Given below is an experimental setup to demonstrate a particular tropic movement in germinating seeds. Study the diagram and answer the questions that follow pe Perforated trough Moist sawdust - Germinating seed - Brick (i) Label the parts 1 and 2. (ii) Name the tropic movement shown by part 1. (iii) Part 1 is affected by two stimuli. Name them. Which one of the two is stronger? (iv) What is Thigmotropism ? Give one

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Given below is an experimental setup to
demonstrate a particular tropic movement in
germinating seeds. Study the diagram and
answer the questions that follow
Perforated trough
Moist sawdust
- Germinating seed
-Brick
(i) Label the parts 1 and 2.
(ii) Name the tropic movement shown by part
1.
(iii) Part 1 is affected by two stimuli. Name
them. Which one of the two is stronger?
(iv) What is Thigmotropism ? Give one
example.
(v) What is meant by 'Positive' and 'Negative'
tropic movements in plants?
Transcribed Image Text:Given below is an experimental setup to demonstrate a particular tropic movement in germinating seeds. Study the diagram and answer the questions that follow Perforated trough Moist sawdust - Germinating seed -Brick (i) Label the parts 1 and 2. (ii) Name the tropic movement shown by part 1. (iii) Part 1 is affected by two stimuli. Name them. Which one of the two is stronger? (iv) What is Thigmotropism ? Give one example. (v) What is meant by 'Positive' and 'Negative' tropic movements in plants?
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