Choose the One Most Appropriate Answer for Each

question 29

Multiple Choice

Choose the one most appropriate answer for each.
-petal

• 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:

CNS

The central nervous system, consisting of the brain and spinal cord, responsible for processing and sending out nerve signals.

Serotonin

A neurotransmitter involved in many functions including mood regulation, appetite, and sleep.

Illicit Drug

A substance whose production, sale, or use is prohibited by law.

Marijuana

Marijuana, also known as cannabis, is a psychoactive drug from the Cannabis plant used for medical or recreational purposes.