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Biology Grade 11 Unit 2: Animals

national exam questions have come from this unit. It runs 53 pages; one careful study pass takes about 4.3 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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2.1 Characteristics of animals · read p. 21
Not asked in a national paper yet.
2.2 Invertebrates and Vertebrates · read p. 23
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2.2.1 Invertebrate Animals · read p. 24
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2.2.2 Vertebrate Animals · read p. 24
  • 2017 E.C., Q30 – A grade 11 student observed and identified some animals group having closed circulatory system, centralized nervous system with brain and sensory organs. Based on their identification select one of the following animals
2.3 Reproduction in Animals · read p. 24
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2.3.1 Asexual reproduction in animals · read p. 24
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2.3.2 Sexual reproduction in animals · read p. 24
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2.3.3 Reproduction in insects (complete and incomplete metamorphosis) · read p. 24
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2.3.4 Reproduction in Frog · read p. 24
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2.3.5 Reproduction in Crocodiles · read p. 32
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2.3.6 Reproduction in Birds · read p. 34
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2.3.7 Reproduction in rat · read p. 39
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2.4 The economic importance of animals (insects) · read p. 42
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2.4.1 Beneficial aspects of insects · read p. 43
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2.4.2 Harmful aspects of insects · read p. 43
  • 2006 E.C., Q30 – Which of the following group of animals have males with ZZ and females with ZW sex chromosome constitution?
2.5 Animal Behavior · read p. 48
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2.5.1 Types of Animal Behavior · read p. 48
  • 2018 E.C., Q16 – What is a conditioned reflex action?
  • 2015 E.C., Q35 – Which one of the following is an example of in-sight learning?
  • 2015 E.C., Q27 – Which one of the following is an example of a learned behaviour?
  • 2015 E.C., Q33 – All of the following are examples of innate behaviours EXCEPT
  • 2014 E.C., Q52 – Instinctive behavior
  • 2014 E.C., Q53 – Which one of the following statements is an example of latent learning?
  • 2014 E.C., Q55 – Consider the following statements. I. Genetically determined and common to all members of a species. II. The behavior may be modified by new experiences. III. Behavior is fully functional at the first attempt. IV. Genera
  • 2013 E.C., Q26 – The behavior which trainers look, if modified, could lead to the desired behavior and reward such a behavior is
  • 2013 E.C., Q5 – Identify learned behavior from the following.
  • 2013 E.C., Q3 – The quick withdrawal of your hand from a hot plate is an example of
  • 2013 E.C., Q28 – A police man trained a dog on how to find explosive materials through sniffing, on another instant the same police man observed a week old puppy following him on the roadside. Which one of the following is correct about
  • 2013 E.C., Q27 – Which one of the following examples of behavior describes when an animal stops responding to stimulus or cue after a period of repeated exposure?
  • 2013 E.C., Q2 – Which one of the following can best explain behavior? It is
  • 2011 E.C., Q19 – The daily cycle of activity that occurs over a 24-hour period of time is called a:
  • 2011 E.C., Q47 – Which animal behaviour pattern is best illustrated by the famous Pavlov's dog?
  • 2011 E.C., Q32 – One of the following is true about a behavior that has a fixe daction pattern.
  • 2011 E.C., Q64 – "Skinner box" is used for experiments in:
  • 2011 E.C., Q94 – One of the following is NOT true about operant conditioning.
  • 2011 E.C., Q33 – If a chimpanzee piles up boxes and climbs on it to reach a bunch of banana hanging from a ceiling, which behavior is manifested?
  • 2011 E.C., Q11 – Of the following patterns of innate behaviour in animals, which one is considered the simplest?
  • 2011 E.C., Q31 – What is the behavior that an animal learns to ignore a trivial stimulus that is repeated many times?
  • 2010 E.C., Q82 – A small girl who had observed her mother making a telephone call one day made a call on her own. Which learning behavior dose this exemplify?
  • 2010 E.C., Q39 – In which of the following ways dose learned behavior differ from innate behavior?
  • 2010 E.C., Q66 – Which of the following statement about instinctive actions is NOT true?
  • 2010 E.C., Q12 – In which of the following is there a MISMATCH between the type of innate behavior and the resulting action/response?
  • 2009 E.C., Q77 – Which of the following is NOT a learned behavior?
  • 2009 E.C., Q94 – Which of the following is NOT grouped under genetically pre-programmed pattern of behavior?
  • 2009 E.C., Q92 – Which of the following statements can be considered as the better definition of the biological concept of behavior?
  • 2009 E.C., Q20 – Which type of animal behavior happens with out learning?
  • 2009 E.C., Q93 – To which category of behavior does the human behavior that involves the strengthening of existing responses or the formation of new responses to existing stimuli that occur because of practice or repetition belong?
  • 2008 E.C., Q91 – which of the following is a learned behaviour?
  • 2008 E.C., Q63 – If someone suddenly removes his/her hand from a very hot object, which of the following types of behavior is manifested?
  • 2008 E.C., Q49 – Which of the following is NOT true about innate behaviours?
  • 2007 E.C., Q87 – In Pavlov's experiment on the classical conditioning of doges ,what does the reaction of the dogs to the sound of the bell represent?
  • 2007 E.C., Q34 – Which of the following is NOT true about instinctive behaviour?
  • 2007 E.C., Q16 – Baby ostriches tend to follow the first moving object that they see as they hatch out of the eggs. What kind of animal behaviour does this demonstrate?
  • 2007 E.C., Q41 – Suppose when you first enter a room you notice an unpleasant smell which you eventually forget about its presence, what is this behaviour called?
  • 2007 E.C., Q6 – Which of the following behavioral biologists is known for his study about imprinting behavior in animals?
  • 2007 E.C., Q85 – Which one of the following is an example of an orientational innate behaviour?
  • 2006 E.C., Q7 – An experimental animal stopped responding to a stimulus that has been repeated so many times .What type of learned behavior is this ?
  • 2005 E.C., Q18 – Which of the following is NOT classified as a learned behavior?
  • 2005 E.C., Q38 – What do we call the learned behavior if a mouse that had just escaped from the mouth of a cat jumped violemy at a slight touch by a trivial object?
  • 2005 E.C., Q88 – To what kind of animal behavior can the spinning of a web by a spider be classified?
2.5.2 Patterns of Behavior · read p. 52
  • 2015 E.C., Q36 – Which one of the following is an example of territorial behaviour of animals?
  • 2014 E.C., Q56 – Which one of the following is an example of social behavior?
  • 2013 E.C., Q29 – The Ethiopian wolf (Canis simensis) lives and hunt in packs. During patrolling their habitat, both male and female wolves of the group maintain their area with urine containing pheromone. This pattern of behavior best ex
  • 2011 E.C., Q82 – What is the survival value of a social behaviour in which some birds move in large groups?
2.6 Homeostasis in animals · read p. 55
Not asked in a national paper yet.
2.6.1 Thermoregulation · read p. 56
  • 2018 E.C., Q21 – What is the primary function of sweating in homoiotherms?
  • 2018 E.C., Q22 – Which physiological response helps conserve heat when the core body temperature drops?
  • 2017 E.C., Q31 – What does it mean if an animal is poikilothermic? It
  • 2016 E.C., Q47 – What is the justification for feeling warm while sweating a lot in a very humid condition?
  • 2015 E.C., Q82 – Which one of the following temperature controlling mechanisms in homoiotherms is categorized into behavioral method?
  • 2014 E.C., Q35 – Why are arctic animals such as seals, walruses and whales large in body size? To
  • 2005 E.C., Q20 – If the size of a cell increase, which one of the following gets smaller?
2.6.2 Osmoregulation · read p. 61
Not asked in a national paper yet.
2.6.3 Blood Sugar Regulation · read p. 62
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2.6.4 Control of homeostasis · read p. 64
Not asked in a national paper yet.
2.7 Renowned zoologists in Ethiopia · read p. 65
Not asked in a national paper yet.