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9 - science > 6.tissue > Flashcards

6.tissue Flashcards

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Biology 101 flashcards
1
Q

A group of cells with similar shape and function are termed as

A

tissues

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2
Q

The study of tissue is known as

A

histology

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3
Q

study of disease-related to tissue is known as

A

histopathology

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4
Q

Question: What is the primary component that separates the cells in connective tissues?

A) Cytoplasm
B) Extracellular matrix
C) Plasma membrane
D) Nucleus

A

B) Extracellular matrix

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5
Q

(True/False)
Question: Connective tissues are responsible for providing shape to different organs and maintaining their positions.

A

true

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6
Q

(True/False)
Question: Connective tissues are the least abundant tissue types in the body.

A

true

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6
Q

Question: Which of the following is NOT an example of connective tissue?

A) Blood
B) Bone
C) Neurons
D) Ligaments

A

C) Neurons

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7
Q

Question: What is the function of adipose tissue, a type of connective tissue?

A) Conducting electrical signals
B) Storing fat and providing insulation
C) Forming bones
D) Regulating blood pressure

A

B) Storing fat and providing insulation

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7
Q

(True/False)
Question: Tendons and ligaments are both types of connective tissue.

A

true

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8
Q

Which of the following functions is associated with connective tissue?

A) Muscle contraction
B) Transmission of nerve impulses
C) Providing shape to organs
D) Photosynthesis

A

C) Providing shape to organs

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9
Q

(True/False)
Question: Areolar tissue is a type of connective tissue.

A

true

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10
Q

: What is the primary function of epithelial tissue?

A

Covering and lining surfaces

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11
Q

(True/False)
Question: Epithelial tissue is found only on the external surfaces of the body.

A

false

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12
Q

Question: What type of epithelial tissue would you find lining the airways?

A) Transitional epithelium
B) Stratified squamous epithelium
C) Simple columnar epithelium
D) Ciliated pseudostratified columnar epithelium

A

D) Ciliated pseudostratified columnar epithelium

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12
Q

(True/False)
Question: Nervous tissue is primarily found in the brain and spinal cord

A

true

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12
Q

Which characteristic is typical of epithelial tissue?

A) It has a large amount of extracellular matrix.
B) It has a high rate of cell division.
C) It is highly vascularized.
D) It lacks cellularity.

A

B) It has a high rate of cell divisio

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13
Q

(True/False)
Question: The inner lining of the digestive tract is made up of connective tissue.false

A

false

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14
Q

True/False)
Question: The spinal cord is part of the peripheral nervous system.

A

false

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15
Q

Question: Which part of the nervous system is responsible for transmitting signals between the CNS and the rest of the body?

A) Central nervous system
B) Peripheral nervous system
C) Autonomic nervous system
D) Somatic nervous system

A

B) Peripheral nervous system

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16
Q

(True/False)
Question: The brain is part of the peripheral nervous system.

A

false

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17
Q

(True/False)
Question: Nervous tissue has a high capacity for regeneration and healing.

A

false

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18
Q

What is the primary function of muscle tissue?

A) Providing structural support
B) Storing energy
C) Producing force and generating motion
D) Protecting organs

A

C) Producing force and generating motion

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19
Q

(True/False)
Question: Epithelial tissue cells have large intercellular spaces between them.

A

false

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20
Q

Question: What is the role of epithelial tissue in organs like the kidneys?

A) To provide structural support
B) To facilitate nutrient absorption
C) To filter blood and produce urine
D) To store fat

A

C) To filter blood and produce urine

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21
Q

(True/False)
Question: The skin is made of stratified squamous epithelium to prevent wear and tear

A

true

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22
Q

(True/False)
Question: The inner lining of the intestine is covered with stratified squamous epithelium.

A

false

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23
Q

(True/False)
Question: Columnar epithelial tissue in the respiratory tract has cilia on its surface.

A

true

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24
Q

(True/False)
Question: Squamous epithelium is primarily found in areas of absorption and secretion.

A

false

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25
Q

Question: Which type of tissue helps in the storage of fat in the body?

(a) Areolar tissue
(b) Adipose tissue
(c) Cartilage

A

(b) Adipose tissue

25
Q

Question: Tendons and ligaments are examples of:

(a) Dense regular connective tissue
(b) Fluid tissue
(c) Cartilage
(d) Adipose tissue

A

(a) Dense regular connective tissue

26
Q

Question: The tissue that forms the inner lining of the stomach and intestine is:

(a) Muscular tissue
(b) Connective tissue
(c) Epithelial tissue
(d) Nervous tissue

A

(c) Epithelial tissue

27
Q

(True/False)
Question: Areolar tissue is found around blood vessels and nerves.

A

true

28
Q

(True/False)
Question: Ligaments connect muscles to bones.

A

false
“Loves Bone-Bone Bonding

28
Q

What is the primary function of tendons in the body?

A

To connect muscles to bones
“Tough Tendons Tug Muscles to Bones

29
Q

Which type of connective tissue connects two bones together?

A

ligaments

30
Q

(True/False)
Question: Striated muscles are also known as skeletal muscles.

A

true

31
Q

Question: Which of the following muscle tissues has a striated appearance and is also involuntary in nature?

A) Striated muscle
B) Smooth muscle
C) Cardiac muscle
D) Connective muscle

A

C) Cardiac muscle

32
Q

Question: Which muscle type is responsible for involuntary movements in internal organs like the intestines?

A) Striated muscle
B) Smooth muscle
C) Cardiac muscle
D) Skeletal muscle

A

B) Smooth muscle

33
Q

Question: Cardiac muscle cells are interconnected and have specialized structures called:

A) Synapses
B) Intercalated discs
C) Neurotransmitters
D) Connective fibers

A

B) Intercalated discs

34
Q

Q: Which of the following is NOT a characteristic of meristematic tissues in plants?

A) They consist of actively-dividing cells.
B) They are found at the growing tips of stems and roots.
C) They are composed of dead cells.
D) They increase the length of stems and roots.

A

C) They are composed of dead cells.

35
Q

What is chlorenchyma?

A) Parenchyma cells with air cavities
B) Collenchyma cells that contain chlorophyll
C) Sclerenchyma cells used for mechanical support
D) Meristematic tissue in root tips

A

B) Collenchyma cells that contain chlorophyll

35
Q

: What is the main function of parenchyma cells in plants?

A) Providing mechanical support
B) Storage
C) Conducting water and nutrients
D) Photosynthesis

A

B) Storage

36
Q

Q: Which plant tissue provides mechanical support and elasticity, allowing bending of leaves and stems?

A) Parenchyma
B) Sclerenchyma
C) Collenchyma
D) Meristematic tissue

A

C) Collenchyma

36
Q

Q: Which type of plant tissue helps aquatic plants float?

A) Chlorenchyma
B) Collenchyma
C) Sclerenchyma
D) Aerenchyma

A

D) Aerenchyma

37
Q

: What is the primary characteristic of sclerenchyma cells in plants?

A) They are living cells with thin walls.
B) They are composed of dead cells.
C) They have large intercellular spaces.
D) They are involved in active cell division.

A

B) They are composed of dead cells.

38
Q

: What is the primary function of epidermal cells in plants?

A) Photosynthesis
B) Transport of nutrients
C) Protection of internal tissues
D) Storage of water

A

C) Protection of internal tissues

39
Q

Q: In which part of the plant are epidermal cells typically found?

A) In the root cortex
B) On the outermost layer of leaves, stems, and roots
C) In the vascular tissue
D) In the flower petals

A

B) On the outermost layer of leaves, stems, and roots

39
Q

What substance do epidermal cells secrete to form a protective layer on the plant’s surface?

A) Starch
B) Lignin
C) Cutin (forming the cuticle)
D) Cellulose

A

C) Cutin (forming the cuticle)

40
Q

: What is the role of the cuticle produced by epidermal cells in plants?

A) To aid in photosynthesis
B) To reduce water loss by evaporation
C) To absorb nutrients from the soil
D) To transport water and minerals

A

B) To reduce water loss by evaporation

41
Q

: What is the primary function of xylem in plants?

A) Transport of food
B) Transport of water and minerals
C) Gas exchange
D) Storage of nutrients

A

B) Transport of water and minerals

42
Q

Which of the following is a key function of phloem in plants?

A) Transport of water
B) Providing mechanical support
C) Transport of food and nutrients
D) Absorption of minerals

A

C) Transport of food and nutrients

43
Q

Q: What are the main components of xylem tissue?

A) Sieve tubes and companion cells
B) Tracheids and vessel elements
C) Parenchyma cells and fibers
D) Epidermal cells and guard cells

A

Tracheids and vessel elements.

44
Q

Which cells in phloem tissue are primarily responsible for the transport of food in plants?

A) Tracheids
B) Vessel elements
C) Sieve tube elements
D) Guard cells

A

C) Sieve tube elements

45
Q

Xylem cells are mainly characterized by being:

A) Living cells with thin walls
B) Dead cells with thick lignified walls
C) Living cells with large vacuoles
D) Photosynthetic cells

A

B) Dead cells with thick lignified walls

46
Q

: The movement of food through the phloem is known as:

A) Transpiration
B) Translocation
C) Evaporation
D) Photosynthesis

A

B) Translocation

47
Q

: Which of the following best describes the flow of substances in xylem?

A) Bidirectional (up and down)
B) Unidirectional (upward only)
C) Circular
D) Random

A

B) Unidirectional (upward only)

48
Q

In which direction does the transport of nutrients occur in the phloem?

A) Only upward
B) Only downward
C) Bidirectional (both up and down)
D) Lateral

A

C) Bidirectional (both up and down)

49
Q

Which type of cell in phloem is essential for loading and unloading of sugar into sieve tubes?

A) Tracheids
B) Companion cells
C) Parenchyma cells
D) Fibers

A

B) Companion cells

50
Q

Which of the following elements are found in xylem tissue?

A) Sieve tube elements
B) Tracheids
C) Guard cells
D) Companion cells

A

B) Tracheids

51
Q

What is the primary function of vessel elements in xylem tissue?

A) To conduct food
B) To conduct water and minerals
C) To store starch
D) To support gas exchange

A

B) To conduct water and minerals

52
Q

Which xylem element provides structural support and is made of thick-walled, dead cells?

A) Tracheids
B) Phloem parenchyma
C) Companion cells
D) Sieve tube elements

A

A) Tracheids

53
Q

Q: Which of the following is NOT a component of xylem tissue?

A) Vessel elements
B) Tracheids
C) Sieve tube elements
D) Xylem parenchyma

A

C) Sieve tube elements

54
Q

: What is the main function of xylem parenchyma cells?

A) Conducting water
B) Storing food and water
C) Providing mechanical support
D) Translocating food

A

B) Storing food and water

55
Q

What is the role of companion cells in phloem tissue?

A) Transport water and minerals
B) Support sieve tube elements in the transport of food
C) Provide structural support
D) Store starch

A

B) Support sieve tube elements in the transport of food

56
Q

Which of the following plant tissues has thin cell walls made up primarily of cellulose and is involved in storage and photosynthesis?

A) Sclerenchyma
B) Parenchyma
C) Collenchyma
D) Xylem

A

B) Parenchyma

56
Q

: Which of the following is NOT a component of phloem tissue?

A) Sieve tube elements
B) Tracheids
C) Companion cells
D) Phloem fibers

A

B) Tracheids

57
Q

In which plant tissue do the cell walls have localized thickenings composed of pectin and hemicellulose, providing flexibility and mechanical support to young plant organs?
A) Collenchyma
B) Sclerenchyma
C) Parenchyma
D) Phloem

A

A) Collenchyma

58
Q

What differentiates sclerenchyma tissue from collenchyma and parenchyma tissues in terms of its cell wall composition and cellular state?

A) Thickened by cellulose and made of living cells
B) Thickened by lignin and composed of dead cells
C) Thin and flexible, supporting soft plant parts
D) Contains chlorophyll for photosynthesis

A

B) Thickened by lignin and composed of dead cells

59
Q

Which of the following statements about collenchyma cells is INCORRECT?

A) They have uniformly thickened cell walls.
B) The cell walls contain high amounts of pectin.
C) They provide mechanical support and flexibility to the plant.
D) These cells are typically found below the epidermis of stems and leaves.

A

A) They have uniformly thickened cell walls.

Explanation: The cell walls of collenchyma cells are not uniformly thickened; they are thickened at the corners, allowing them to provide flexibility to the plant.

60
Q

Which feature of parenchyma tissue distinguishes it from both collenchyma and sclerenchyma tissues in terms of its adaptability to perform diverse functions like storage, photosynthesis, and tissue repair?

A) Presence of lignified cell walls
B) Lack of intercellular spaces
C) Thin, flexible cell walls
D) Irregular thickening at cell corners

A

C) Thin, flexible cell walls

Explanation: Parenchyma cells have thin and flexible cell walls that enable them to perform a wide range of functions, including storage, photosynthesis, and repair, making them more versatile than collenchyma and sclerenchyma.

61
Q

Identify the type of tissue described: It is made up of long, narrow cells with heavily lignified walls and no intercellular spaces, providing rigidity to the plant structure.

A) Parenchyma
B) Collenchyma
C) Sclerenchyma
D) Phloem

A

Correct Answer: C) Sclerenchyma.

Explanation: Sclerenchyma tissue is characterized by its heavily lignified walls, lack of intercellular spaces, and its role in providing rigidity and structural support to the plant

9 - science (12 decks)

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