Choose the One Most Appropriate Answer for Each

question 44

Multiple Choice

Choose the one most appropriate answer for each.
-ovule

• A)radially asymmetric flower
• B)an inflorescence of many flowers clustered on a single head, such as in a daisy
• C)develops into a fruit at maturity
• D)created from a triploid cell that is produced when one sperm cell fuses with the central cell
• E)male reproductive organ in angiosperms
• F)modified leaf with pigments and fragrance-producing cells
• G)immature male gametophyte
• H)female reproductive organ
• I)common name for a fused compound of multiple female reproductive organs
• J)contains pollen sacs
• K)forms in an ovule and gives rise to a female gametophyte
• L)outermost whorl of leaf parts on a receptacle; generally green, but sometimes pigmented
• M)region of carpel that receives pollen grains
• N)arrival of pollen on a receptive stigma
• O)forms a seed at maturity

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Definitions:

Coefficient of Correlation

A statistical measure that calculates the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

Independent Variable

The factor in an experiment that is deliberately manipulated to observe its effect on a dependent variable.

Aerobic Work-Out

Exercise that involves or improves oxygen consumption by the body, promoting cardiovascular health.

Operational Definition

A clear, precise criteria for measuring a variable or concept within an experiment, ensuring that the variable is quantifiable and the experiment replicable.