JOINT UNIVERSITIES PRELIMINARY EXAMINATIONS BOARD
SEPTEMBER 2021 EXAMINATIONS
BIOLOGY Time Allowed: 3 hours
SECTION A: MULTIPLE CHOICE QUESTIONS
Answer all questions in this section.
Use the OMR answer sheet provided to answer the questions.
Follow the instructions on the OMR sheet.
SECTION B: ESSAY QUESTIONS
Answer FOUR questions; ONE question from each course.
Ensure you read and follow all the Instructions on the cover page of the Answer Booklet.
JSC 604 Turn Over
1
, SECTION A: MULTIPLE CHOICE QUESTIONS.
Answer ALL Questions.
1. The process of a white blood cell engulfing a bacterium is known as
A. endocytosis.
B. exocytosis.
C. osmosis.
D. diffusion.
2. Each of the following is a water plant EXCEPT
A. Hycinth.
B. Lilly.
C. Cactus.
D. Letuce.
3. In plants cells, the chloroplast are located
A. inside the cell wall.
B. outside the protoplasm.
C. within the vacuole.
D. within the cytoplasm.
4. The ability of the cockroach to live in cracks and crevices is enhanced by the possession
of
A. wings and segmented body.
B. compound eyes.
C. claws on the legs.
D. dorso-ventrally flattened body.
5. The function of the scrotum is to
A. keep the temperature of the testes equal to that of the rest of the body.
B. keep the temperature of the testes slightly lower than that of the rest of the body.
C. keep the temperature of the testes slightly higher than that of the rest of the body.
D. keep the temperature of the testes at a constant 45°C.
6. RNA viruses require their own supply of certain enzymes because
A. the viruses are rapidly destroyed by host cell defenses.
2
SEPTEMBER 2021 EXAMINATIONS
BIOLOGY Time Allowed: 3 hours
SECTION A: MULTIPLE CHOICE QUESTIONS
Answer all questions in this section.
Use the OMR answer sheet provided to answer the questions.
Follow the instructions on the OMR sheet.
SECTION B: ESSAY QUESTIONS
Answer FOUR questions; ONE question from each course.
Ensure you read and follow all the Instructions on the cover page of the Answer Booklet.
JSC 604 Turn Over
1
, SECTION A: MULTIPLE CHOICE QUESTIONS.
Answer ALL Questions.
1. The process of a white blood cell engulfing a bacterium is known as
A. endocytosis.
B. exocytosis.
C. osmosis.
D. diffusion.
2. Each of the following is a water plant EXCEPT
A. Hycinth.
B. Lilly.
C. Cactus.
D. Letuce.
3. In plants cells, the chloroplast are located
A. inside the cell wall.
B. outside the protoplasm.
C. within the vacuole.
D. within the cytoplasm.
4. The ability of the cockroach to live in cracks and crevices is enhanced by the possession
of
A. wings and segmented body.
B. compound eyes.
C. claws on the legs.
D. dorso-ventrally flattened body.
5. The function of the scrotum is to
A. keep the temperature of the testes equal to that of the rest of the body.
B. keep the temperature of the testes slightly lower than that of the rest of the body.
C. keep the temperature of the testes slightly higher than that of the rest of the body.
D. keep the temperature of the testes at a constant 45°C.
6. RNA viruses require their own supply of certain enzymes because
A. the viruses are rapidly destroyed by host cell defenses.
2
