Question

1

A tree that is 100 years old will have how many rings of Primary Phloem?

a 0ne

b one hundred

c two

d zero

A. Other than chlorophyll b Green Algae share with all other land plants ____________.

	A.	The ability to live submerged in water
	B.	Seeds
	C.	Vascular tissue
	D.	The ability to store food as starch
	E.	The ability to reproduce by spores

Answer 1

1. Annual rings are formed by secondary xylem formed due to scondary growth in a tree. Phloem does not form any annual rings.

Primary phloem is present beyond seconary phloem which does not form a ring. Secondary phloem is formed beyond the cambial ring. Where as all annual rings present with in the cambial ring.

D. Zero.. is the right option.

2. All green algae store food as starch in the form of amylose and amylopectins. Starches are polysaccharides made of many glucose monomers.

D is the right option...Ability to store food as starch