INTRODUCTION TO PLANT GROWTH AND DEVELOPMENT (1)

Question 1

an irreversible increase in mass, weight, or volume of a living organism or cell

Answer 1

growth

Question 2

stages of cellular growth

Answer 2

cell division
cell enlargement
cell differentiation

Question 3

the number of cell increase due to mitosis

Answer 3

cell division

Question 4

the size of individual cell increases after cell division due to increase in the volume of its protoplasm

Answer 4

cell enlargement

Question 5

in this stage, structure of the cell changes to perform specific functions

Answer 5

cell differentiation

Question 6

plant growth in which it grow to a certain size and then stop growing due to presence of terminal inflorescence

Answer 6

determinate growth

Question 7

plant growth in which the main stem continues to elongate indefinitely without being limited by a terminal inflorescence

Answer 7

indeterminate growth

Question 8

growth can be measured by

Answer 8

fresh weight
dry weight
length
area

Question 9

mathematical expression of environmental effects on growth and development if crop plants

Answer 9

growth analysis

Question 10

indicates the change in dry matter accumulation over a period of time

Answer 10

crop growth rate

Question 11

slope of a curve that represents logarithmic growth over a period of time
used to quantify the speed of plant growth

Answer 11

relative growth rate

Question 12

directly indicates the rate of net photosynthesis

Answer 12

net assimilation rate

Question 13

rate of increase of total dry weight per plant
simplest index of plant growth

Answer 13

absolute growth rate

Question 14

ratio between leaf area to ground area

Answer 14

leaf area index

Question 15

measure of a crop’s ability to produce leaf area on a unit area of land throughout its life

Answer 15

leaf area duration

Question 16

development denotes

Answer 16

phasic change

Question 17

developmental stages

Answer 17

germination and emergence
seedling growth
maximum vegetative growth stage
primordial differentiation
flowering stage
fruit growth
fruit maturity
physiological maturity
harvest maturity

Question 18

growth phases

Answer 18

vegetative
reproduction
ripening

Question 19

can be estimated by counting number of leaves on tagged plants at periodical intervals

Answer 19

leaf production rate

Question 20

rate at which panicle emerges from the leaf sheath

Answer 20

panicle emergence rate

Question 21

indicates synchronous flowering

Answer 21

rate of flowering

Question 22

number of days in which 50% of the plant flowers

Answer 22

days to 50% flowering

Question 23

number of days in which plants attain maturity

Answer 23

days to maturity

Question 24

2 types of maturity

Answer 24

physiological
harves