Seed

Question 1

produces a number of cells which organized into tissues and organs

Answer 1

zygote

Question 2

the sum of two processes growth and differentiation

Answer 2

development

Question 3

an important biological phenomenon whereby cells regress from a specialized function to a simpler state reminiscent of stem cells

Answer 3

dedifferentiation

Question 4

after mitotic cell division, only one daughter cell continues to divide while others differentiate or mature

Answer 4

arithmetic growth

Question 5

phytohormones

Answer 5

auxins, gibberellins, cytokinins, abscisic acid, and ethylene

Question 6

when a leaf guard cells shrink, it’s stomata open and water is lost

Answer 6

transpiration

Question 7

to put together with light

Answer 7

photosynthesis

Question 8

formula of photosynthesis

Answer 8

carbon dioxide + water + sunlight = sugar + oxygen

Question 9

discovered cytokinins

Answer 9

skoog and miller

Question 10

growth promoters

Answer 10

auxins, gibberellins, cytokinins

Question 11

growth inhibitors

Answer 11

abscisic acid, ethylene

Question 12

involves study of the control and coordination of processes in cells organs and whole plants

Answer 12

plant growth and development

Question 13

factors affecting photosynthesis

Answer 13

light, water, carbon dioxide, temperature

Question 14

discovered giberelins

Answer 14

kurosawa

Question 15

the shoot apical meristem repeatedly forms units

Answer 15

pythomere

Question 16

initial growth is low followed by a rapid increase in growth and followed by a phase for growth slows down

Answer 16

geometric growth

Question 17

measurement of growth

Answer 17

• increase in length or growth
• increase in area or volume
• increase in the number of cells

Question 18

a program in which the function of organ or whole plant naturally declines to death

Answer 18

senescence

Question 19

a term that includes all changes that an organism goes through during its life cycle from germination of the seed to senescence

Answer 19

development

Question 20

main characteristics of growth

Answer 20

cellular growth, cell division, cell expansion, cellular differentiation

Question 21

the chemical process by which sugars and starches are converted to energy is called oxidation and is similar to the burning of food or coal to produce heat

Answer 21

respiration

Question 22

formula of respiration

Answer 22

glucose + oxygen = carbon dioxide + water + energy

Question 23

discovered auxins

Answer 23

charles darwin and francis darwin

Question 24

an irreversible permanent increase in size volume or mass of a cell or organ or whole organism

Answer 24

growth

Question 25

the ability of plant to follow different pathways and produce different structures in response to environment and phases of life

Answer 25

plasticity

Question 26

the phenomenon of appearance of different forms of leaves on the same plant

Answer 26

heterophylly

Question 27

types of growth

Answer 27

primary and secondary growth

Question 28

new cells produce again lose the power of division and become a part of permanent tissue

Answer 28

redifferentiation

Question 29

callus is produced from explants

Answer 29

indirect somatic embryogenesis

Question 30

terminal event of embryogenesis

Answer 30

maturation

Question 31

the embryos initiate directly from explants in the absence of callos formation

Answer 31

direct somatic embryogenesis

Question 32

refers to the process of development of plant embryos being either asexual or asexual reproductive process that forms new plants

Answer 32

plant embryogenesis

Question 33

types of plant propagation

Answer 33

• asexual propagation
• sexual propagation
• artificial propagation

Question 34

testing the viability of seed

Answer 34

• seeds scarification
• rugdoll method