Question 11 pts

Xylem and phloem are which kind of plant tissue?

Group of answer choices

Ground tissue

Meristematic tissue

Vascular tissue

Dermal tissue

Flag question: Question 2Question 21 pts

What is the result of double fertilization in flowering plants?

Group of answer choices

Double fertilization results in too many chromosomes in the embryo. The plant does not survive.

One fertilization results in an embryo and one or two cotyledons. The other fertilization develops into the fruit of the plant.

Each fertilization produces a seed that will develop into a plant once germinated.

One fertilization results in an embryo and one or two cotyledons. The other fertilization develops into the endosperm of the seed.

Flag question: Question 3Question 31 pts

Which of the following is a function of the roots of a plant?

Group of answer choices

Anchor the plant

Provide structural support for the anther

Asexual reproduction

Photosynthesis

Flag question: Question 4Question 41 pts

Which of the following is an advantage of vegetative reproduction?

Group of answer choices

Vegetative reproduction allows for new combinations of DNA in the offspring.

Vegetative reproduction produces new plants without sexual reproduction.

Vegetative reproduction takes longer than starting from a spore or a seed.

Vegetative reproduction produces new plants through joining an egg and sperm.

Flag question: Question 5Question 51 pts

What is seed germination?

Group of answer choices

The process in which a fruit disperses its seeds

The process in which a seed’s embryo begins to grow

The process in which a gametophyte develops into a sporophyte

The process in which a seed enters a state of dormancy

Flag question: Question 6Question 61 pts

What happens during thigmotropism?

Group of answer choices

The plant roots grow downward toward gravity and the stems grow upward away from gravity.

The plant grows toward the point of contact.

The plant roots grow upward away from gravity and the stems grow downward toward gravity.

The plant grows towards the light.

Flag question: Question 7Question 71 pts

Which of the following is an example of an imperfect flower?

Group of answer choices

A flower that has only petals

A flower that has petals and sepals

A flower that has stamens and pistils

A flower that has only stamens

Flag question: Question 8Question 81 pts

Which plant hormone causes fruits to ripen?

Group of answer choices

Gibberellin

Auxin

Cytokinin

Ethylene

Flag question: Question 9Question 91 pts

What is special about the palisade mesophyll?

Group of answer choices

The palisade mesophyll is the primary site for photosynthesis in the leaf.

The palisade mesophyll contains most of the stomata on the leaf of a plant.

The palisade mesophyll connects the stem’s vascular tissue to the leaf’s vascular tissue.

The palisade mesophyll consists of loosely packed cells that allow gases to move through.

Flag question: Question 10Question 101 pts

Which type of seed would most likely be dispersed by an animal?

Group of answer choices

A small seed that is light enough to be carried by the wind

A seed enclosed inside a tasty fruit

A seed encased in a dry fruit like a pod

A large seed that easily floats on water

Flag question: Question 11Question 111 pts

Looking at the top of a leaf, what is the order of tissues in a leaf from top to bottom?

Group of answer choices

Cuticle, Upper epidermis, Palisade mesophyll, Spongy mesophyll, Vascular bundle, Spongy mesophyll, Lower epidermis, Cuticle

Upper epidermis, Cuticle, Vascular bundle, Palisade mesophyll, Spongy mesophyll, Palisade mesophyll, Cuticle, Lower epidermis

Upper epidermis, Vascular bundle, Spongy mesophyll, Cuticle, Palisade mesophyll, Cuticle, Palisade mesophyll, Lower epidermis

Cuticle, Upper epidermis, Spongy mesophyll, Vascular bundle, Spongy mesophyll, Palisade mesophyll, Lower epidermis, Cuticle

Flag question: Question 12Question 121 pts

Which flower part attracts pollinators and gives them a place to land?

Group of answer choices

Anther

Petal

Ovary

Stigma

Flag question: Question 13Question 131 pts

Which flower parts make up the stamen?

Group of answer choices

Sepal and petal

Stigma, style, and ovary

Anther and filament

Microspore and macrospore

Flag question: Question 14Question 141 pts

What causes plants to flower?

Group of answer choices

Plants flower after receiving a certain number of hours of uninterrupted sunlight.

Plants flower after receiving a certain amount of rain.

Plants flower after being exposed to a certain number of hours of uninterrupted darkness.

Plant flower after spending a certain number of hours at an optimal temperature.

Flag question: Question 15Question 151 pts

What is the name for a flower that has sepals, petals, stamens, and a pistil?

Group of answer choices

An incomplete flower

A fertilized flower

An imperfect flower

A complete flower

Flag question: Question 16Question 161 pts

Which kind of plant tissue contains rapidly dividing cells that can develop into different kinds of cells?

Group of answer choices

Vascular tissue

Ground tissue

Dermal tissue

Meristematic tissue

Flag question: Question 17Question 171 pts

What is the difference between a nastic response and a tropic response?

Group of answer choices

A nastic response occurs when a plant grows away from the light source. A tropic response occurs when a plant grows toward the light source.

A nastic response is a growth response. A tropic response is a reversible, responsive movement of the plant.

A nastic response occurs when a plant grows towards the light source. A tropic response occurs when a plant grows away from the light source.

A nastic response is a reversible, responsive movement of the plant. A tropic response is a growth response.

Flag question: Question 18Question 181 pts

You observe a flower that has 4 petals. What can you say about this flower?

Group of answer choices

This flower is most likely a eudicot.

This flower is a complete flower.

This flower is most likely a monocot.

This flower is most likely immature.

Flag question: Question 19Question 191 pts

Where would you likely find intermediate-day plants?

Group of answer choices

Intermediate-day plants are usually native to desert regions.

Intermediate-day plants are usually native to temperate regions.

Intermediate-day plants are usually native to tropical regions.

Intermediate-day plants are usually native to sub-arctic regions.

Flag question: Question 20Question 201 pts

Which type of photoperiodism should produce blooms only in the summer?

Group of answer choices

Day-neutral plants

Long-day plants

Short-day plants

Intermediate-day plants