Plant biology

Question 1

is the reason why water can flow through the vessel
and reach the peak of tall trees.

Answer 1

Transpiration pull

Question 2

The chemical process by which sugars and starches produced by photosynthesis
it converted to energy is called

Answer 2

Oxidation

Question 3

Controlled oxidation in a living cell
known as

Answer 3

Respiration

Question 4

is a ripened ovule containing an embryo within a seed coat, often with
additional storage tissues

Answer 4

A seed

Question 5

• It is the progression from earlier to later stages in maturation,
  e.g. a fertilized egg develops into a mature tree. It is the process whereby tissues,
  organs, and whole plants are produced

Answer 5

Development

Question 6

It is the irreversible change in size of cells and plant organs due to both
cell division and enlargement. Enlargement necessitates a change in the elasticity
of the cell walls together with an increase in the size and water content of the
vacuole

Answer 6

Growth

Question 7

• They are seedless,
  vascular plants that show true
  alternation of generation

Answer 7

Pteridophytes

Question 8

• It is with crown
  of large pinnately compound
  leaves

Answer 8

Cycadophata

Question 9

Hardy,
deciduous tree, dioecious

Answer 9

Ginkgophyta

Question 10

needle-like leaves

Answer 10

Pinophata

Question 11

has no flowers but with
naked seed

Answer 11

Gymnosperm

Question 12

• has some root and leaflike structure

Answer 12

Bryophyta

Question 13

no seed

Answer 13

Cryptogram

Question 14

with seed

Answer 14

Phanerogram

Question 15

plant flowers without regard to duration of darkness;

Answer 15

Day neutral plants

Question 16

These are those that only bloom when the length of the day
exceeds a certain threshold

Answer 16

Long day plant

Question 17

These plants are those that only bloom when the length of
the day falls below a certain threshold

Answer 17

Short-day plants

Question 18

It is a result of plants’ reaction to light and dark intervals.
* It causes different fruiting seasons

Answer 18

Photoperiodism

Question 19

promotes flowers in some species; opposes some auxin effects;
promotes fruit ripening and abscission; promotes root formation

Answer 19

Ethylene

Question 20

promotes leaf aging; closes stomata during dry spells; helps
maintain seed dormancy; inhibits growth

Answer 20

Abscisic acid

Question 21

stimulate flowering, fruit development and seed germination;
promote bud development, stem elongation and leaf growth

Answer 21

Gibberelins

Question 22

• It stimulates germination; delay leaf aging; stimulates cell division
  and growth; affects root growth and differentiation

Answer 22

Cytokinin

Question 23

apical dominance; affect root growth differentiation and branching; retard
leaf abscission; stimulate stem elongation; development of fruit; phototropism
and gravitropism

Answer 23

Auxin

Question 24

It is the matured ovary which
contains the seed

Answer 24

Fruit

Question 25

All outer structures that surround the seed

Answer 25

Pericarp

Question 26

It is the innermost layer of the pericarp which surrounds a seed in a fruit

Answer 26

Endocarp

Question 27

It is the middle layer of the pericarp of a fruit, between the endocarp and the exocarp

Answer 27

Mesocarp

Question 28

- It is the outer layer of the pericarp of a fruit

Answer 28

Exocarp

Question 29

sarcotesta

Answer 29

Arila

Question 30

funicular end of the seed body

Answer 30

Chalaza

Question 31

food reserve tissue in seed derived from fertilized polar nuclei; or food reserve derived from megagametophyte in gymnosperm

Answer 31

Endosperm

Question 32

young sporophyte consisting of epicotyl, hypocotyl, radicle, and one or more cotyledons

Answer 32

Embryo

Question 33

- funicular scar on seed coat

Answer 33

Hilum

Question 34

hole through seed coat

Answer 34

Micropyle

Question 35

reserve in seed derived from diploid nucellus integuments

Answer 35

Perisperm food

Question 36

covering of seed outer protective

Answer 36

Seed coat

Question 37

on seed coat formed from adnate funiculus

Answer 37

Raphe ridge

Question 38

protective sheath around epicotyl in grasses

Answer 38

Coleoptile

Question 39

protective sheath around radicle in grasses

Answer 39

Coleorhiza

Question 40

embryonic leaf or leaves in seed

Answer 40

Cotyledon

Question 41

apical end of embryo axis that gives rise to shoot system

Answer 41

Epicotyl

Question 42

embryonic stem in seed, located below cotyledon

Answer 42

Hypocotyl

Question 43

embryonic leaves in seed, derived from epicotyl

Answer 43

Plumule

Question 44

basal end of embryo axis that gives rise to root system

Answer 44

Radicle

Question 45

shatters open when ripe

Answer 45

Dehiscent fruit

Question 46

It is a self-pollination where the transfer of pollen grains from the anther and stigma occurs within the same plant

Answer 46

Autogamy

Question 47

It is the type of selfpollination where the transfer of pollen grains from the anther to the stigma takes place between different flowers in the same plant.

Answer 47

Geitonogamy

Question 48

the transfer of pollen from the anther of one plant to the stigma of another plant

Answer 48

Xenogamy

Question 49

In the course of their life cycle, plant alternate between two separate life stages or generations: the gametophyte, a haploid stage, and the sporophyte, a diploid stage

Answer 49

Alternation of generaitons

Question 50

Plants utilize energy from the sun to convert light energy to chemical energy responsible for the production of glucose through photosynthesis

Answer 50

Producer

Question 51

Plant cells contain a clearly defined nucleus enclosed by a nuclear membrane and membrane bound organelles.

Answer 51

Eukaryotic

Question 52

Plants are organisms that exist as specialized groups of cells; cells are organized into tissues that perform the same function; tissues form organs and organs make up an organ system

Answer 52

Multicellular

Question 53

- These are tissues in which the cells remain forever young and divide actively throughout the life of the plant

Answer 53

Merismatic tissue