Unit 9 - Quiz 3

Question 1

Directions: True or false? If false, correct the statement.

Leaves vary in shapes and sizes.

Answer 1

True

Question 2

What is the most important function of a leaf?

Answer 2

To make food through the process of photosynthesis

Question 3

Leaf cells are arranged in ________, allowing the leaf to work _____________.

Answer 3

layers, efficiently

Question 4

What layer of this leaf has been removed?

Answer 4

Upper epidermis

Question 5

The __________ layer in a plant leaf is responsible for photosynthesis, containing ______________ that capture light energy and convert it into chemical.

Answer 5

palisade, chloroplasts

Question 6

Directions: True or false? If false, correct the statement.

The palisade layer in a plant leaf is positioned just beneath the upper epidermis to maximize light absorption.

Answer 6

True

Question 7

Answer 7

Palisade layer

Question 8

The xylem and phloem are the two vascular tissue that run through the ______ layer.

Answer 8

spongy

Question 9

There are a lot of loosely packed cells with _____ spaces in the spongy layer. These spaces allow for the exchange of gases, such as ________ and carbon dioxide, which are vital for photosynthesis and respiration in the plant.

Answer 9

air, oxygen

Question 10

Answer 10

Spongy layer

Question 11

What do guard cells and stomata do?

Answer 11

They regulate gas exchange and water loss in plants. The guard cells surround and control the opening and closing of the stomata, which are small pores near the lower epidermis of leaves.

Question 12

Directions: True or false? If false, correct the statement.

The upper epidermis of leaves is usually not transparent.

Answer 12

False. The upper epidermis of leaves is usually transparent to allow light to penetrate and reach the paliside layer.

Question 13

Possibility of being a bonus question.

Being as specific as possible, where does photosynthesis take place?

Answer 13

In the grana of the chloroplasts, which are found in the palisade layer

Question 14

Flowers contain a plant’s _____________ organs, which are the stamen and the ________.

Answer 14

reproductive, pistil

Question 15

Why do most flowers contain sweet scents and have bright colorings?

Answer 15

To attract bees for pollination

Question 16

Directions: After being provided the definition, name the term.

The movement of pollen from the anther of one plant (male reproductive part) to the stigma of another (female reproductive part).

Answer 16

pollination

Question 17

Directions: Answer the statement with the best available option.

Part of a flower eventually turns into a…

A. pistil
B. stamen
C. sepal
D. fruit

Answer 17

D. fruit

Question 18

The stamen is the basic name for the male reproductive part of a flower. What two parts can the stamen be broken down into?

Answer 18

1. The anther
2. The filament

Question 19

Fill in the blanks:

The ________ is the first part of the stamen. It is where the ________ is actually produced.

Answer 19

anther, pollen

Question 20

What does the filament do in flowers?

Answer 20

It is the base of the stamen, and helps it stay upright

Question 21

In a plant, the female pistil is more complicated than its male counterpart. How many different parts does it have?

Answer 21

four

Question 22

The ________ is the receptive surface of a flower, where pollen grains land.

Answer 22

stigma

Question 23

Possibility of being a bonus question.

The style is sometimes also called what?

Answer 23

The pollen tube

Question 24

What is the main job of the style?

Answer 24

To connect the stigma to the ovary of a flower

Question 25

List the two main actions that the ovary performs.

Answer 25

1. The ovary contains one or more ovules, protecting and nourishing them.
2. Once fertilization has taken place, the ovary develops into a fruit.

Question 26

Pertaining to female plant structures, where are the eggs located?

Answer 26

Inside the ovules

Question 27

After fertilization, the fertilized _____ within the ovule develops into an embryo. The ovule itself develops into a ______.

Answer 27

egg, seed

Question 28

Directions: After being provided the role, name the plant part.

• Protects the flower during its bud stage
• Supports the petals
• Plays a role in attracting pollinators

Answer 28

sepal

Question 29

What is the lowest (base) part of a flower stem?

Answer 29

The receptacle