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1.1 The study of life Read Online
Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.
Chapter 32: Plant Reproduction MCQ Multiple Choices Questions Quiz Test Bank
32.1 Reproductive Development and Structure
32.2 Pollination and Fertilization
32.3 Asexual Reproduction
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Question: The stamen consists of a long stalk called the filament that supports the ________.
Choices:
stigma
sepal
style
anther
Question: The pollen lands on which part of the flower?
Choices:
stigma
style
ovule
integument
Question: In a plant's male reproductive organs, development of pollen takes place in a structure known as the ________.
Choices:
stamen
microsporangium
anther
tapetum
Question: The fertilized ovule gives rise to the ________.
Choices:
fruit
seed
endosperm
embryo
Question: What is the term for a fruit that develops from tissues other than the ovary?
Choices:
simple fruit
aggregate fruit
multiple fruit
accessory fruit
Question: Which of the following is an advantage of asexual reproduction?
Choices:
Cuttings taken from an adult plant show increased resistance to diseases.
Grafted plants can more successfully endure drought.
When cuttings or buds are taken from an adult plant or plant parts, the resulting plant will grow into an adult faster than a seedling.
Asexual reproduction takes advantage of a more diverse gene pool.
Question: The ________ is the outermost covering of a fruit.
Choices:
endocarp
pericarp
exocarp
mesocarp
Question: The ________ are collectively called the calyx.
Choices:
sepals
petals
tepals
stamens
Question: Plants that flower once in their lifetime are known as ________.
Choices:
monoecious
dioecious
polycarpic
monocarpic
Question: After double fertilization, a zygote and ________ form.
Choices:
an ovule
endosperm
a cotyledon
a suspensor
Question: ________ is a useful method of asexual reproduction for propagating hard-to-root plants.
Choices:
grafting
layering
cuttings
budding
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