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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 30: Plant Form and Physiology MCQ Multiple Choices Questions Quiz Test Bank
30.1 The Plant Body
30.2 Stems
30.3 Roots
30.4 Leaves
30.5 Transport of Water and Solutes in Plants
30.6 Plant Sensory Systems and Responses
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Question: Roots that enable a plant to grow on another plant are called ________.
Choices:
epiphytic roots
prop roots
adventitious roots
aerial roots
Question: Newly-formed root cells begin to form different cell types in the ________.
Choices:
zone of elongation
zone of maturation
root meristem
zone of cell division
Question: Stem regions at which leaves are attached are called ________.
Choices:
trichomes
lenticels
nodes
internodes
Question: The ________ forces selective uptake of minerals in the root.
Choices:
pericycle
epidermis
endodermis
root cap
Question: Which of the following cell types forms most of the inside of a plant?
Choices:
meristem cells
collenchyma cells
sclerenchyma cells
parenchyma cells
Question: Secondary growth in stems is usually seen in ________.
Choices:
monocots
dicots
both monocots and dicots
neither monocots nor dicots
Question: Plant regions of continuous growth are made up of ________.
Choices:
dermal tissue
vascular tissue
meristematic tissue
permanent tissue
Question: The primary growth of a plant is due to the action of the ________.
Choices:
lateral meristem
vascular cambium
apical meristem
cork cambium
Question: Tracheids, vessel elements, sieve-tube cells, and companion cells are components of ________.
Choices:
vascular tissue
meristematic tissue
ground tissue
dermal tissue
Question: Which of the following is the major site of photosynthesis?
Choices:
apical meristem
ground tissue
xylem cells
phloem cells
Question: Which of the following is an example of secondary growth?
Choices:
increase in length
increase in thickness or girth
increase in root hairs
increase in leaf number
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