Engineer & Medical

Mineral Nutrition question bank (Biology)

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Q1.

In plants, ammonium ions are produced by protonation of ammonia. Which enzyme uses these ammonium ions to convert an alpha-keto acid into an amino acid?

(A)
Nitrogenase
(B)
Lactate dehydrogenase
(C)
Glutamate dehydrogenase
(D)
Transacetylase
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Q2.

Which of the following processes increases the uptake of water and minerals by roots in legumes?

(A)
Formation of mycorrhizae
(B)
Active uptake by xylem
(C)
Pumping through plasmodesmata
(D)
Pumping through cortical cells
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