Tag: introduction to angiosperms

Questions Related to introduction to angiosperms

Which of the following is an example of dicotyledon seed?

botany plant biology introduction to angiosperms phanerogams angiosperms

  1. Maize

  2. Mustard

  3. Banana

  4. Garlic

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Correct Option: B
Explanation:
  • The flowering plants (angiosperms) are divided into two groups, namely monocots and dicots. 
  • Monocots- Plants which have only one cotyledon in the seeds are called as monocots. For example, maize, banana, garlic, etc.
  • Dicots- Plants that have two cotyledons in their seeds are called as dicots. For example, mustard, beans, legumes, apples, etc.

Cotyledons are also called as______________

botany plant biology introduction to angiosperms phanerogams angiosperms

  1. Seed fruit

  2. Seed stem

  3. Seed leaves

  4. Seed

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Correct Option: C
Explanation:
  • Cotyledons are actually part of the seed. 
  • They are the first part of the plant to emerge and they look like little green leaves (hence, "seed leaves"). 
  • The cotyledons store food reserves for the growing seedling. The plant relies on this stored food for early growth. 
  • The cotyledons also can photosynthesize, which supplies extra energy until the first true leaves emerge.

Which among the following is the correct definition of monocots?

botany plant biology introduction to angiosperms phanerogams angiosperms

  1. Plants having single cotyledons in the seed

  2. Plants having two cotyledons in the seed

  3. Plants having three cotyledons in the seed

  4. Plant without seeds

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Correct Option: A
Explanation:
  • The angiosperms are divided into two groups on the basis of the number of cotyledons present in the seed. 
  • The plants with seeds having single cotyledons are known as monocots. The plants with seeds having two cotyledons are known as dicots.

Angiosperms have____________

botany plant biology introduction to angiosperms phanerogams angiosperms

  1. Naked seeds

  2. Enclosed seeds

  3. Both A and B

  4. None of these

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Correct Option: B
Explanation:
Subkingdom phanerogams include two divisions, gymnosperms and angiosperms.
Gymnosperms have naked seed whereas angiosperms have seeds enclosed within a fruit.