About this Study Set
This study set covers Botany through
20 practice questions.
A challenging assessment of plant biology, physiology, and classification for middle school students. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 20 questions from the
Advanced Botany Concepts study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which specialized plant tissue is responsible for the transport of sucrose from the leaves to other parts of the plant?
-
A
Xylem
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B
Phloem
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C
Cambium
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D
Parenchyma
2
In the alternation of generations, what is the diploid stage of a moss plant called?
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A
Gametophyte
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B
Prothallus
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C
Sporophyte
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D
Archegonium
3
Which plant hormone is primarily responsible for the ripening of fruit and the dropping of leaves?
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A
Ethylene
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B
Gibberellin
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C
Cytokinin
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D
Auxin
4
What is the term for the waxy, waterproof layer on the surface of a leaf that reduces water loss?
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A
Stomata
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B
Cuticle
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C
Mesophyll
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D
Epidermis
5
Which chemical compound is the primary byproduct released during the light-dependent reactions of photosynthesis?
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A
Carbon dioxide
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B
Glucose
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C
Oxygen
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D
Adenosine triphosphate
6
In which part of the flower does the process of double fertilization occur?
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A
Stigma
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B
Anther
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C
Ovary
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D
Filament
7
Which type of plant lacks true vascular tissue and reproduces via spores?
-
A
Angiosperm
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B
Gymnosperm
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C
Bryophyte
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D
Pteridophyte
8
What is the primary function of the root cap in a plant's root system?
-
A
Absorption of water
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B
Storage of starch
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C
Protection of the apical meristem
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D
Photosynthesis
9
Which process involves the movement of water vapor out of a plant's leaves through the stomata?
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A
Transpiration
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B
Respiration
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C
Guttation
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D
Translocation
10
What are the specific openings on the underside of a leaf that allow for gas exchange?
-
A
Lenticels
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B
Stomata
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C
Trichomes
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D
Guard cells
11
Which class of plants is characterized by having seeds that are not enclosed within an ovary or fruit?
-
A
Angiosperms
-
B
Gymnosperms
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C
Bryophytes
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D
Monocots
12
Which pigment is primarily responsible for absorbing blue and red light for photosynthesis?
-
A
Carotenoid
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B
Anthocyanin
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C
Chlorophyll
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D
Xanthophyll
13
What is the function of the endosperm in a seed?
-
A
Protecting the embryo
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B
Providing nutrients to the developing embryo
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C
Facilitating seed dispersal
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D
Regulating water intake
14
Which soil horizon contains the highest concentration of organic matter and is commonly known as topsoil?
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A
O horizon
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B
A horizon
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C
B horizon
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D
C horizon
15
In plant cell division, what structure forms across the middle of the cell to eventually become the cell wall?
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A
Cleavage furrow
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B
Cell plate
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C
Centrosome
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D
Spindle fiber
16
Which group of plants is known for having parallel leaf venation and floral parts in multiples of three?
-
A
Dicots
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B
Monocots
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C
Gymnosperms
-
D
Pteridophytes
17
What is the term for a plant that completes its life cycle within a single growing season?
-
A
Perennial
-
B
Biennial
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C
Annual
-
D
Deciduous
18
Which plant tissue is responsible for secondary growth, increasing the diameter of woody stems?
-
A
Apical meristem
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B
Vascular cambium
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C
Ground tissue
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D
Dermal tissue
19
Which mineral element is a central component of the chlorophyll molecule?
-
A
Magnesium
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B
Iron
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C
Calcium
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D
Potassium
20
What is the specialized root structure in parasitic plants that penetrates the host tissue to extract nutrients?
-
A
Rhizome
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B
Tuber
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C
Haustorium
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D
Stolon
