Structural Organisation in Animals Test 25

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Structural Organisation in Animals Test 25

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Question 1
1 / -0

Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Pituitary gland is an exocrine gland.
Reason : Pituitary gland secretes their hormones directly releases into the blood or lymph.

A
A. Both A and R are true, and R is the correct explanation of A.

B
B. Both A and R are true, but R is not the correct explanation of A.

C
C. A is true but R is false.

D
D. A is false but R is true.

Solution

Endocrine glands are ductless glands which pour their secretions directly into the blood or lymph. Their secretion is known as hormones. e.g., pituitary gland, thyroid gland, etc.
Question 2
1 / -0

Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Cartilage is present in the tip of nose, outer ear, joints in the vertebral column, limbs and hands in adults.
Reason : It provides support and flexibility to various parts of the body.

A
A. Both A and R are true, and R is the correct explanation of A.

B
B. Both A and R are true, but R is not the correct explanation of A.

C
C. A is true but R is false.

D
D. A is false but R is true.

Solution

Cartilage is present in the tip of nose, outer ear, joints in the vertebral column, limbs and hands in adults. It provides support and flexibility to various parts of the body.
Question 3
1 / -0

Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Stratified epithelial cells have limited role in secretion.
Reason : Stratified epithelial cells provides protection to the body against mechanical and chemical stresses.

A
A. Both A and R are true, and R is the correct explanation of A.

B
B. Both A and R are true, but R is not the correct explanation of A.

C
C. A is true but R is false.

D
D. A is false but R is true.

Solution

Stratified epithelial cells have limited role in secretion because it is made up of multiple layers of cells. It basically provides protection to the body against mechanical and chemical stresses.
Question 4
1 / -0

Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Ciliated epithelium lines the bronchioles.
Reason : The ciliary movement maintains the flow of mucus or liquid or suspended bodies constantly in one direction.

A
A. Both A and R are true, and R is the correct explanation of A.

B
B. Both A and R are true, but R is not the correct explanation of A.

C
C. A is true but R is false.

D
D. A is false but R is true.

Solution

Ciliated epithelium lines the bronchioles. The ciliary movement maintains the flow of mucus or liquid or suspended bodies constantly in one direction.
Question 5
1 / -0

Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Cardiac muscles is a type of voluntary muscles found in heart.
Reason : Cardiac muscles work with out resting under the will of animal.

A
A. Both A and R are true, and R is the correct explanation of A.

B
B. Both A and R are true, but R is not the correct explanation of A.

C
C. A is true but R is false.

D
D. A is false but R is true.

Solution

Cardiac muscles does not works with the will of animal. So, it is involuntary characters like smooth muscles.
Question 6
1 / -0

Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Blood is a fluid connective tissue.
Reason : It helps in transportation of various substances between organs.

A
A. Both A and R are true, and R is the correct explanation of A.

B
B. Both A and R are true, but R is not the correct explanation of A.

C
C. A is true but R is false.

D
D. A is false but R is true.

Solution

Blood is a fluid connective tissue. It helps in transportation of various substances between organs.
Question 7
1 / -0

Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Cardiac muscle is striated. It has intercalated discs between its fibres.
Reason : It provides rhythmic contraction to the heart.

A
A. Both A and R are true, and R is the correct explanation of A.

B
B. Both A and R are true, but R is not the correct explanation of A.

C
C. A is true but R is false.

D
D. A is false but R is true.

Solution

Cardiac muscles occur in the walls of heart, have intercalated discs between the end of fibres. They contract rhythmically.
Question 8
1 / -0

In multicellular organism, a group of similar cells along with intercellular substances perform a specific function. Such organization is called tissue. Epithelial tissue provides covering or lining for some part of the body. Cells are compactly packed without intercellular space. It may be simple, compound, cuboidal or of columnar type. The connective tissues.
They are most abundant and widely distributed tissues which link and support the other tissues. All connective tissue except blood, secretes fibres of structural protein called collagen or elastin to provide elasticity an flexibility. The cells or fibres of the connective tissue may be loosely or arranged or compactly packed. Cartilage, bones and blood are specialized connective tissue. In muscle tissue muscle is made up of long cylindrical fibres arranged parallel to each other. Fibres are composed of fine fibrils called myofibrils. Muscle fibres contract and relax in response to stimulation. The unit of neural system is neuron. Neuroglial cell protect and supports the neuron. When neuron gets stimulated, electrical impulses are generated that travel along the plasma membrane (axon). The tissues organize to form organs which in turn associate to form organ system in multicellular organisms.
Q. Crypts of Lieberkuhn are:

A
Simple coiled tubular glands

B
Simple tubular glands

C
Compound tubular glands

D
Compound alveolar glands

Solution

Crypts of Lieberkuhn are intestinal glands. They are simple tubular glands that lie between the finger-like projections called, villus of the inner surface of the small intestine. The cells of these glands secrete intestinal juice.
Question 9
1 / -0

In multicellular organism, a group of similar cells along with intercellular substances perform a specific function. Such organization is called tissue. Epithelial tissue provides covering or lining for some part of the body. Cells are compactly packed without intercellular space. It may be simple, compound, cuboidal or of columnar type. The connective tissues.
They are most abundant and widely distributed tissues which link and support the other tissues. All connective tissue except blood, secretes fibres of structural protein called collagen or elastin to provide elasticity an flexibility. The cells or fibres of the connective tissue may be loosely or arranged or compactly packed. Cartilage, bones and blood are specialized connective tissue. In muscle tissue muscle is made up of long cylindrical fibres arranged parallel to each other. Fibres are composed of fine fibrils called myofibrils. Muscle fibres contract and relax in response to stimulation. The unit of neural system is neuron. Neuroglial cell protect and supports the neuron. When neuron gets stimulated, electrical impulses are generated that travel along the plasma membrane (axon). The tissues organize to form organs which in turn associate to form organ system in multicellular organisms.
Q. Transitional epithelium is present:

A
over urinary bladder

B
in tubular parts of nephrons in kidneys

C
in the lining of stomach

D
inner lining of ducts of salivary glands

Solution

Transitional epithelium : consists of many layers of cells, which are thin and stretchable. It is present over urinary bladder and helps in its expansion during urine storage
Question 10
1 / -0

In multicellular organism, a group of similar cells along with intercellular substances perform a specific function. Such organization is called tissue. Epithelial tissue provides covering or lining for some part of the body. Cells are compactly packed without intercellular space. It may be simple, compound, cuboidal or of columnar type. The connective tissues.
They are most abundant and widely distributed tissues which link and support the other tissues. All connective tissue except blood, secretes fibres of structural protein called collagen or elastin to provide elasticity an flexibility. The cells or fibres of the connective tissue may be loosely or arranged or compactly packed. Cartilage, bones and blood are specialized connective tissue. In muscle tissue muscle is made up of long cylindrical fibres arranged parallel to each other. Fibres are composed of fine fibrils called myofibrils. Muscle fibres contract and relax in response to stimulation. The unit of neural system is neuron. Neuroglial cell protect and supports the neuron. When neuron gets stimulated, electrical impulses are generated that travel along the plasma membrane (axon). The tissues organize to form organs which in turn associate to form organ system in multicellular organisms.
Q. Which tissue are mainly present in the inner surface of bronchioles?

A
Squamous epithelium

B
Glandular epithelium

C
Compound epithelium

D
Ciliated epithelium

Solution

Some columnar or cuboidal cells bear cilia on their free surface they are called ciliated epithelium. Their function is to move particles or mucus in a specific direction over the epithelium. They are mainly present in the inner surface of hollow organs, e.g. fallopian tube, bronchioles.
Question 11
1 / -0

In multicellular organism, a group of similar cells along with intercellular substances perform a specific function. Such organization is called tissue. Epithelial tissue provides covering or lining for some part of the body. Cells are compactly packed without intercellular space. It may be simple, compound, cuboidal or of columnar type. The connective tissues.
They are most abundant and widely distributed tissues which link and support the other tissues. All connective tissue except blood, secretes fibres of structural protein called collagen or elastin to provide elasticity an flexibility. The cells or fibres of the connective tissue may be loosely or arranged or compactly packed. Cartilage, bones and blood are specialized connective tissue. In muscle tissue muscle is made up of long cylindrical fibres arranged parallel to each other. Fibres are composed of fine fibrils called myofibrils. Muscle fibres contract and relax in response to stimulation. The unit of neural system is neuron. Neuroglial cell protect and supports the neuron. When neuron gets stimulated, electrical impulses are generated that travel along the plasma membrane (axon). The tissues organize to form organs which in turn associate to form organ system in multicellular organisms.
Q. Which connective tissue does not secrete collagen or elastin?

A
Cartilage

B
Bone

C
Blood

D
Both (A) and (B)

Solution

All connective tissue except blood, secretes fibres of structural protein called collagen or elastin to provide elasticity and flexibility.
Question 12
1 / -0

In multicellular organism, a group of similar cells along with intercellular substances perform a specific function. Such organization is called tissue. Epithelial tissue provides covering or lining for some part of the body. Cells are compactly packed without intercellular space. It may be simple, compound, cuboidal or of columnar type. The connective tissues.
They are most abundant and widely distributed tissues which link and support the other tissues. All connective tissue except blood, secretes fibres of structural protein called collagen or elastin to provide elasticity an flexibility. The cells or fibres of the connective tissue may be loosely or arranged or compactly packed. Cartilage, bones and blood are specialized connective tissue. In muscle tissue muscle is made up of long cylindrical fibres arranged parallel to each other. Fibres are composed of fine fibrils called myofibrils. Muscle fibres contract and relax in response to stimulation. The unit of neural system is neuron. Neuroglial cell protect and supports the neuron. When neuron gets stimulated, electrical impulses are generated that travel along the plasma membrane (axon). The tissues organize to form organs which in turn associate to form organ system in multicellular organisms.
Directions : In the following questions a statement of Assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion : Cartilage and bone are rigid connective tissue.
Reason : Blood is connective tissue with fluid matrix.

A
Both Assertion (A) and reason (R) are true and reason (R) is the correct explanation of Assertion (A).

B
Both Assertion (A) and reason (R) are true but reason (R) is not the correct explanation of Assertion (A).

C
Assertion (A) is true but reason (R) is false.

D
Assertion (A) is false but reason (R) is true.

Solution

Blood is the fluid connective tissue where the matrix is in the liquid form.

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Structural Organisation in Animals Test 25

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Question 1

A. Both A and R are true, and R is the correct explanation of A.

B. Both A and R are true, but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

Solution

Question 2

A. Both A and R are true, and R is the correct explanation of A.

B. Both A and R are true, but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

Solution

Question 3

A. Both A and R are true, and R is the correct explanation of A.

B. Both A and R are true, but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

Solution

Question 4

A. Both A and R are true, and R is the correct explanation of A.

B. Both A and R are true, but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

Solution

Question 5

A. Both A and R are true, and R is the correct explanation of A.

B. Both A and R are true, but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

Solution

Question 6

A. Both A and R are true, and R is the correct explanation of A.

B. Both A and R are true, but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

Solution

Question 7

A. Both A and R are true, and R is the correct explanation of A.

B. Both A and R are true, but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

Solution

Question 8

Simple coiled tubular glands

Simple tubular glands

Compound tubular glands

Compound alveolar glands

Solution

Question 9

over urinary bladder

in tubular parts of nephrons in kidneys

in the lining of stomach

inner lining of ducts of salivary glands

Solution

Question 10

Squamous epithelium

Glandular epithelium

Compound epithelium

Ciliated epithelium

Solution

Question 11

Cartilage

Bone

Blood

Both (A) and (B)

Solution

Question 12

Both Assertion (A) and reason (R) are true and reason (R) is the correct explanation of Assertion (A).

Both Assertion (A) and reason (R) are true but reason (R) is not the correct explanation of Assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Solution