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Biology Test - ...

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  • Question 1
    1 / -0

    Which of the following are genes with multiple phenotypic effects?

  • Question 2
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    Which of the following is a device for growing plants in a controlled environment?

  • Question 3
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    Read the following statements and answer the question.1. Nitrogenous base is linked to pentose sugar through an N-glycosidic bond.2. Phosphate group is linked to 5’-OH of a pentose sugar through phosphoester bond.3. Two nucleosides are linked through 3’- 5’ N-glycosidic bond.4. Negatively charged DNA is wrapped around positively charged histone octamer to form the nucleosome.5. The chromatin that is more densely packed and stains dark is called euchromatin.

  • Question 4
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    Sea otters, an example of a keystone species, limit the density of which of the following species?

  • Question 5
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    In which of the following connective tissues do the cells not secrete collagen?a. Bloodb. Cartilagec. Boned. Adipose

  • Question 6
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    Where does the cardiac center lie in the brain?

  • Question 7
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    Which of the following pairs of connecting links is incorrect?

  • Question 8
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    Which of the following cells are living, thin-walled and have their cell walls made up of cellulose?

  • Question 9
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    Which of the following statements is true?

  • Question 10
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    Which of the following species are restricted to a given area

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