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Biology Grade 11 Unit 5: The human body systems

national exam questions have come from this unit. It runs 57 pages; one careful study pass takes about 3.7 hours, and its difficulty is moderate among Biology units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.

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5.1 Human Musculoskeletal Systems · read p. 175
Not asked in a national paper yet.
5.1.1 Types of muscles · read p. 176
Not asked in a national paper yet.
5.1.2 Mechanism of actions of skeletal muscles · read p. 179
Not asked in a national paper yet.
5.1.3 The human axial and appendicular skeletons · read p. 181
Not asked in a national paper yet.
5.1.4 Joints · read p. 184
Not asked in a national paper yet.
5.2 The reproductive system · read p. 186
Not asked in a national paper yet.
5.2.1 Human reproductive system (Male and Female) · read p. 186
Not asked in a national paper yet.
5.2.2 Gametogenesis · read p. 190
  • 2017 E.C., Q40 – If progesterone remains high after ovulation, what will be the most likely outcome?
  • 2015 E.C., Q80 – When does menstruation start in women with no obvious reproductive a health problem? It happens when
  • 2014 E.C., Q76 – Breakdown of the thick spongy wall of the uterus at the end of the menstrual cycle is associated with the
5.2.3 Fertilization and pregnancy · read p. 197
Not asked in a national paper yet.
5.2.4 Mechanism of action of contraceptives · read p. 198
  • 2018 E.C., Q20 – Which of the following contraceptive methods is considered to be 99% effective at preventing pregnancy and does not require daily action from the user?
  • 2017 E.C., Q42 – The most reliable contraceptive method that prevents travelling of ovum from the ovaries through the fallopian tubes, but requires surgery is
  • 2017 E.C., Q48 – Two women were decided not to have pregnancy in the near future and they were offered two different contraceptive options. In woman I, the material fitted in her uterus did not allow the sperm to fertilize the egg. In wo
5.2.5 Causes of infertility in humans · read p. 203
Not asked in a national paper yet.
5.2.6 The major sexually transmitted infections (STIs) in Ethiopia · read p. 206
  • 2018 E.C., Q14 – What is the primary reason why chancroid is particularly concerning in regions with high HIV/AIDS rates?
  • 2017 E.C., Q45 – Among the following, which one increases the risk to be infected by sexually transmitted infections
  • 2017 E.C., Q54 – Sleeping sickness is transmitted by
  • 2017 E.C., Q53 – How drinking alcohol can contribute for HIV transmission? By
  • 2015 E.C., Q86 – Which one of the following diseases is correctly explained with its causes or symptoms?
  • 2014 E.C., Q77 – The first incubation period of HIV is characterized by a duration of
  • 2014 E.C., Q8 – Which one of the following diseases increases the likelihood of contracting HIV?
  • 2014 E.C., Q21 – Which of the following diseases is caused by a DNA virus?
  • 2011 E.C., Q27 – Which clinical test is routinely performed to diagnose patients for AIDS?
  • 2008 E.C., Q8 – Which of the following types of cancer is known to mostly develop in AIDS patients?
  • 2008 E.C., Q80 – In what way would AIDS patients benefit from the treatment with anti-retroviral drugs?
  • 2008 E.C., Q53 – Which of the following diseases is correctly matched with its causative agent?
  • 2006 E.C., Q90 – What is the difference between HIV and AIDS?
  • 2005 E.C., Q68 – What is the advantage of using HAART (highly active antiretroviral therapy ) for the treatment of HIV
5.2.8 Epidemiology of STIs in Ethiopia · read p. 214
Not asked in a national paper yet.
5.3 Harmful traditional practices · read p. 216
Not asked in a national paper yet.
5.3.1 Harmful traditional practices · read p. 216
  • 2017 E.C., Q52 – The finding of the study conducted in two different villages showed that there are harmful practices that affect reproductive health. The common practices in village 1 were forcing underage girls to get married based nor
5.4 Family planning · read p. 217
Not asked in a national paper yet.
5.4.1 Risks related to the lack of family planning · read p. 217
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5.4.2 Family planning actions · read p. 218
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5.4.3 Family planning services · read p. 218
Not asked in a national paper yet.
5.5 Effects of alcohol use, chewing Khat, cannabis and other drug uses on STIs transmission and unwanted pregnancy · read p. 218
Not asked in a national paper yet.
5.5.1 The effects of alcohol uses · read p. 218
Not asked in a national paper yet.
5.5.2 Effects of chewing Khat · read p. 220
Not asked in a national paper yet.
5.5.3 Effects of drug uses · read p. 221
Not asked in a national paper yet.