BIOL 1410 EXAM QUESTIONS AND
ANSWERS | LATEST VERSION |
2024/2025 | ALREADY PASSED
Which of the following best describes the function of a plant's xylem tissue?
A) Transport of nutrients
B) Photosynthesis
C) Transport of water and minerals
D) Gas exchange
✔✔ C) Transport of water and minerals
What is the result of nondisjunction during meiosis?
A) Increased production of gametes
B) Proper alignment of chromosomes
C) An abnormal number of chromosomes in the offspring
D) Normal cell division
✔✔ C) An abnormal number of chromosomes in the offspring
Which organelle is involved in detoxifying harmful substances in liver cells?
1
,A) Rough ER
B) Mitochondria
C) Peroxisomes
D) Golgi apparatus
✔✔ C) Peroxisomes
What is the role of restriction enzymes in molecular biology?
A) To replicate DNA
B) To bind mRNA
C) To cut DNA at specific sequences
D) To transcribe genes
✔✔ C) To cut DNA at specific sequences
Which part of the human brain is primarily involved in processing visual information?
A) Temporal lobe
B) Frontal lobe
C) Parietal lobe
D) Occipital lobe
2
,✔✔ D) Occipital lobe
In which part of the plant does the Calvin cycle occur?
A) Mitochondria
B) Thylakoid membrane
C) Cytoplasm
D) Stroma of the chloroplast
✔✔ D) Stroma of the chloroplast
What type of RNA is directly involved in the process of translation?
A) mRNA
B) tRNA
C) rRNA
D) All of the above
✔✔ D) All of the above
Which mechanism is responsible for genetic variation during sexual reproduction?
A) Independent assortment of chromosomes
3
, B) DNA replication
C) Mitotic division
D) Binary fission
✔✔ A) Independent assortment of chromosomes
How does the sodium-potassium pump contribute to the resting membrane potential of a neuron?
A) It moves sodium ions into the cell and potassium ions out
B) It creates an even distribution of ions
C) It moves sodium out and potassium into the cell, maintaining a negative internal charge
D) It blocks ion channels
✔✔ C) It moves sodium out and potassium into the cell, maintaining a negative internal charge
What is the primary function of helper T cells in the immune response?
A) To produce antibodies
B) To stimulate B cells and other immune cells
C) To attack and kill infected cells directly
D) To produce histamines
✔✔ B) To stimulate B cells and other immune cells
4
ANSWERS | LATEST VERSION |
2024/2025 | ALREADY PASSED
Which of the following best describes the function of a plant's xylem tissue?
A) Transport of nutrients
B) Photosynthesis
C) Transport of water and minerals
D) Gas exchange
✔✔ C) Transport of water and minerals
What is the result of nondisjunction during meiosis?
A) Increased production of gametes
B) Proper alignment of chromosomes
C) An abnormal number of chromosomes in the offspring
D) Normal cell division
✔✔ C) An abnormal number of chromosomes in the offspring
Which organelle is involved in detoxifying harmful substances in liver cells?
1
,A) Rough ER
B) Mitochondria
C) Peroxisomes
D) Golgi apparatus
✔✔ C) Peroxisomes
What is the role of restriction enzymes in molecular biology?
A) To replicate DNA
B) To bind mRNA
C) To cut DNA at specific sequences
D) To transcribe genes
✔✔ C) To cut DNA at specific sequences
Which part of the human brain is primarily involved in processing visual information?
A) Temporal lobe
B) Frontal lobe
C) Parietal lobe
D) Occipital lobe
2
,✔✔ D) Occipital lobe
In which part of the plant does the Calvin cycle occur?
A) Mitochondria
B) Thylakoid membrane
C) Cytoplasm
D) Stroma of the chloroplast
✔✔ D) Stroma of the chloroplast
What type of RNA is directly involved in the process of translation?
A) mRNA
B) tRNA
C) rRNA
D) All of the above
✔✔ D) All of the above
Which mechanism is responsible for genetic variation during sexual reproduction?
A) Independent assortment of chromosomes
3
, B) DNA replication
C) Mitotic division
D) Binary fission
✔✔ A) Independent assortment of chromosomes
How does the sodium-potassium pump contribute to the resting membrane potential of a neuron?
A) It moves sodium ions into the cell and potassium ions out
B) It creates an even distribution of ions
C) It moves sodium out and potassium into the cell, maintaining a negative internal charge
D) It blocks ion channels
✔✔ C) It moves sodium out and potassium into the cell, maintaining a negative internal charge
What is the primary function of helper T cells in the immune response?
A) To produce antibodies
B) To stimulate B cells and other immune cells
C) To attack and kill infected cells directly
D) To produce histamines
✔✔ B) To stimulate B cells and other immune cells
4
