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Biology Past Questions

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4951

Study the list of organisms below and use them to answer the questions.
I-Hydra
II-Owl
III-Snake
IV-Snail
The Phylum of the organism labeled IV is

  • A. Platyhelminthes
  • B. mollusca
  • C. Arthropoda
  • D. Coelenterata
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4952

Placentation in fruits is referred to as the

  • A. arrangement of ovules in the ovary of a flower
  • B. part of the ovary where the ovules originate and remain till maturity
  • C. ovules borne on a central column of tissues in an ovary
  • D. formation of a single carpel joined at the two edges of an ovule
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4953

Which of the following characteristics shows discontinuous variation in plants?

  • A. Colour of flower
  • B. Leaf size
  • C. Height of plant
  • D. fruit size
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4954

An example of a process that involves osmosis is the

  • A. movement of water from root hairs into cortical cell
  • B. reabsorption of food nutrients from the kidney into blood capillaries
  • C. translocation of starch from leaves to all parts of a plant
  • D. movement of digested food from ileum into blood capillaries
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4955

Stunted growth and small yellow leaves in plants are symptoms of the deficiencies of

  • A. nitrogen
  • B. iron
  • C. sulphur
  • D. magnesium
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