Perpetuation of Life

Question 1

• period from birth to the natural death of an organism

Answer 1

Life Span

Question 2

• immature, rapid development phase of an organism

Answer 2

Juvenile

Question 3

• mature, capable of producing sex cells or reproduce phase of an organism

Answer 3

Reproductive

Question 4

• phase of an organism where condition deteriorates with age, loss of cell’s capacity to grow and divide

Answer 4

Senescence

Question 5

• ability to produce new living organisms
• ensures the survival of the species

Answer 5

Reproduction

Question 6

• genes are passed from parents to offspring

Answer 6

Heredity

Question 7

• chromosomes carry the unit of heredity called genes

Answer 7

• Chromosomal Theory of Inheritance

Question 8

• arranged, compacted long DNA strand which carries genetic information

Answer 8

Chromosome

Question 9

• a segment of DNA that codes for a specific protein

Answer 9

Gene

Question 10

Amount of pairs or pieces of chromosomes in humans

Answer 10

23 pairs or 46 pcs

Question 11

• involves two organisms
• gametes are produced via meiosis
• somatic cells developed via mitosis
• offspring shows genetic variation
• number of offsprings produced is less

Answer 11

Sexual Reproduction

Question 12

• involves one organism
• no gametes (sex cells) are produced
• somatic cells (body cells) are divided via mitosis
• offsprings are genetically identical to parents
• large number of organisms can be produced in a short period of time

Answer 12

Asexual Reproduction

Question 13

• type of asexual reproduction (plants and animals)
• splitting of the cell by mitosis
• entire cell becomes a reproductive unit
• unicellular animals like Amoeba and Paramecium
• in multiple _______, daughter cells are called spores

Answer 13

Fission (Binary/Multiple)

Question 14

• type of asexual reproduction (plants and animals)
• offspring grows out of the body of the parent

Answer 14

Budding

Question 15

• type of asexual reproduction (plants and animals)
• occurs when the body of the parent breaks into distinct pieces, each being able to produce an offspring

Answer 15

Fragmentation

Question 16

• type of asexual reproduction
• if a piece of a parent is detached, it can grow and develop into a completely new individual

Answer 16

Regeneration

Question 17

• type of asexual reproduction
• a female animal produces eggs that develop without being fertilized

Answer 17

Parthenogenesis

Question 18

• type of sexual reproduction
• the fusion of male and female gametes / union of the sperm and egg cells
• internal and external

Answer 18

Fertilization

Question 19

• type of sexual reproduction
• the condition of having both male and female reproductive organs

Answer 19

Hermaphroditism

Question 20

• asexual reproduction (plants)
• reproductive cells can germinate into new individuals without fertilization
• carried by air and water

Answer 20

Spore Formation

Question 21

• asexual reproduction (plants)
• takes place through fragmentation or by special asexual structures (tubers, stolons, rhizomes, corms, and bulbs).
• develops specialized structures to form new plants that are identical to them
• natural or artificial

Answer 21

Vegetative Reproduction

Question 22

• type of reproduction in plants from its vegetative parts or specialized structures
• type of vegetative reproduction

Answer 22

Natural

Question 23

• type of vegetative reproduction
• leaves, roots, or stems, are cut, leading them to grow and become new plants if kept under proper environmental conditions

Answer 23

Artificial

Question 24

• above the ground runner
• a slender lateral branch
• originates from underground
• grows horizontally outwards

Answer 24

Stolon

Question 25

• underground runner
• modified stem for storage and reproduction

Answer 25

Rhizomes

Question 26

• enlarged structures used as food storage

Answer 26

Tubers

Question 27

• short stems
• encased in fleshy leaves
• leaves are swollen with stored food

Answer 27

Bulbs

Question 28

• thicker stem, thinner leaves
• gladiolus

Answer 28

Corm

Question 29

• small, young plants that grow on leaf margins

Answer 29

Plantlets

Question 30

• a piece of stem or root that can grow to a new plants
• Artificial

Answer 30

Cutting

Question 31

• part of aerial stem grows roots then detaches as an independent plant
• artificial

Answer 31

Layering/Marcotting

Question 32

• process of transplanting living tissue from one plant to another
• artificial

Answer 32

Grafting

Question 33

• kind of grafting in which the scion is a bud
• artificial

Answer 33

Budding

Question 34

• seedlings is produced from individual plant cells grown in a laboratory
• artificial

Answer 34

Tissue Culture

Question 35

• produces pollen in male organs

Answer 35

Anther

Question 36

• elongated stalk

Answer 36

Filament

Question 37

• receives pollen in female organs

Answer 37

Stigma

Question 38

• connection

Answer 38

Style

Question 39

• where eggs (ovule) are located

Answer 39

Ovary

Question 40

• transfer of pollen from anther to stigma

Answer 40

Pollination

Question 41

• within the same flower
• bisexual / hermaphrodite plant

Answer 41

Self-Pollination

Question 42

• from one flower to another flower
• monoecious and dioecious plants

Answer 42

Cross pollination

Question 43

• petals are colored and scented
• pollens stick to animals
• stigma is stick to retain the pollens

Answer 43

Animal Pollination

Question 44

• petals are small, green, and has no scent
• anthers are exposed outside
• lightweight pollen grains

Answer 44

Wind pollination