Seed Dispersal and Fruits

Question 1

What is a seed?

Answer 1

A fertilized ovary.

Question 2

What is a fruit?

Answer 2

Structures derived from carpel tissue - especially the ovary wall.

Question 3

What is a simple fruit?

Answer 3

1 flower; 1 ovary (may be simple ovary of 1 carpel or compound ovary of mult. fused ovaries.)

Question 4

What is an aggregate fruit?

Answer 4

1 flower; multiple separate carpels.

Question 5

What is a multiple fruit?

Answer 5

Made up of multiple flowers.

Question 6

What is an accessory fruit?

Answer 6

Includes parts other than ovary.

Question 7

What kinds of fruits are fleshy? (3 categories)

Answer 7

1. Berry. 2. Drupe. 3. Pome.

Question 8

What kinds of fruits are dry and dehiscent? (4 categories)

Answer 8

1. Follicle. 2. Legume. 3. Silique. 4. Capsule.

Question 9

What kinds of fruits are dry and indehiscent? (5 categories)

Answer 9

1. Achene. 2. Grain. 3. Nut 4. Schizocarp. 5. Samara.

Question 10

What is a berry?

Answer 10

Fleshy, 1 ovary (may be 1 carpel or multiple fused carpels). Usually many seeded.

Question 11

What are examples of berries?

Answer 11

Grapes, blueberries, tomatoes, peppers.

Question 12

What is a drupe?

Answer 12

Fleshy. 1 seed. Inner layer of fruit is stony,

Question 13

What are examples of drupes?

Answer 13

Peach, plum, cherry, mango, and olive

Question 14

What is a pome?

Answer 14

Fleshy, many seeds. Accessory fruit = carpals plus fused other flower parts.

Question 15

What is a follicle? How many openings does it have?

Answer 15

Dry, dehiscent. 1 carpel. Opens on one edge.

Question 16

What is an example of a follicle?

Answer 16

Milkweed.

Question 17

What is a Legume? How many openings does it have?

Answer 17

Dry, dehiscent. 1 carpel. Splits along both sides.

Question 18

What is an example of a Legume?

Answer 18

Peas.

Question 19

What is a Silique?

Answer 19

Mustard family. 2 fused carpels. Opens along two sides.

Question 20

What is a Capsule? How many openings does it have?

Answer 20

Dry, dehiscent. Compound ovary of multiple carpels. Various kinds of openings.

Question 21

What is an example of a capsule?

Answer 21

Opium poppy.

Question 22

What is an achene?

Answer 22

Dry, indehiscent. Single-seeded. Seed lies free in the cavity of the fruit (not fused).

Question 23

What is an example of an achene?

Answer 23

Sunflower “seed”.

Question 24

What is a Grain (grass family)?

Answer 24

Dry, indehiscent. Single-seeded. Seed fused to fruit wall.

Question 25

What is a nut?

Answer 25

Dry, indehiscent. Hard fruit wall. Derived from a compound ovary. Usually, only one seed survives.