Life Science

Chapter 11: Plant Processes

Plant Processes

1.
Spinach is a plant that needs short nights to flower. It is a __________ plant.
A)long-day
B)day-neutral
C)nonvascular
D)short-day
2.
A geranium gets the water needed to survive through its __________.
A)leaves
B)roots
C)chlorophyll
D)stomata
3.
The reason most plant leaves look green is because of __________ in their cells.
A)water
B)chloroplasts
C)sugar
D)oxygen
4.
The hormone that helps plants conserve water is __________.
A)abscisic acid
B)antacid
C)ascorbic acid
D)hydrochloric acid
5.
Which of these is NOT a hormone that affects plant growth?
A)auxin
B)ethylene
C)mitochondrion
D)cytokinins
6.
Photosynthesis is a plant process used to __________.
A)release energy
B)produce offspring
C)copy chromosomes
D)store energy
7.
Carbon dioxide is involved in __________.
A)light-independent reactions
B)light-dependent reactions
C)photoperiods
D)thigmotropism
8.
Carbon dioxide enters a plant through its __________.
A)flowers
B)leaves
C)trunk
D)roots
9.
Respiration is important to most organisms because __________.
A)food energy is converted into a form for cell use
B)carbon dioxide is removed from the atmosphere
C)oxygen is removed from the atmosphere
D)it is an external stimulant
10.
You duck your head when a baseball is thrown toward your face. You are responding to __________.
A)hormones
B)pigments
C)an external stimulus
D)an internal stimulus
11.
A plant's response to touch is called __________.
A)photoperiodism
B)thigmotropism
C)light-independence
D)respiration
12.
You are traveling in Costa Rica and see many lettuce plants growing in fields. You conclude that lettuce is __________.
A)a long-day plant
B)a short-day plant
C)a nonvascular plant
D)a perennial plant
13.
You are outside admiring the flowers on a rose bush. Looking at the green leaves, the green light is __________ from chlorophyll.
A)reflected
B)dissolved
C)filtered
D)mutated
14.
__________ is the process that breaks down food molecules and releases energy.
A)Photoperiodism
B)Meiosis
C)Photosynthesis
D)Respiration
15.
Small openings on the epidermis of plant leaves are called __________.
A)bark
B)vapor
C)stomata
D)waste
16.
The process where light energy is trapped in a plant's chlorophyll and produces sugars is called __________.
A)respiration
B)mitosis
C)photosynthesis
D)acceleration
17.
Auxin is a hormone that causes plants to respond to __________.
A)positive gravitropism
B)negative gravitropism
C)negative phototropism
D)positive phototropism
18.
Positive phototropism can cause plant leaves to change growing patterns and __________.
A)grow towards a touch stimulus
B)become day-neutral plants
C)stop making new cells
D)grow towards a light source
19.
A vine growing up the wall outside your classroom is an example of a response to __________.
A)positive phototropism
B)aerobic respiration
C)thigmotropism
D)negative gravitropism
20.
Aerobic respiration takes place in which organelle?
A)mitochondrion
B)nucleus
C)cell wall
D)endoplasmic reticulum