3.3.1 + 2 Nutrition & Storage in Plants FMQuiz Homework Solution
Q. Where precisely does water enter a plant?
A. Root hairs
Q. Name an autotrophic organism.
A. Grass, seaweed, fern, moss, etc.
Q. In which tissue does water ascend through the plant?
A. Xylem
Q. Name the process responsible for the entry of water into a plant.
A. Osmosis
Q. What is the function of stomata?
A. To allow exchange of gas or water vapour or Transpiration
Q. State one way in which the tissue is adapted for transporting water and minerals.
A. Has lignin for strength and support
Q. Name the apertures in stems that are equivalent to stomata.
A. Lenticels
Q. Name a gas that leaves the leaf at the stomata.
A. Oxygen; Water vapour; Carbon dioxide; Nitrogen
Q. Name a factor that influences the diameter of stomata.
A. CO2 concentration or Light intensity or Potassium ions or Water
Q. Name one process that causes water to move upwards in a plant.
A. Root pressure or Cohesion or Adhesion or Capillarity or Transpiration
Q. What will happen to the amount of water moving through a plant when it gets dark?
A. Decreases
Q. Name a plant in which the leaves are modified for food storage.
A. Onion or Tulip or Daffodil
Q. Name the process responsible for the uptake of minerals by roots?
A. Active transport
Q. Name a type of modified stem that functions in food storage.
A. Rhizome or Corm or Tuber
Q. Name a carbohydrate that you would expect to find stored in modified leaves.
A. Starch or Sucrose or Glucose
Q. Name the openings in the leaf which allow the entry of carbon dioxide for photosynthesis.
A. Stomata
Q. TRUE or FALSE. A potato is a modified stem.
A. TRUE
Q. Name the plant tissue responsible for transporting food.
A. Phloem
Q. Describe how nitrates enter the root of a plant from the soil.
A. Active transport
Q. Give one example of a root modified for food storage.
A. Carrot; Turnip; Parsnip; etc.
Q. The walls of xylem vessels are reinforced with …
A. Lignin
Q. State a function of Dermal tissue.
A. Protect from water loss or infection
Q. Where precisely is xylem tissue found in the stem of a young dicotyledonous plant?
A. Vascular bundle or Next to phloem
Q. What is meant by the term dicotyledonous?
A. Two seed leaves
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