Lab Quiz 1 Name: _____________________

BioPl 243 TA: Pam White

Sect. 01

16 Sep 1998

This quiz is worth 20 points. There are 8 stations corresponding to 8 questions.

1. (5 points) Examples of inflorescence types:

Apply the correct terminology to describe any 5. Write your answer next to the appropriate letter (no extra credit for answering more than 5 correctly.....there may be more than one example of any particular inflorescence type).

A. Spike

B. Umbel

C. Compound Umbel

D. Raceme

E. Panicle

F. Cyme

G. Scorpioid Cyme
H. Head

I. Solitary

J. Raceme

K. Panicle

L. Cyme

M. Head

2. (2 points):(Tomato)

a. Name the fruit type: BERRY

b. Describe the pericarp (e.g. fleshy, leathery, stony,
etc.):FLESHY

3. (2 points): (Strawberry)

a. When you enjoy a strawberry, you eat the red fleshy part which is the

mature RECEPTACLE and the small, crunchy bits which
are ACHENES/FRUITS.

b. Is the strawberry an example of an aggregate or multiple
fruit? AGGREGATE
Explain your answer:
AGGREGATE = DERIVED FROM AN APOCARPOUS GYNOECIUM OF ONE FLOWER.
MULTIPLE = DERIVED FROM INFLORESCENCE BEARING MULTIPLE FLOWERS.

4. (1 point): (Poppy)
a. Name the fruit type:(poricidal) CAPSULE

 

5. (4 points): (Michelia)

a. What is the appropriate term to describe the margin of this leaf?
ENTIRE/UNDULATE

b. What term describes this smooth surface (no trichomes or hairs present)? GLABROUS

c. What is the term for the place on a stem that a leaf attaches (at pin)?
NODE

d. Is the leaf arrangement on this stem opposite, alternate or whorled? ALTERNATE

6. (1 point):Passion flower

a. What is the name of this modified plant part (at pin)?
TENDRIL

7. (3 points):Snapdragon

a. Describe the symmetry of this flower: ZYGOMORPHIC/BILATERAL

b. The stamens on this flower are fused to the petals, and are therefore: EPIPETALOUS/ADNATE

c. What is the placentation type of this ovary?
AXILE

8. (2 points):Lily

a. This flower has more than one carpel, and they are fused together. What term describes this type of gynoecium? SYNCARPOUS

b. What is one term that describes the position of the ovary relative to the sterile flower parts in this flower? SUPERIOR/HYPOGYNOUS