Why Do the Leaves of the Touchmenot Plant Close?

Why Do the Leaves of the Touchmenot Plant Close?

Assessment

Interactive Video

Biology

10th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the Touchmenot plant, also known as Mimosa Pudica, highlighting its unique ability to close its leaves when touched. This behavior is an evolutionary defense mechanism against herbivores and insects. The scientific explanation involves sismonastic responses, where electric signals trigger ion release, reducing turgor pressure in cells, causing the leaves to droop. The process is compared to a balloon losing pressure when pricked. The video concludes by summarizing the chemical and physical processes behind this fascinating plant behavior.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the primary reasons the Touchmenot plant closes its leaves?

To attract pollinators

To increase photosynthesis

To protect itself from herbivores

To conserve water

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a name for the Mimosa pudica?

Dancing plant

Tickle Me plant

Sensitive plant

Humble plant

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What scientific term describes the Touchmenot plant's response to touch?

Phototropism

Sismonastic response

Hydrotropism

Thigmotropism

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the plant cells when the Touchmenot plant is touched?

They release ions and lose turgor pressure

They start photosynthesizing rapidly

They gain water and become turgid

They produce more chlorophyll

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which ions are involved in the Touchmenot plant's response to touch?

Copper, silver, and gold

Potassium, sodium, and calcium

Magnesium, iron, and zinc

Chloride, fluoride, and bromide