Question 1

Which of the following best describes the process of double fertilization in angiosperms?

Accepted Answer

One sperm fertilizes the egg, and the other sperm fuses with the polar nuclei to form the triploid endosperm.

Question 2

In the alternation of generations in flowering plants, which stage is dominant and visible as the large plant?

Accepted Answer

Diploid sporophyte

Question 3

Which floral organ is responsible for producing pollen in angiosperms?

Accepted Answer

Stamen

Question 4

A plant species produces flowers that lack stamens. What type of flower is this?

Accepted Answer

Incomplete flower

Question 5

Which of the following is a real-world example of a plant that deceives pollinators without providing a reward?

Accepted Answer

Rhizanthes lowii emitting the scent of decaying flesh to attract blowflies

Question 6

Which equation correctly represents the chromosome number change during meiosis in the angiosperm life cycle?

Accepted Answer

$$2n \rightarrow n$$

Question 7

What is the function of the endosperm in a seed?

Accepted Answer

It stores nutrients for the developing seedling.

Question 8

Which adaptation is most likely found in wind-pollinated angiosperms?

Accepted Answer

Small, inconspicuous flowers that lack nectar or scent

Question 9

During the development of the female gametophyte in angiosperms, how many megaspores survive after meiosis?

Accepted Answer

One

Question 10

Which structure in a monocot seed is specialized for nutrient absorption from the endosperm?

Accepted Answer

Scutellum

Question 11

What is the primary advantage of seed dormancy in angiosperms?

Accepted Answer

It increases the chances that germination occurs under favorable environmental conditions.

Question 12

Which of the following best describes coevolution in the context of plant-pollinator relationships?

Accepted Answer

The joint evolution of two interacting species, each in response to selection imposed by the other.

Question 13

Which mechanism is responsible for the initial uptake of water during seed germination?

Accepted Answer

Imbibition

Question 14

Which fruit type develops from a single flower with multiple separate carpels?

Accepted Answer

Aggregate fruit

Question 15

Which pollinator is most likely to be attracted to a flower with large, bright red petals, little odor, and abundant nectar?

Accepted Answer

Bird

Question 16

Which equation represents the fusion of gametes during fertilization in angiosperms?

Accepted Answer

$$n + n \rightarrow 2n$$

Question 17

Which of the following is a real-world example of domestication in flowering plants?

Accepted Answer

Wild teosinte transformed into modern corn through selective breeding

Question 18

Which structure is the first to emerge during seed germination?

Accepted Answer

Radicle

Question 19

Which of the following is NOT a mechanism for seed dispersal in angiosperms?

Accepted Answer

Photosynthesis

Question 20

Which floral organ is sterile and does not participate directly in reproduction?

Accepted Answer

Petal

Reproduction and Domestication of Flowering Plants

Study Guide - Practice Questions