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Karnataka PUC I Morphology and Anatomy of Flowering Plants — practice questions — page 2

Explore 50 free Morphology and Anatomy of Flowering Plants questions in Karnataka PUC I Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Morphology and Anatomy of Flowering Plants questions and exercises with answers

Showing questions 31–50 of 50.

A 'false fruit' is one in whichRead the answer and worked solution →Pneumatophores (breathing roots) are an adaptation seen in plants growing in:Read the answer and worked solution →The 'eye' of a potato (with axillary bud) confirms that potato is a:Read the answer and worked solution →The pinnately compound leaf is best seen in:Read the answer and worked solution →The capitulum (head) inflorescence is characteristic of which family?Read the answer and worked solution →A flower of pea (Pisum sativum) shows which type of floral symmetry?Read the answer and worked solution →In tomato, the ovules are arranged on the central axis of a multi-loculed ovary. This placentation is:Read the answer and worked solution →JACKFRUIT is an example of which fruit type?Read the answer and worked solution →Mango is classified as a:Read the answer and worked solution →In MONOCOT seeds, the cotyledon is specifically called:Read the answer and worked solution →Apical meristems are responsible for which type of plant growth?Read the answer and worked solution →Sclerenchyma cells are characterised by:Read the answer and worked solution →Vascular bundles in a dicot stem are described as:Read the answer and worked solution →A DORSIVENTRAL leaf (typical dicot) is characterised by:Read the answer and worked solution →Secondary growth in plants is brought about primarily by:Read the answer and worked solution →Each ANNUAL RING in a tree corresponds to:Read the answer and worked solution →The HEARTWOOD of a tree is:Read the answer and worked solution →NEET · Biology · Root Modifications ↔ ExampleRead the answer and worked solution →NEET · Biology · Monocot or Dicot — AnatomyRead the answer and worked solution →NEET · Biology · Xylem or PhloemRead the answer and worked solution →

Worked practice questions

A 'false fruit' is one in which

  1. the fruit doesn't develop from the ovary
  2. the fruit develops from the ovary alone (true fruit)
  3. other floral parts (e.g. thalamus) contribute to the fruit besides the ovary
  4. there is no fertilisation
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Correct answer: C. other floral parts (e.g. thalamus) contribute to the fruit besides the ovary

**False (accessory) fruit:** tissues other than the ovary contribute — e.g. apple (thalamus forms most of the flesh). True fruits develop entirely from the ovary.

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Pneumatophores (breathing roots) are an adaptation seen in plants growing in:

  1. Dry deserts (e.g., cactus plants)
  2. Cold high-altitude regions (e.g., pine)
  3. Waterlogged or saline soils (e.g., mangroves)
  4. Sandy beach areas with strong winds
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Correct answer: C. Waterlogged or saline soils (e.g., mangroves)

Pneumatophores = breathing roots that grow VERTICALLY UP (negatively geotropic) from waterlogged soil. Help in oxygen uptake. **Classic example:** Rhizophora and Avicennia (mangrove trees in Sundarbans).

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The 'eye' of a potato (with axillary bud) confirms that potato is a:

  1. Modified root (storage tap root)
  2. Modified underground stem (tuber)
  3. Modified leaf petiole
  4. A simple root with nodes
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Correct answer: B. Modified underground stem (tuber)

POTATO is a stem TUBER (underground modified stem). The 'eyes' are AXILLARY BUDS (a stem feature, not root). Sweet potato is a root tuber potato is a stem tuber. Don't confuse them.

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