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Biology Past Questions and Answers

Topic: Internal structure of a flowering plant

Jamb Biology Questions - Internal structure of a flowering plant

Question 36:
In the internal structure of plants, a wide pith in the centre is common to
  • A Dicot stems and monocot stems
  • B Dicot stem and monocot roots
  • C Dicot roots and monocot roots
  • D Dicot roots and monocot stems
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Question 37:
Evapouration and transpiration are respectively represented by the components labelled
  • A I and II
  • B II and III
  • C III and IV
  • D IV and I
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Question 38:
In the transverse of a dicot sperm, the region lying between the endodermis and the vascular bundle is the
  • A Parenchyma
  • B Pericycle
  • C Phloem
  • D Hypodermis
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Question 39:
In a dicotyledonous stem, the zone between the epidermis and the pericycle is the
  • A Cortex
  • B Stele
  • C Xylem
  • D Ploem
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Question 40:
Use the diagram above to answer this question.During photosynthesis, the arrow labelled ll represents the
  • A Escape of mineral salts
  • B Absorption of energy from the sun
  • C Release of carbon (IV) oxide
  • D Release of oxygen as a by-product
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