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Plant Anatomy and Photosynthesis Quiz

#1

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

Mesophyll
Explanation

Mesophyll is a leaf tissue, not a primary tissue type in plants.

#2

Where does photosynthesis primarily occur in a plant cell?

Chloroplasts
Explanation

Photosynthesis primarily occurs in the chloroplasts of plant cells.

#3

What is the role of chlorophyll in photosynthesis?

Absorbing sunlight
Explanation

Chlorophyll in photosynthesis plays a key role in absorbing sunlight.

#4

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

Oxygen concentration
Explanation

Oxygen concentration is not a factor affecting the rate of photosynthesis.

#5

Which part of the plant cell contains the pigment chlorophyll?

Chloroplast
Explanation

Chlorophyll is contained in the chloroplasts of plant cells.

#6

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

Absorbing water and nutrients
Explanation

Root hairs in a plant primarily function in absorbing water and nutrients.

#7

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

Chloroplast
Explanation

The chloroplast is responsible for the synthesis of sugars during photosynthesis.

#8

What is the primary function of stomata in a leaf?

Exchange gases
Explanation

Stomata in a leaf primarily function to facilitate the exchange of gases.

#9

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

G3P (Glyceraldehyde-3-phosphate)
Explanation

G3P is the primary product of the Calvin cycle in photosynthesis.

#10

Which plant tissue is responsible for secondary growth?

Cambium
Explanation

Cambium is the plant tissue responsible for secondary growth.

#11

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

Photosynthesis
Explanation

The palisade mesophyll in a leaf primarily functions in photosynthesis.

#12

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

Guard cells
Explanation

Guard cells are responsible for the opening and closing of stomata.

#13

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

Gas exchange
Explanation

The spongy mesophyll in a leaf mainly facilitates gas exchange.

#14

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

Stroma of the chloroplasts
Explanation

In C3 plants, the Calvin cycle takes place in the stroma of the chloroplasts.

#15

What is the role of xylem in plants?

Transporting water and minerals
Explanation

Xylem in plants is responsible for transporting water and minerals.

#16

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

They release oxygen
Explanation

Light-dependent reactions in photosynthesis release oxygen as a byproduct.

#17

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

ATP and NADPH
Explanation

The two main products of light-dependent reactions in photosynthesis are ATP and NADPH.

#18

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

Oxygen
Explanation

Oxygen serves as the final electron acceptor in the electron transport chain during photosynthesis.

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