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12 questions · timed · auto-graded

Question 11 Mark
Give two characteristics and one example of Thallophytes
Answer
Example: Bacteria, fungi, algae
Characteristics:
(a) These plants do not have roots, stems, or leaves.
(b) They are non-flowering plants.
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Question 21 Mark
Give two characteristics and one example of Pteridophyta
Answer
Example: ferns
Characteristics:
(a) They are non-flowering plants i.e. do not produce flowers are seeds. They reproduce through spores
(b) They have feather-like leaves divided into leaflets.
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Question 31 Mark
Give two characteristics and one example of Bryophyta
Answer
Examples: mosses, liverworts.
Characteristics:
(a) They have stems and leaves but no roots.
(b) They are non-flowering plants.
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Question 41 Mark
Give two characteristics and one example of Dicot
Answer
Examples: gram, rose, mango.
Characteristics:
(a) They contain two cotyledons in their seed.
(b) They have a network like (reticulate) venation in their leaves.
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Question 51 Mark
Give two characteristics and one example of Monocot.
Answer
Example: Maize
characteristics
(a) They have seeds with one cotyledon
(b) Cotyledon usually becomes the embryonic first leaves of a seedling
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Question 61 Mark
Give two characteristics and one example of Fungi
Answer
Example: Mushroom
characteristics
(a) They cannot prepare their food
(b) Most fungi live on dead and decaying organic matter
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Question 71 Mark
Give two characteristics and one example of Algae
Answer
Example: Spirogyra
characteristics:
(a) these are found in the stagnant water of ponds, growing as green scum
(b) they have chlorophyll
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Question 91 Mark
Name the categories Plants with roots, stems, and leaves, and which bear spore-producing bodies
Answer
Pteridophyta or Ferns.
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Question 121 Mark
Give a reason for the following:
Bryophytes are called amphibians of the plant kingdom
Answer
Since bryophytes grow on land but need water for reproduction (like frogs in animals), they are called the amphibians of the plant kingdom.
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[1 Mark Question Answer] - BIOLOGY STD 7 Questions - Vidyadip