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Gray spots of oat are caused by the defi...

Gray spots of oat are caused by the deficiency of

A

Cu

B

Zn

C

Mn

D

Fe

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TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. Osmolarity of cells is mainly due to

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  2. Copper deficiency leads to

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  3. Gray spots of oat are caused by the deficiency of

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  4. Most minerals in a soil are in the

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  5. Small clay particles hold calcium, potassium and magnesium ions becaus...

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  6. Most of the dry weight of a tree comes from atoms acquired from

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  7. A root concentrates minerals by

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  8. As water and minerals move toward the vascular cylinder of a root, the...

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  9. Most vascular plants increase the absorption of minerals by

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  10. Uptake of mineral ions into xylem is controlled by

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  11. When a cell contains some nondiffusible or fixed ions which ar...

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  12. Point out the one which does not justify active absorption o...

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  13. Mineral nutrients absorbed by roots, move to leaves through 1. xylem ...

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  14. Membrane pathways for minerals along permeases 1. need ATP 2. nee...

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  15. Carrier proteins for active salt uptake 1. have pores 2. form co...

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  16. The ascent of minerals is 1. equal to the rate of translocation of wat...

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  17. Bidirectional translocation of minerals takes place in 1. xylem 2. ...

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  18. Passive obsorption of minerals depends on

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  19. Passive obsorption of minerals salts is not dependent on

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  20. Active uptake of minerals by roots mainly depends on the

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