SCCS Life Science Name:
Photosynthesis and Cell Respiration Class and Period:
Date:
1. A geranium gets the water needed to survive through its ______.
A) leaves
B) roots
C) stomata
D) chlorophyll
2. Carbon dioxide enters a plant through its ______.
A) roots
B) leaves
C) trunk
D) flowers
3. The outer layer of a leaf is called the ______.
A) seed
B) trunk
C) muscle
D) epidermis
4. Small openings on the epidermis of plant leaves are called ______.
A) bark
B) stomata
C) waste
D) vapor
5. When a plant is losing too much water, it can ______its stomata.
A) multiply
B) dissolve
C) open
D) close
6. The reason most plant leaves look green is because of ______in their cells.
A) sugar
B) water
C) oxygen
D) chloroplasts
7. You are outside admiring the flowers on a rose bush. Looking at the green leaves, the green light is ______from chlorophyll.
A) mutated
B) filtered
C) dissolved
D) reflected
8. The process where light energy is trapped in a plant's chlorophyll and produces sugars is called ______.
A) mitosis
B) acceleration
C) photosynthesis
D) respiration
9. Chlorophyll and other pigments are involved in ______.
A) light-dependent reactions
B) light-independent reactions
C) respiration
D) gravitropism
10. Carbon dioxide is involved in ______.
A) light-dependent reactions
B) thigmotropism
C) photoperiods
D) light-independent reactions
11. Plant photosynthesis helps humans because ______.
A) the process adds carbon dioxide to the atmosphere
B) the process adds nitrogen to the atmosphere
C) the process adds oxygen to the atmosphere
D) the process removes oxygen from the atmosphere
12. Aerobic respiration takes place in which organelle?
A) cell wall
B) endoplasmic reticulum
C) mitochondrion
D) nucleus
13. ______is the process that breaks down food molecules and releases energy.
A) Meiosis
B) Photosynthesis
C) Photoperiodism
D) Respiration
14. 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
15. Photosynthesis is a plant process used to ______.
A) release energy
B) store energy
C) produce offspring
D) copy chromosomes