Question 1

What do you call the tiny pores on leaves used for gas exchange?

Accepted Answer

Stomata

Answer

Xylem

Answer

Cortex

Answer

Cuticle

Question 2

Which part of a plant transports nutrients from the leaves to other parts?

Accepted Answer

Phloem

Answer

Xylem

Answer

Root hairs

Answer

Petiole

Question 3

What substance forms the rigid outer layer of a plant cell?

Accepted Answer

Cellulose

Answer

Starch

Answer

Protein

Answer

Lipid

Question 4

How do plants typically attract pollinators?

Accepted Answer

By emitting odors

Answer

By shedding leaves

Answer

By growing roots

Answer

By closing their petals

Question 5

What type of plant tissue covers the outer surface of the plant?

Accepted Answer

Epidermal

Answer

Vascular

Answer

Meristematic

Answer

Ground

Question 6

What term describes a plant that loses its leaves at the end of the growing season?

Accepted Answer

Deciduous

Answer

Evergreen

Answer

Annual

Answer

Perennial

Question 7

What function do root nodules perform in legumes?

Accepted Answer

Fix nitrogen from the air

Answer

Release oxygen

Answer

Absorb water

Answer

Store nutrients

Question 8

What part of a plant absorbs light energy used for photosynthesis?

Accepted Answer

Leaves

Answer

Flowers

Answer

Stems

Answer

Roots

Question 9

What is a plant's growth response to touch called?

Accepted Answer

Thigmotropism

Answer

Phototropism

Answer

Geotropism

Answer

Hydrotropism

Question 10

In which layer of a leaf does photosynthesis primarily occur?

Accepted Answer

Mesophyll

Answer

Xylem

Answer

Epidermis

Answer

Cuticle

Question 11

What do you call a seed's initial growth and sprouting?

Accepted Answer

Germination

Answer

Maturation

Answer

Pollination

Answer

Fertilization

Question 12

What structure in the plant's leaf controls the opening and closing of stomata?

Accepted Answer

Guard cells

Answer

Root cells

Answer

Flower cells

Answer

Seed cells

Question 13

What is the purpose of a plant's flowers?

Accepted Answer

Both A and C

Answer

To attract insects

Answer

To produce seeds

Answer

To absorb nutrients

Question 14

Which plant group includes pines and firs?

Accepted Answer

Gymnosperms

Answer

Mosses

Answer

Angiosperms

Answer

Ferns

Question 15

What type of roots do orchids have?

Accepted Answer

Aerial roots

Answer

Fibrous roots

Answer

Adventitious roots

Answer

Taproots

Question 16

What is the fruit's role in a plant's life cycle?

Accepted Answer

To protect and help disperse seeds

Answer

To attract predators

Answer

To store nutrients

Answer

To produce flowers

Question 17

Which part of the plant is involved in absorbing sunlight for photosynthesis?

Accepted Answer

Leaf

Answer

Stem

Answer

Flower

Answer

Root

Question 18

How do plants primarily reproduce?

Accepted Answer

Through seeds

Answer

Through soil

Answer

Through air

Answer

Through water

Question 19

What function does chlorophyll have in plants?

Accepted Answer

Absorbing sunlight

Answer

Protecting roots

Answer

Releasing carbon dioxide

Answer

Producing fruits

Question 20

Which adaptation is commonly found in aquatic plants?

Accepted Answer

Floating leaves

Answer

Thick bark

Answer

Deep roots

Answer

Large flowers

Question 21

What are the reproductive structures of angiosperms called?

Accepted Answer

Flowers

Answer

Bulbs

Answer

Cones

Answer

Spores

Question 22

How do cacti minimize water loss?

Accepted Answer

By having spines instead of leaves

Answer

By growing deep roots

Answer

By flowering frequently

Answer

By growing rapidly

Question 23

Which process describes the movement of water from roots to leaves?

Accepted Answer

Transpiration

Answer

Condensation

Answer

Sublimation

Answer

Evaporation

Question 24

What part of the plant is primarily responsible for absorbing moisture and nutrients?

Accepted Answer

Roots

Answer

Flowers

Answer

Stems

Answer

Leaves

Question 25

Which leaf arrangement features leaves growing from several points along the stem?

Accepted Answer

Whorled

Answer

Opposite

Answer

Rosette

Answer

Alternate

Question 26

Which part of the plant produces fruit?

Accepted Answer

The flower

Answer

The root

Answer

The stem

Answer

The leaf

Question 27

What mechanism do plants use to transport water from the roots to the leaves?

Accepted Answer

Capillary action

Answer

Gravitational pull

Answer

Thermal movement

Answer

Magnetic force

Question 28

How do plants respond to environmental stress?

Accepted Answer

All of the above

Answer

By changing color

Answer

By shedding leaves

Answer

By closing stomata

Question 29

What is the main role of the stem in most plants?

Accepted Answer

To support the plant and transport substances

Answer

To store food

Answer

To produce leaves

Answer

To attract insects

Question 30

What is one function of the waxy cuticle on a leaf?

Accepted Answer

To reduce water loss

Answer

To capture sunlight

Answer

To attract pollinators

Answer

To produce nutrients

Question 31

What is it called when plants release water vapor?

Accepted Answer

Transpiration

Answer

Condensation

Answer

Respiration

Answer

Perspiration

Question 32

What term describes a plant growing towards a light source?

Accepted Answer

Positive phototropism

Answer

Negative phototropism

Answer

Negative geotropism

Answer

Positive geotropism

Question 33

What is the purpose of seeds in plants?

Accepted Answer

To reproduce and spread the species

Answer

To absorb nutrients

Answer

To provide a source of food for animals

Answer

To capture sunlight

Question 34

How do plants contribute to the water cycle?

Accepted Answer

By releasing water into the atmosphere as vapor

Answer

By storing water in their leaves

Answer

By filtering water

Answer

By absorbing groundwater

Question 35

What are the thread-like structures that anchor non-vascular plants like mosses?

Accepted Answer

Rhizoids

Answer

Roots

Answer

Tendrils

Answer

Tubers

Question 36

What part of the plant typically emerges first during germination?

Accepted Answer

Root tip

Answer

Flower

Answer

Leaf tip

Answer

Stem

Question 37

Which of the following is a survival adaptation for trees in cold climates?

Accepted Answer

Losing leaves in winter

Answer

Developing deep roots

Answer

Growing thicker bark

Answer

Producing large flowers

Question 38

What feature do wind-pollinated plants typically have?

Accepted Answer

Small, inconspicuous flowers

Answer

High nectar production

Answer

Large, fragrant flowers

Answer

Brightly colored flowers

Question 39

What is the term for the arrangement of veins in a leaf?

Accepted Answer

Venation

Answer

Phototropism

Answer

Guttation

Answer

Flotation

Question 40

What is the process called where plants grow in response to touch?

Accepted Answer

Thigmotropism

Answer

Aerotropism

Answer

Geotropism

Answer

Phototropism

Question 41

How does moss reproduce?

Accepted Answer

By spores

Answer

By fruit

Answer

By flowers

Answer

By seeds

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