Home
Class 10
BIOLOGY
Define positive geotropism and negative ...

Define positive geotropism and negative geotropism. Give one example of each.

Text Solution

Verified by Experts

The movement of plant part in response to gravity is called geotropic movement and the phenomenon involved is called geotropism.
When the tip of the stem grows away from the earth.s gravitational forces, it is known as negative geotropism and when the root tips grow towards gravity, it is know as positive geotropism.
E.g., Stem shows negative geotropism
Roots show positive geotropism.
Promotional Banner

Topper's Solved these Questions

  • CONTROL AND CO-ORDINATION

    OSWAAL PUBLICATION|Exercise TOPIC - 1 Tropic Movements and Introduction of Plant Hormones (Long Answer Type Questions)|6 Videos

  • CONTROL AND CO-ORDINATION

    OSWAAL PUBLICATION|Exercise TOPIC - 2 Control and co-ordination in Animals (Multiple Choice Questions)|2 Videos

  • CONTROL AND CO-ORDINATION

    OSWAAL PUBLICATION|Exercise TOPIC - 1 Tropic Movements and Introduction of Plant Hormones (Short Answer Type Question-1)|3 Videos

  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise NCERT CORNER TEXTBOOK EXERCISES|11 Videos

Similar Questions

Explore conceptually related problems

Give one example of Lycopsida.

What are electrophiles? Give one example.

Define the thermoplastic and thermosetting polymers. Give one example of each.

What are vectors ? Give one example.

Give one example of Chemotropism.

What are chelates? Give one example.

Define Lewis acid. Give one example for Lewis acid.

What are vinyl and allyle alcohols? Give one example of each.

Give one example of metallic hydrides.

Give one example of ionic hydrides.