| Date | November 2009 | Marks available | 1 | Reference code | 09N.1.HL.TZ0.40 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 40 | Adapted from | N/A |
Question
The diagram below shows a human egg.
What are the structures labelled I, II and III?
Markscheme
D
Examiners report
[N/A]
Syllabus sections
Show 57 related questions
- 17N.1.HL.TZ0.40: The diagram shows the female reproductive system. [Source: © International Baccalaureate...
- 17N.3.HL.TZ0.02a: Concerns have been raised about the effect of rising pollution levels on sperm production in...
- 17N.2.HL.TZ0.06b: Cell biologists play an important role in research into disease, fertility, evolution and...
- 17M.2.HL.TZ2.7b: Describe the different cell types in the seminiferous tubules that are involved in the...
- 17M.1.HL.TZ2.40: What helps to prevent polyspermy? A. The unequal division of oocytes B. The placental...
- 17M.1.HL.TZ2.39: What does the blastocyst secrete? A. HCG B. Estrogen C. ADH D. Progesterone
- 17M.1.HL.TZ1.40: The diagram shows the exchange processes that take place in the placenta between the maternal...
- 17M.1.HL.TZ1.38: Which hormone is inhibited during pregnancy in order to prevent contractions of the...
- 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
- 16N.1.HL.TZ0.40: Where does the acrosome reaction occur?
- 16M.1.HL.TZ0.40: The image shows a section of a seminiferous tubule. What is shown by the letter X? A....
- 15M.1.HL.TZ1.39: What is the function of the epididymis in the male reproduction system?A. To stimulate sperm...
- 15M.1.HL.TZ1.40: From where is human chorionic gonadotropin (HCG) secreted in early pregnancy?A. EmbryoB....
- 15M.1.SL.TZ2.26: The image shows the male reproduction system. Where is prostate cancer likely to start...
- 15M.2.HL.TZ2.5c: Accurate transmission of base sequences to offspring depends on successful gamete production....
- 15M.2.SL.TZ1.6a: Draw a labelled diagram of the human adult male reproductive system.
- 15M.3.SL.TZ2.7d: Non-mitochondrial oxygen consumption does not produce ATP and decreases in relation to...
- 15M.3.SL.TZ2.7c: Suggest reasons for the rise in mitochondrial respiration in the 48 hours after fertilization.
- 15M.3.SL.TZ2.7b: Compare OCR due to non-mitochondrial oxygen consumption and mitochondrial respiration after...
- 15M.1.HL.TZ2.31: The image shows the male reproduction system. Where is prostate cancer likely to start...
- 15M.1.HL.TZ2.40: Which event takes place during normal fertilization? A. The acrosome fuses with the egg...
- 15M.2.HL.TZ1.4a: Draw a labelled diagram of the human adult male reproductive system.
- 15M.2.HL.TZ1.4b: Compare the processes of spermatogenesis and oogenesis
- 15N.1.HL.TZ0.40: Through what process does a spermatid become a functioning spermatozoan? A. Mitosis B....
- 15N.2.HL.TZ0.5a: Draw a labelled diagram of a mature human egg.
- 13M.2.HL.TZ2.8c: In the placenta, many substances are transported across membranes. Explain the structure and...
- 13M.1.HL.TZ1.40: What is the role of HCG (human chorionic gonadotrophin) in early pregnancy? A. It stimulates...
- 13M.1.HL.TZ2.40: Where is human chorionic gonadotrophin (HCG) produced? A. OvaryB. Anterior pituitaryC....
- 13N.1.HL.TZ0.39: What is the correct order of events in fertilization?A. fusion of gametes, acrosome reaction...
- 13N.1.HL.TZ0.40: What is secreted after implantation of the blastocyst in the uterine wall?A. Estrogen which...
- 11M.1.HL.TZ1.40: Which of these statements about the human placenta is incorrect? A. The placenta is the site...
- 11M.2.HL.TZ2.8b: Outline the role of hormones in the process of birth in humans
- 12M.2.HL.TZ1.4b (i): Identify the cell labelled X.
- 12M.2.HL.TZ1.4b (ii): Outline the function of this cell.
- 12M.2.HL.TZ2.7b: Compare the processes of spermatogenesis and oogenesis.
- 12M.1.HL.TZ2.40: Which is the correct sequence of stages in fertilization?
- 12M.1.HL.TZ1.40: What is a blastocyst? A. An unfertilized egg surrounded by follicle cells B. An unfertilized...
- 12M.1.HL.TZ2.39: The micrograph shows the structure of a testis undergoing spermatogenesis. What is the...
- 09M.2.HL.TZ1.5b: Outline the processes involved in oogenesis within the human ovary.
- 09M.2.HL.TZ2.5c: Explain the function and structure of the placenta.
- 09M.1.HL.TZ1.39: What is the role of testosterone in spermatogenesis? A. It stimulates interstitial cells. B....
- 09M.1.HL.TZ1.40: What is the role of HCG in early pregnancy? A. HCG stimulates FSH secretions. B. HCG...
- 10M.2.HL.TZ2.7a: Draw a labelled diagram of a mature sperm.
- 10M.1.HL.TZ1.39: What are the roles of the following structures in the production of semen?
- 10M.1.HL.TZ2.40: Which pair of statements best describes oogenesis and spermatogenesis?
- 10M.1.HL.TZ1.40: What is the role of HCG in early pregnancy? A. It prevents the degeneration of the corpus...
- 11N.2.HL.TZ0.6 a: Describe the production of semen.
- 11N.2.HL.TZ0.6 b: Explain the structure and function of the placenta.
- 11N.1.HL.TZ0.33: What happens immediately after the penetration of the egg membrane by a sperm during...
- 11N.1.HL.TZ0.34: Which hormone increases in concentration in the mother’s blood during early pregnancy? A....
- 12N.2.HL.TZ0.8a: Describe the process of fertilization in humans.
- 12N.2.HL.TZ0.8b: Explain how the structure and function of the placenta helps to maintain pregnancy.
- 12N.2.HL.TZ0.8c: Outline the hormonal control of the process of birth.
- 12N.1.HL.TZ0.40: What is a difference between spermatogenesis and oogenesis?
- 10N.2.HL.TZ0.5a: Draw a labelled diagram of a mature sperm cell.
- 09N.2.HL.TZ0.6b: Outline the process of spermatogenesis in humans.
- 09N.2.HL.TZ0.6c: Explain the structure and function of the placenta during pregnancy.
