Plant Anatomy and Photosynthesis Quiz

Test your knowledge of plant physiology with questions on tissue types, photosynthesis, stomata, chlorophyll, and more.

#1

Which of the following is not a primary tissue type in plants?

Epidermis
Xylem
Phloem
Mesophyll
#2

Where does photosynthesis primarily occur in a plant cell?

Mitochondria
Nucleus
Chloroplasts
Golgi apparatus
#3

What is the role of chlorophyll in photosynthesis?

Absorbing sunlight
Transporting water
Producing oxygen
Breaking down glucose
#4

Which of the following is not a factor affecting the rate of photosynthesis?

Light intensity
Temperature
Carbon dioxide concentration
Oxygen concentration
#5

Which part of the plant cell contains the pigment chlorophyll?

Cell wall
Vacuole
Chloroplast
Nucleus
#6

What is the primary role of the root hairs in a plant?

Photosynthesis
Gas exchange
Anchoring the plant
Absorbing water and nutrients
#7

Which organelle is responsible for the synthesis of sugars during photosynthesis?

Golgi apparatus
Endoplasmic reticulum
Chloroplast
Mitochondrion
#8

What is the primary function of stomata in a leaf?

Absorb water
Exchange gases
Transport nutrients
Produce sugars
#9

Which molecule is the primary product of the Calvin cycle during photosynthesis?

Glucose
ATP
NADPH
G3P (Glyceraldehyde-3-phosphate)
#10

Which plant tissue is responsible for secondary growth?

Epidermis
Xylem
Cambium
Phloem
#11

What is the primary function of the palisade mesophyll in a leaf?

Gas exchange
Water storage
Photosynthesis
Protection from pathogens
#12

Which structure is responsible for the opening and closing of stomata?

Guard cells
Xylem vessels
Phloem tubes
Pollen grains
#13

What is the main purpose of the spongy mesophyll in a leaf?

Water storage
Gas exchange
Photosynthesis
Supporting leaf structure
#14

In C3 plants, where does the Calvin cycle take place?

Stroma of the chloroplasts
Thylakoid membrane
Cytoplasm
Nucleus
#15

What is the role of xylem in plants?

Transporting water and minerals
Producing sugars
Regulating gas exchange
Supporting the plant structure
#16

What is the significance of the light-dependent reactions in photosynthesis?

They produce ATP and NADPH
They fix carbon dioxide
They synthesize glucose
They release oxygen
#17

What are the two main products of the light-dependent reactions in photosynthesis?

Glucose and oxygen
ATP and NADPH
Carbon dioxide and water
Glyceraldehyde-3-phosphate and ADP
#18

Which molecule serves as the final electron acceptor in the electron transport chain during photosynthesis?

NADP+
Oxygen
ATP
CO2

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