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Last post by alfonzodavinchi
in Re: Which of the followi...
on Mar 10, 2023

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Subject / Started by	Replies / Views	Last post
Which of the following is a major mechanism whereby hormones control plant devel Started by xclash	1 Replies 514 Views	Aug 22, 2013 by clippers!
Evidence for phototropism due to the asymmetric distribution of auxin moving dow Started by xclash	1 Replies 441 Views	Aug 22, 2013 by clippers!
According to modern ideas about phototropism in plants, A) light causes auxin to Started by xclash	1 Replies 726 Views	Aug 22, 2013 by clippers!
A plant seedling bends toward sunlight because A) auxin migrates to the lower pa Started by xclash	1 Replies 594 Views	Aug 22, 2013 by clippers!
The apical bud of a shoot produces ________, resulting in the inhibition of late Started by xclash	1 Replies 638 Views	Aug 22, 2013 by clippers!
After some time, the tip of a plant that has been forced into a horizontal posit Started by xclash	1 Replies 489 Views	Aug 22, 2013 by clippers!
Gravitropism in plant shoots and roots differ in that A) only shoots depend upon Started by xclash	1 Replies 453 Views	Aug 22, 2013 by clippers!
The ripening of fruit and the dropping of leaves and fruit are principally contr Started by xclash	1 Replies 1,291 Views	Aug 22, 2013 by clippers!
Which plant hormones would likely be found in high amounts in a sprouting vegeta Started by xclash	1 Replies 598 Views	Aug 22, 2013 by clippers!
Which of the following plant hormones would be found in very low amounts in a ma Started by xclash	1 Replies 510 Views	Aug 22, 2013 by clippers!
The plant hormone involved in aging and ripening of fruit is A) auxin. B) ethyle Started by xclash	1 Replies 546 Views	Aug 22, 2013 by clippers!
When growing plants in culture, IAA is used to stimulate cell enlargement. Which Started by xclash	1 Replies 463 Views	Aug 22, 2013 by clippers!
Why do coleoptiles grow toward light? A) Auxin is destroyed by light. B) Gibbere Started by xclash	1 Replies 839 Views	Aug 22, 2013 by clippers!
Which of the following statements applies to plant growth regulators? A) They on Started by xclash	1 Replies 660 Views	Aug 22, 2013 by clippers!
Plant hormones produce their effects by A) altering the expression of genes. B) Started by xclash	1 Replies 580 Views	Aug 22, 2013 by clippers!
Why might animal hormones function differently than plant hormones? A) Animal re Started by xclash	1 Replies 611 Views	Aug 22, 2013 by clippers!
Which of the following hormones would never be found in high concentrations in a Started by xclash	1 Replies 703 Views	Aug 22, 2013 by clippers!
Plant hormones can have different effects at different concentrations. This expl Started by xclash	1 Replies 682 Views	Aug 20, 2013 by clippers!
Auxins (IAA) in plants are known to affect all of the following phenomena except Started by xclash	1 Replies 592 Views	Aug 20, 2013 by clippers!
How does indoleacetic acid affect fruit development? A) by preventing pollinatio Started by xclash	1 Replies 341 Views	Aug 20, 2013 by clippers!
Oat seedlings are sometimes used to study auxins because A) they are a readily a Started by xclash	1 Replies 503 Views	Aug 20, 2013 by clippers!
Auxin triggers the acidification of cell walls, which results in rapid growth, b Started by xclash	1 Replies 552 Views	Aug 20, 2013 by clippers!
If a farmer wanted more loosely packed clusters of grapes, he would most likely Started by xclash	1 Replies 775 Views	Aug 20, 2013 by clippers!
Which of the following plant hormones are most likely to act synergistically if Started by xclash	1 Replies 447 Views	Aug 20, 2013 by clippers!
Which of the following statements best summarizes the acid growth hypothesis in Started by xclash	1 Replies 778 Views	Aug 20, 2013 by clippers!

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