Chapter Seven: Leaves

Question 1

primary photosynthetic organ of most plants

Answer 1

leaves

Question 2

4 things that most leaves consist of

Answer 2

1. flattened blade
2. stalk like petiole
3. central midrib
4. numerous veins

Question 3

leaves are shed from an ____ at the base of the petiole

Answer 3

abscission zone

Question 4

leaf without a divided blade

Answer 4

simple

Question 5

leaf with leaflets that join at a common point

Answer 5

palmate compound

Question 6

leaf with leaflets that originate opposite one another

Answer 6

pinnate compound

Question 7

a pinnate compound leaf in which the leaflets are also subdivided into more leaflets

Answer 7

bipinnate compound

Question 8

leaf veins all arise from a common point

Answer 8

netted/palmately veined

Question 9

leaf sub veins run parallel to the mid vein up the blade

Answer 9

parallel venation

Question 10

leaf veins originate opposite one another

Answer 10

pinnate venation

Question 11

whole leaf is made up of vascular veins netted together

Answer 11

dichotomous venation

Question 12

___ is seen internally on the side of the leaf that is exposed to the sun
___ is seen internally on the side of the leaf that is exposed to the shade

Answer 12

palisade mesophyll
spongy mesophyll

Question 13

extensions of coiled leaves

Answer 13

tendrils

Question 14

leaves designed to protect the plant from grazing animals

Answer 14

spines

Question 15

modified leaves with reproductive organs in the middle

Answer 15

bracts

Question 16

leaves that plant puts baby clones on the margins of

Answer 16

reproductive leaves

Question 17

seed leaf

Answer 17

cotelydon

Question 18

4 examples of an insect trapping leaf

Answer 18

1. Venus fly trap
2. pitcher plants
3. sundew
4. aquatic bladderwort