Fruits And Seeds

Question 1

Definition of zygote

Answer 1

Embryo

Question 2

Def of integuments

Answer 2

Seed coat

Question 3

The different kinds of fruit are characterized by what

Answer 3

Characteristics of the pericarps (old ovary wall)

Question 4

Nature of the pericarp determines what

Answer 4

Dry or fleshy

Question 5

Determining whether or not the pericarp pops open at maturity

Answer 5

Dehiscent or indehiscent

Question 6

Simple

Answer 6

Single ovary

Question 7

Aggregate

Answer 7

From many ovaries of same flower

Question 8

Multiple

Answer 8

Fro, fused ovaries of many flowers

Question 9

Pericarp fleshy

Answer 9

1. Berry a) pepo b) hesperidium 2. Drupe 3. Pome

Question 10

Pericarp dry

Answer 10

Dehiscent: a) legume b) capsule

Question 11

Indehiscent

Answer 11

A) Samara b) grain c) achene d) nut

Question 12

Hilium (dicot)

Answer 12

Oval scar where seed broke free from the funiculus

Question 13

Microphyle (dicot)

Answer 13

Opening for pollen tube allowing air and water into seed

Question 14

Embryonic axis

Answer 14

Epicotyl above cotyledons (plumule with embryotic leaves)

Question 15

A grain isn’t a seed but rather a

Answer 15

Fruit

Question 16

What are the two protective sheaths in monocot seed

Answer 16

Coleorhiza to protect radicle and coleoptile to protect plumule

Question 17

Bran

Answer 17

Pericarp + aleurone layer speeds up movement through digestive tract

Question 18

Germ

Answer 18

Embryo high oil content reducing storage time

Question 19

Factors needed for all seeds

Answer 19

1. Water to swell seed coat and flush out any chemical inhibitors 2. Oxygen for mitochondria to produce ATP 3. Freezing temps to break down any chemical inhibitors

Question 20

Factors needed in special cases of seeds

Answer 20

1. Light for weedy species 2. Fire to dry out cones for shedding on to open nutrient rich ground 3. Digestive enzymes to weaken seed coat and allow water penetration for germination