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Science Worksheet
🌱 Seed Dispersal Methods
Science · Class 7 · Reproduction in Plants
Name:
Class:
Date:
Marks:
/ 16
Section A: Fill in the blanks
[5 marks]

Fill in each blank with the correct word from the lesson.

  1. The _______ mechanism is matched to the seed's shape, size, and habitat.
  2. Understanding seed dispersal explains how plants colonise new areas and why different plants thrive in different _______s.
  3. If all seeds fell directly under the parent plant, they would crowd together and compete for the same water, _______s, and light.
  4. Explosive dispersal uses mechanical _______ stored in drying pods: the touch-me-not plant has pods that suddenly coil and fling seeds several metres.
  5. Seed Dispersal Methods is an important topic in _______.
Section B: Circle the correct answer
[3 marks]

Choose the best option for each question.

  1. Why do plants need to disperse their seeds?
    a) To attract more pollinatorsb) To avoid competition between parent and offspring for resourcesc) To produce more fruitd) To survive winter
  2. How is a coconut adapted for water dispersal?
    a) It is very lightb) Its thick fibrous husk traps air and allows it to floatc) It has wings like a maple seedd) Animals carry it to water
  3. What inspired the invention of Velcro?
    a) Dandelion seedsb) Maple wingsc) Burdock hooks that stick to fur and clothingd) Coconut husks
Section C: True or False
[4 marks]

Write T for True or F for False in the brackets.

  1. To avoid competition between parent and offspring for resources is one of the key concepts in the lesson on Seed Dispersal Methods.
  2. To attract more pollinators is the main topic of this lesson.
  3. Its thick fibrous husk traps air and allows it to float is one of the key concepts in the lesson on Seed Dispersal Methods.
  4. It is very light is the main topic of this lesson.
Section D: Answer in one line
[4 marks]
  1. In your own words, explain what Seed Dispersal Methods means.
  2. List two things you learned from this lesson on Seed Dispersal Methods.
Total Marks: 16⭐ Good luck!doodlr.xyz/worksheets/seed-dispersal-methods
Answer Key
Seed Dispersal Methods
Section A — Fill in the blanks
  1. Dispersal
  2. habitat
  3. nutrient
  4. energy
  5. Science
Section B — MCQ
  1. b) To avoid competition between parent and offspring for resources
  2. b) Its thick fibrous husk traps air and allows it to float
  3. c) Burdock hooks that stick to fur and clothing
Section C — True or False
  1. T — True
  2. F — False
  3. T — True
  4. F — False
Section D — Short Answer

Accept any reasonable answer that shows understanding of Seed Dispersal Methods.

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