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Biology Test 12...

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  • Question 1
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    Directions For Questions

    The main steps in breeding a new genetic variety of a crop are:

    1. Collection of variability

    2. Cross hybridization among the selected parents

    3. Testing, release and commercialization of new cultivars

    4. Evaluation and selection of parents

    5. Selection and testing of superior recombinants

    ...view full instructions

    What is the correct sequence of these steps?

  • Question 2
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    Plasmids that can integrate in the bacterial DNA are:

  • Question 3
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    Which of the following statements is true concerning developmental anomalies of the renal system?

  • Question 4
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    Which of the following statements is/are false?

    (a) All the voluntary actions of the human body are controlled by the cerebrum.

    (b) The junction between two adjacent neurons is called an axon.

    (c) Pituitary gland does not occur as a pair in the human body.

  • Question 5
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    The sclereids found in the sub-epidermal covering of legume seeds are

  • Question 6
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    The high energy radiations, salts of heavy metals, CO and protein poisons like cyanides, make protein inactive by

  • Question 7
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    In which of the following is less than seven percent of the energy in glucose released?

    (a). Aerobic respiration

    (b). Lactic acid fermentation

    (c). Alcohol fermentation`

  • Question 8
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    A snake possesses:

  • Question 9
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    Which of the following correctly represents the arrangement of organisms in increasing order of concentration of heavy metals in their body?

  • Question 10
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    Which of the following statements about food allergy is correct?

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