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Core

Getting to Know Plants: Core

Core

Getting to Know Plants (NCERT Ch. 7)

What you'll learn

  • Classify plants as herbs, shrubs, trees, and climbers/creepers based on stem type.
  • Identify the parts of a leaf (lamina, veins, midrib, petiole) and types of venation (parallel/reticulate).
  • Identify the parts of a flower and the functions of root, stem, leaf, flower.

Key concepts

  1. Herb — a plant with a soft, green, short stem (e.g., wheat, tomato).
  2. Shrub — a plant with a hard but relatively short, branching stem near the base (e.g., rose, hibiscus).
  3. Tree — a plant with a hard, thick, tall, woody stem with branches high up (e.g., mango, neem).
  4. Climbers use tendrils/other supports to climb; creepers have weak stems that spread along the ground.
  5. Venation: parallel venation (veins run parallel, e.g., grass) vs reticulate venation (net-like veins, e.g., peepal).
  6. Root function: absorbs water/minerals, anchors the plant. Stem: transports water/food, supports the plant. Leaf: prepares food via photosynthesis.

Worked example

A plant has a soft green stem about 30 cm tall. Is it a herb, shrub, or tree?

Soft, green, short stem = characteristics of a herb.

Common mistakes

  • Confusing shrubs (branching near the base) with trees (branching well above ground).
  • Mixing up climbers (use support/tendrils) with creepers (spread along the ground).
  • Assuming all leaves have the same venation pattern.

Quick check

  • Give one example each of a herb, a shrub, and a tree.
  • What type of venation does a banana leaf usually show?

Open the Practice tab for graded questions on Getting to Know Plants (NCERT Ch. 7).

Key Takeaways (TL;DR)

  • What you'll learn
  • Key concepts
  • Worked example
  • Common mistakes

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