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Page 18

Which of the following scientists did not contribute to the development of genetics

a.

Wilhem Johnson

b.

Thomas Morgan

c.

Gregor Mendel

d.

Felix Durjadin

Which of the following types of placentation is not common amongst syncar pous pistills

a.

Marginal

b.

Axile

c.

Parietal

d.

Free central

In both dicotyledonous and monocotyledonous plants, the root hairs originate from the

a.

Piliferous layer

b.

epidermal layer

c.

endodermal layer

d.

cortical layer

Which of the following is associated with calcium in plants? Formation of

a.

cell wall

b.

ribosomes

c.

proteins

d.

cell membrane

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