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Question 1

Three main organs of plants?

Answer 1

Leaves, shoots, and roots

Question 2

The two types of root systems? From where do they arise

Answer 2

1) Tap. single root. Arise from the embryo.

2) Fibrous. lots of tiny roots together. Arise from the base of the stem.

Question 3

Shoots in monocots versus dicots?

Answer 3

Think vascular bundles.

In monocots it’s random in a bunch. In dicots it’s in lines and rings.

Question 4

What are the three regions of primary root development?

Answer 4

FROM TOP TO BOTTOM-

1) Region of maturation: where the root hairs come from

2) Region of cell elongation: cells elongate, causing root to grow in length

3) Region of cell division (apical meristem): produces root cap, NEW cells are made here to then be elongated

Question 5

Tell me about casparian strips?

Answer 5

So casparian strips are these ring like structures in the endodermis of ROOTS ONLY

They force water to pass through. Made of lignin and something else