Increased flexibility and growth
Tissues in Action
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Practice Test – MCQs, True/False
TopMultiple Choice Questions
A.
B.
Reduced flexibility and increased rigidity
C.
Enhanced photosynthetic activity
D.
Improved nutrient transport
Correct Answer: B
Solution:
If sclerenchyma replaced collenchyma, the plant stem would become more rigid and less flexible due to the thick lignified walls of sclerenchyma cells, which are designed for support rather than flexibility.
Chapter Concept:
Plant and Animal Tissue Differences
A.
Dendrites
B.
Cell body
C.
Axon
D.
Nucleus
Correct Answer: C
Solution:
The axon is the long fiber of the neuron that carries messages from the cell body and ends at axon terminals, which transmit the messages to other cells.
Chapter Concept:
Nervous System and Neuron Function
A.
They have thick walls for protection.
B.
They contain large vacuoles that store nutrients.
C.
They have thin walls, dense cytoplasm, and a large prominent nucleus.
D.
They are functionally differentiated cells.
Correct Answer: C
Solution:
Meristematic cells have thin walls, dense cytoplasm, and a large prominent nucleus, which allows them to divide continuously.
Chapter Concept:
Characteristics of Meristematic Cells
A.
Dendrites
B.
Axon
C.
Cell body
D.
Axon terminals
Correct Answer: A
Solution:
Dendrites are responsible for receiving signals from other neurons, so a malfunction here would affect signal reception.
Chapter Concept:
Nervous System and Neuron Function
A.
Plasma
B.
Red Blood Cells (RBCs)
C.
White Blood Cells (WBCs)
D.
Platelets
Correct Answer: C
Solution:
White Blood Cells (WBCs) are part of the immune system and increase in number to combat infections by attacking the invading pathogens.
Chapter Concept:
Blood and Its Components
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Xylem
Correct Answer: B
Solution:
Collenchyma tissue provides flexibility and mechanical support to plant stems, allowing them to bend without breaking under stress such as strong winds.
Chapter Concept:
Skeletal and Muscular Systems
A.
Escherichia coli
B.
Agrobacterium tumefaciens
C.
Bacillus thuringiensis
D.
Pseudomonas fluorescens
Correct Answer: B
Solution:
Agrobacterium tumefaciens is used in genetic engineering to introduce beneficial genes into plants and is known for causing crown gall disease.
Chapter Concept:
Crown Gall Disease and Genetic Engineering
A.
Transport water and minerals
B.
Transport food from leaves to other parts
C.
Provide structural support
D.
Protect against mechanical injury
Correct Answer: B
Solution:
Phloem is responsible for transporting food, particularly sugars, from the leaves where they are synthesized during photosynthesis to other parts of the plant.
Chapter Concept:
Cell Differentiation and Tissue Formation
A.
A thin cuticle to allow more sunlight absorption
B.
A thick cuticle to minimize water loss
C.
Numerous stomata to increase transpiration
D.
A highly porous epidermis to facilitate gas exchange
Correct Answer: B
Solution:
In desert environments, plants often have a thick cuticle on their epidermis to reduce water loss and conserve moisture, which is crucial for survival in arid conditions.
Chapter Concept:
Epidermis and Protective Tissue
A.
Apical meristem
B.
Lateral meristem
C.
Intercalary meristem
D.
Permanent tissue
Correct Answer: B
Solution:
The lateral meristem is responsible for the increase in girth of a plant stem as it is located along the circumference of stems and produces new cells inside and outside in a concentric manner.
Chapter Concept:
Cell Differentiation and Tissue Formation
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Tissues in Action
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Locked • AI Weakness TrackerTrue or False
Correct Answer: False
Solution:
Meristematic tissues are not only located at the root and shoot apices but also include lateral and intercalary meristems, which are responsible for growth in girth and regrowth after cutting, respectively.
Chapter Concept :
Cell Differentiation and Tissue Formation
Correct Answer: True
Solution:
The ball and socket joint, such as the shoulder joint, allows for a wide range of movements in multiple directions due to the rounded top of the bone fitting into a hollow socket.
Chapter Concept :
Skeletal and Muscular Systems
Correct Answer: True
Solution:
Meristematic tissues are divided into three types: apical, lateral, and intercalary. Apical meristem is responsible for growth in length, lateral meristem for growth in girth, and intercalary meristem for regeneration after cutting.
Chapter Concept :
Types of Plant Tissues
Correct Answer: True
Solution:
Meristematic tissues, including apical, lateral, and intercalary meristems, contribute to growth in length, girth, and branching, respectively.
Chapter Concept :
Cell Differentiation and Tissue Formation
Correct Answer: True
Solution:
The musculoskeletal system is indeed composed of bones, muscles, joints, cartilage, tendons, and ligaments, and it operates under the control of the nervous system to enable movement and maintain posture.
Chapter Concept :
Skeletal and Muscular Systems
Correct Answer: True
Solution:
Animal tissues are indeed classified into four main types: epithelial (covering and lining), connective (support and connection), muscular (movement), and nervous (control and communication).
Chapter Concept :
Animal Tissue Types
Correct Answer: True
Solution:
Meristematic tissues are capable of continuous division, whereas permanent tissues have lost the ability to divide.
Chapter Concept :
Plant and Animal Tissue Differences
Correct Answer: True
Solution:
Agrobacterium tumefaciens is a bacterium that causes crown gall disease by transferring its genetic material into plant cells. This mechanism is utilized in genetic engineering to introduce beneficial genes into plants.
Chapter Concept :
Crown Gall Disease and Genetic Engineering
Correct Answer: True
Solution:
Neurons are indeed specialized cells that form the nervous tissue, responsible for receiving, processing, and transmitting signals throughout the body, thereby coordinating body activities.
Chapter Concept :
Nervous System and Neuron Function
Correct Answer: True
Solution:
Meristematic tissues are regions of active cell division in plants, responsible for growth in length (apical meristem), girth (lateral meristem), and regrowth after damage (intercalary meristem).
Chapter Concept :
Meristematic Tissues in Plants
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