WorksheetsLambert Biology
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Which of the following are responsible for transpiration?
I. adhesion
II. cohesion
III. evaporation
IV. active transport
I. adhesion
II. cohesion
III. evaporation
IV. active transport
a)
I and II only
b)
I, II and III only
c)
I, and III only
d)
I, II, III and IV
2.
Which factor will decrease the rate of transpiration?
a)
Wind
b)
Temperature
c)
Light intensity
d)
Humidity
3.
What hormone is responsible for the closing of stomata?
a)
Abscisic Acid
b)
GA (Gibberellin)
c)
Auxin
d)
Phytochrome
4.
What is a halophyte?
a)
Aquatic dwelling Plant
b)
Arid dwelling Plant
c)
Salt dwelling plant
d)
Air dwelling plant
5.
Which of the following is an adaptation of a xerophyte?
a)
reduced roots
b)
hairy leaves
c)
many stomata
d)
thin cuticle
6.
Which of the following play a role in stomata closing?
a)
K+ pumped out of guard cell; low levels of Abscisic Acid
b)
K+ is pumped out of guard cells; high levels of Abscisic Acid
c)
K+ is pumped into guard cells; low levels of Abscisic Acid
d)
K+ is pumped into guard cells; high levels of Abscisic Acid
7.
Which cells are found in xylem?
a)
Tracheids
b)
Sieve Tubes
c)
Companion cells
d)
Cambium cells
8.
How do minerals enter into plant cells?
I. Active transport
II. Bulk flow (with water)
III. Transport by Phloem
I. Active transport
II. Bulk flow (with water)
III. Transport by Phloem
a)
I only
b)
I and II only
c)
I, II and III
d)
II and III only
9.
What BEST defines adhesion.
a)
Water molecules bonding to each other due to the hydrophobic nature of water.
b)
Water molecules bonded to other other surfaces due to the transparency of water.
c)
Water molecules sticking to each other due to the polarity of water.
d)
Water molecules sticking to other surfaces due to the polarity of water.
10.
Why do plants need to open stomata?
I. To get rid of excess CO2
II. To allow transpiration
III. To exchange gases with the environment
I. To get rid of excess CO2
II. To allow transpiration
III. To exchange gases with the environment
a)
I only
b)
I and II only
c)
II and III only
d)
I, II and III
100 %
