Botany Introduction

Question 1

Life Cycle of Plants

Answer 1

Heteromorphic Alternation of Generation

Question 2

Major characteristics of plants

Answer 2

Multicellular
Photosynthetic/autotrophic
embryophytes
asexual and sexual reproduction
exhibits life cycle

Question 3

fertilization wherein one size is bigger

Answer 3

oogamy

Question 4

fertilization wherein gametes have same size; usually in lower life forms

Answer 4

isogamy

Question 5

aids sperm cell in swimming

Answer 5

wind or water

Question 6

2 major groups of plants

Answer 6

vascular and non-vascular

Question 7

for water conduction

Answer 7

xylem

Question 8

for food conduction

Answer 8

phloem

Question 9

functions of roots

Answer 9

storage
anchorage
production of hormones

Question 10

2 types of root system

Answer 10

tap root and fibrous or diffuse

Question 11

protects the root tip

Answer 11

root cap

Question 12

root cap type of tropism

Answer 12

positive geotropism

Question 13

photosynthetic organ

Answer 13

leaf

Question 14

leaf stalk

Answer 14

petiole

Question 15

pores in the stem where gaseous exchange take place

Answer 15

lenticels

Question 16

part of the stem that divides to increase the length

Answer 16

apical meristem

Question 17

point of attachemnt in the stem

Answer 17

node

Question 18

between nodes

Answer 18

internode

Question 19

covering of stem

Answer 19

bark

Question 20

forms when leaves are detached

Answer 20

scars

Question 21

found inside the bark

Answer 21

wood

Question 22

immature organs in the wood

Answer 22

buds

Question 23

part of the wood: outer and lighter

Answer 23

sapwood

Question 24

part of the wood: inner and darker

Answer 24

heartwood

Question 25

represent amount of wood produced in one year

Answer 25

annual rings or growth rings

Question 26

part of the flower that holds all the floral parts

Answer 26

receptacle or torus

Question 27

stalk of flower

Answer 27

peduncle

Question 28

contains pollen (part of a flower)

Answer 28

anther

Question 29

group of petals

Answer 29

corolla

Question 30

group of sepals

Answer 30

calyx

Question 31

contains ovule

Answer 31

ovary

Question 32

baby or immature seeds in the ovary

Answer 32

ovule

Question 33

elevates the stigma to catch pollen

Answer 33

style

Question 34

sticky flattened part, at the tip of the style

Answer 34

stigma

Question 35

vegetative organs

Answer 35

leaf and stems

Question 36

reproductive organs

Answer 36

flowers OR fruits

Question 37

mixed buds

Answer 37

flowers and leaves

Question 38

mature or ripened ovary

Answer 38

fruit

Question 39

mature or ripened ovules

Answer 39

seeds

Question 40

2 axes of the seed

Answer 40

epicotyl and hypocotyl

Question 41

axis of the seed that gives rise to shoot system

Answer 41

epicotyl

Question 42

axis of the seed that gives rise to root system

Answer 42

hypocotyl

Question 43

products of double fertilization

Answer 43

triploid endosperm; diploid zygote

Question 44

1 sperm + 2 polar nuclei

Answer 44

endosperm 3N

Question 45

1 sperm + egg cell

Answer 45

zygote 2N

Question 45

Fusion of gametes

Answer 45

Syngamy

Question 46

Known as Bryophytes

Answer 46

Mosses Liverworts Hornworts

Question 47

Known as fern allies

Answer 47

Whiskferns Clubmosses Horsetail Ferns

Question 48

Gymnosperms

Answer 48

Cycads Ginkgoes Gnetophytes Pines

Question 49

Part of the root tip that increase absorptive capacity

Answer 49

Root hair

Question 50

Protects the root tip | Positive geotropism

Answer 50

Root cap

Question 51

Zones of the root tip

Answer 51

Maturation Elongation Division

Question 52

Root system best for absorption

Answer 52

Fibrous or diffuse

Question 53

Tongue like outgrowth between stem and petiole

Answer 53

Stipule

Question 54

Hair like in the stem and leaf sheath

Answer 54

Ligules

Question 55

Connects the leaf to the stem (parallel venation)

Answer 55

Leaf sheath

Question 56

Petals + sepals

Answer 56

Perianth