Download BioD Exam Plants Structure and Function

Biodiversity and Laboratory Concepts
Exam Properties of Water, Biomass Pyramids and Carbon Cycle
Multiple Choice
Identify the choice that best completes the statement or answers the question.
Reproductive Parts of Plants:
1.
Your body’s cells are organized by function. Groups of cells that
work together to perform a specialized function are called
a.
Organs.
b.
Tissues.
c.
Seeds.
2.
What is a fruit?
a.
A ripened plant ovary
b.
the male part of a plant
c.
a root that stores sugar
3.
The two main groups of flowering plants are based on seed type
these are
a.
Monocots and biocots.
b.
Monocots and polycots.
c.
Monocots and dicots.
4. Pollination occurs when pollen meets
a. Male reproductive parts of the same species.
b. Female reproductive parts of the same species.
c. Female reproductive parts of a different species.
5. How many seed leaves do monocots have?
a. 1
b. 2
c. 3
6. What is inside of a seed?
a. A water supply
b. A photosynthetic leaf
c. A plant embryo and a food supply
7. How would flowering plants be affected if bees and butterflies became less common?
a. They would produce less pollen.
b. They would be pollinated more often.
c. They would be pollinated less often.
Biodiversity and Laboratory Concepts
8. What happens during germination?
a. A seed becomes dormant.
b. An embryo grows into a seedling.
c. Egg and sperm join.
9. What is the endosperm?
a. A food supply for a developing plant embryo.
b. The egg that has been fertilized b y a sperm
c. The female part of the plant.
10. When a plant embryo inside a seed has stopped growing, the seed is said to be in a state of
a. Extinction.
b. Dormancy.
c. Germination.
Vascular Tissue
11. Plants that do not contain wood are known as
a. Annual plants.
b. Biennial plants.
c. Herbaceous plants.
12. Which answer choice describes the direction in which sugars are most
commonly transported by the vascular system?
a. A to B to C.
b. C to B to A.
c. C to B to A.
13. What substances most commonly move in the direction from C to A?
a. Mineral nutrients and sugars
b. Water and sugars
c. Water and mineral nutrients
14. The property of water that helps it climb up the sides of the xylem
tubes is called
a. Adhesion.
b. Respiration.
c. Transpiration.
15. In humans, the circulatory system moves resources to difference parts of the body. Which the analogous system in
plants?
a. The reproductive system
b. The photosynthetic system
c. The vascular system
Biodiversity and Laboratory Concepts
16. Cohesion is a result of hydrogen bonds that form between
a. Water molecules.
b. Water and xylem wall.
c. Water and phloem wall.
17. The diagram is a cross section through a tree. What does each ring represent?
a. One winter of growth
b. Once year of growth
c. Ten years of growth
18. What can you infer from a thick annual ring inside a thin annual ring in a tree
trunk?
a. Low precipitation followed by high precipitation
b. A short spring followed by a very cold winter
c. Good conditions followed by harsher conditions
19.
Which property of water is illustrated in the picture?
a.
cohesion
b.
photosynthesis
c.
germination
Leaves
20. What would happen if you removed the cuticle from a plant’s leaves?
a. The leaves would absorb more water and grow better
b. The leaves would dry out and the plant would die.
c. The leaves would be unable to exchange gases.
21. In which part of a plant does most photosynthesis take place?
a. Flower
b. Leaf
c. Roots
22. Water vapor escapes from plants by the process of
a. Capillary action.
b. Transpiration.
c. Cohesion.
Biodiversity and Laboratory Concepts
23. Most leaves have a broad, flat part called
a. Blade.
b. Petiole.
c. Stem.
24. The function of guard cells is to
a. Keep carbon dioxide out.
b. Carry out photosynthesis.
c. Open and close the stomata.
25. The blade of a leaf is connected to the stem by a thin stalk called a
a. Cuticle.
b. Bud.
c. Petiole
26. The upper surfaces of leaves are used mainly for
a. Light gathering.
b. Gas exchange.
c. Collecting water.
27. Which drawing showed a compound leaf?
a. A
b. B
c. C
28. Which drawing showed a simple leaf?
a. A
b. B
c. C
Roots
29. Root hairs anchor plants and help them absorb water by
a. Protecting the growing part of the root.
b. Increasing the root’s surface area.
c. Lengthening the tips of the roots.
30. The growing end of the root is covered with a root cap. Its purpose is to
a. Increase the surface area for water and nutrient absorption.
b. Protect the growing end as it moves through the soil.
c. Store sugar.