Ibdp Biology Sl Specimen Exam Paper
N08/4/BIOLO/SPM/ENG/TZ0/XX+
88086004
Biology Standard level PaPer 1 Monday 17 November 2008 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES
• • •
Do not open this examination paper until instructed to do so. Answer all the questions. For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided.
8808-6004
13 pages © International Baccalaureate Organization 2008
–– 1. Which of the following characterizes tissues? A. B. C. D. A group of cells that develop independently. A group of organs that have the same function. A group of cells that have the same function. A group of organs that have the same structure.
N08/4/BIOLO/SPM/ENG/TZ0/XX+
2.
Which of the following explains how brain cells develop to carry out their functions? A. B. C. D. The cells have interacted to become brain cells. The cells have evolved that way. Some genes are expressed while other genes are not. All genes are expressed in the brain cells.
3.
The following is a diagram of a prokaryote. I. II. III. IV.
Which two structures are required for protein synthesis in this cell? A. B. C. D.
8808-6004
III and IV II and IV II and III I and II
}
–– 4. What is necessary for osmosis to occur? A. B. C. D. A membrane protein A partially permeable membrane A source of energy A cell wall
N08/4/BIOLO/SPM/ENG/TZ0/XX+
5.
In a cell the nuclear membrane has broken down and spindle microtubules from both poles are attached to each centromere of chromosomes aligned on the equator. Which phase of mitosis does this describe? A. B. C. D. Prophase Anaphase Metaphase Telophase
6.
Which of the following contain the element phosphorus? A. B. C. D. Amino acids Viruses Ribose Deoxyribose
8808-6004
Turn over
–4– 7. Which diagram correctly illustrates a glucose molecule? A. H C OH CHOH C H OH C H C.
H N H C H
N08/4/BIOLO/SPM/ENG/TZ0/XX+
B. O H C OH
O C H N H C H C OH
CHOH C H H C OH
O
88086004
Biology Standard level PaPer 1 Monday 17 November 2008 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES
• • •
Do not open this examination paper until instructed to do so. Answer all the questions. For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided.
8808-6004
13 pages © International Baccalaureate Organization 2008
–– 1. Which of the following characterizes tissues? A. B. C. D. A group of cells that develop independently. A group of organs that have the same function. A group of cells that have the same function. A group of organs that have the same structure.
N08/4/BIOLO/SPM/ENG/TZ0/XX+
2.
Which of the following explains how brain cells develop to carry out their functions? A. B. C. D. The cells have interacted to become brain cells. The cells have evolved that way. Some genes are expressed while other genes are not. All genes are expressed in the brain cells.
3.
The following is a diagram of a prokaryote. I. II. III. IV.
Which two structures are required for protein synthesis in this cell? A. B. C. D.
8808-6004
III and IV II and IV II and III I and II
}
–– 4. What is necessary for osmosis to occur? A. B. C. D. A membrane protein A partially permeable membrane A source of energy A cell wall
N08/4/BIOLO/SPM/ENG/TZ0/XX+
5.
In a cell the nuclear membrane has broken down and spindle microtubules from both poles are attached to each centromere of chromosomes aligned on the equator. Which phase of mitosis does this describe? A. B. C. D. Prophase Anaphase Metaphase Telophase
6.
Which of the following contain the element phosphorus? A. B. C. D. Amino acids Viruses Ribose Deoxyribose
8808-6004
Turn over
–4– 7. Which diagram correctly illustrates a glucose molecule? A. H C OH CHOH C H OH C H C.
H N H C H
N08/4/BIOLO/SPM/ENG/TZ0/XX+
B. O H C OH
O C H N H C H C OH
CHOH C H H C OH
O