a. | Irreversible AND Rates tend to be very high in most populations. | |
b. | Generally lethal | |
c. | Only certain gene locations are affected. | |
d. | Source of genetic variation | |
e. | All a. , b. , c. and d. are correct | |
Question number: 162
» Cell
Question
Which of the following statement/s regarding coelenterates is/are wrong?
Cnidocytes are present on the tentacles and on the body
Diploblastic with cellular level of organization
Polyps produce medusa sexually and medusa form polyps asexually
Polyp form-s are free living
Choices
| Choice (5) | Response | |
|---|---|---|
a. | 1,2 and 3 | |
b. | 2 and 3 only | |
c. | 1 and 2 only | |
d. | 2,3 and 4 | |
e. | Question does not provide sufficient data or is vague | |
Question number: 163
Question
Identify the following organelle and choose the correct option
Identify the Following Organelle
Choices
| Choice (5) | Response | |
|---|---|---|
a. | A- Matrix, B- Thylakoid | |
b. | A- Matrix, B- Granum | |
c. | A- Cytoplasm, B- Thylakoid | |
d. | A- Stroma, B- Granum | |
e. | None of the above | |
Question number: 164
Question
Trisomy in humans is the result of
Choices
| Choice (5) | Response | |
|---|---|---|
a. | x-inactivation. | |
b. | Nondisjunction. | |
c. | Polygenic inheritance. | |
d. | Epistasis. | |
e. | Pleiotropy. | |