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Class XI Biology Plant Growth & Development 1

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Question 1

The basis to the phenomenon of growth is

Question 2

Removal of terminal bud of a flowering plant leads to

Question 3

The establishment of localized qualitative differences in biochemicals, metabolic, processes and structural organization in cells is known as

Question 4

6-furfuryl amino purine, 2-4 dichlorophenoxy acetic acid and indole-3 acetic acids are the examples respectively for

Question 5

The dormancy of potato tubers can be broken by spraying

Question 6

Flowering dependent on cold treatment is

Question 7

The plant hormone produced by Rhizobium for nodulation is

Question 8

Pick out the correct statements
(i) Cytokinins especially help in delaying senescence
(ii) Auxins are involved in regulating apical dominance
(iii) Ethylene is especially useful in enhancing seed germination
(iv) Gibberellins are responsible for immature falling of leaves

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Oct 14NEET & AIIMS