Structural Organisation in Animals Test

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Structural Organisation in Animals Test - 20

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Weekly Quiz Competition

Question 1
1 / -0

Stomach of frog does not have

A
Fundic part

B
Cardiac part

C
Pyloric part

D
All of these

Solution

Stomach of frog comprises a large broader anterior part called cardiac stomach and a short narrower posterior part called pyloric stomach. Fundic stomach is absent.
Question 2
1 / -0

Glands of Swammerdam are related with

A
Spinal nerves of frog

B
Cranial nerves of frog

C
Endocrine system of frog

D
Alimentary canal of frog

Solution

Glands of swammerdam are soft chalky masses of calcareous bodies found in the dorsal root ganglion of spinal nerve in frog. These form reserve supplies of calcium.
Question 3
1 / -0

Desmosomes are the most common feature of

A
Epithelial tissue

B
Nervous tissue

C
Muscular tissue

D
All of the above
Solution
- In some tissues like that of epithelia, the plasma membrane of adjacent cells is pressed together. Four kinds of such junctions are present in vertebrates as tight junctions, adherens junctions, gap junctions, and desmosomes.
- Desmosomes are localized patches, that hold two cells tightly together (e.g., skin epithelia). Desmosomes are attached to the intermediate filaments of the keratin in the cytoplasm.
Thus, the correct answer is option A.
Question 4
1 / -0

Below the skin, the fat is in the form of ____________.

A
Lipoproteins

B
Adipose tissue

C
Mucous layer

D
Lymphoid tissue

Solution

Fat is stored in adipose tissue found below the skin and between internal organs. The cells of this tissue are filled with fat globules. The storage of fats also lets it act as an insulator thus preventing the loss of body heat.
So, the correct answer is option B.
Question 5
1 / -0

The efferent process of neuron is known as

A
Axon

B
Dendrites

C
Cyton

D
Neurofibril

Solution

The long slender projection of a nerve cell that conducts electrical impulses away from the neuron's cell body or soma is called an axon or nerve fibre. The function of the axon is to transmit information to different neurons, muscles and glands. Hence it is called the efferent process.
Hence the correct option is A.
Question 6
1 / -0

The types of fibres found in connective tissues are:

A
Collagen fibres

B
Elastic fibres

C
Reticular fibres

D
All of the above
Solution
- The fibrous components in connective tissue are of three types - collagenous, elastic and reticular.
- Collagen is secreted in the form of tropocollagen molecules by the fibroblasts and then they assemble extracellularly to form striated collagen fibrils.
- Elastic fibres are composed of the protein elastin and differ from collagenous fibres in dimensions, pattern and chemical composition.
- Reticular fibres are distinguished by their tendency to form fine-meshed networks around cells and cell groups.
Thus, the correct answer is option D.
Question 7
1 / -0

The areolar tissue connects:

A
Two bones

B
Muscle and the bone

C
Muscle and the fat tissue

D
Skin to the muscles beneath
Solution
- Areolar tissue is loose connective tissue found between skin and muscles.
- It is found in many locations around the body. One important area is the skin, which binds the outer layers of the skin to the muscles beneath.
- It also helps fill space in organs and provides support.
So, the correct answer is option D.
Question 8
1 / -0

In human beings, the adipose tissue is mainly found in:

A
On the skin

B
Below the skin

C
Around the internal organs

D
Both B and C

Solution

Adipose tissue makes up our body fat. It can be found under the skin (subcutaneous fat), packed around internal organs (visceral fat), between muscles, within the bone marrow, and in breast tissue.
So, the correct answer is option D.
Question 9
1 / -0

Ligament of horse is made up of

A
Reticulin

B
Elastin

C
Myosin

D
Collagen

Solution

Ligament is a connective tissue, which connects bone to bone. It is highly elastic and has great strength. It is made up of collagen and elastin fibre. Horse ligaments are made up of collagen fibres that are arranged lengthwise so that, they are capable of stretching. Thus, the correct option is D.
Question 10
1 / -0

Outer layer of skin is made up of keratinised epithelium because

A
It is exposed and subjected to wear and tear.

B
It covers the whole body.

C
It is thick.

D
It protects from ultraviolet radiation.

Solution

The epidermis is the outer layer of skin and is made up of stratified squamous epithelium. Most of the cells are keratinocytes or made of keratin, making the epidermis a tough, protective layer. The keratin prevents water loss and protects the body from wear and tear.
Thus, the correct answer is option A.

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Re-Attempt Weekly Quiz Competition

Structural Organisation in Animals Test - 20

Result

Structural Organisation in Animals Test - 20

Score

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SHARING IS CARING

Question 1

Fundic part

Cardiac part

Pyloric part

All of these

Solution

Question 2

Spinal nerves of frog

Cranial nerves of frog

Endocrine system of frog

Alimentary canal of frog

Solution

Question 3

Epithelial tissue

Nervous tissue

Muscular tissue

All of the above

Solution

Question 4

Lipoproteins

Adipose tissue

Mucous layer

Lymphoid tissue

Solution

Question 5

Axon

Dendrites

Cyton

Neurofibril

Solution

Question 6

Collagen fibres

Elastic fibres

Reticular fibres

All of the above

Solution

Question 7

Two bones

Muscle and the bone

Muscle and the fat tissue

Skin to the muscles beneath

Solution

Question 8

On the skin

Below the skin

Around the internal organs

Both B and C

Solution

Question 9

Reticulin

Elastin

Myosin

Collagen

Solution

Question 10

It is exposed and subjected to wear and tear.

It covers the whole body.

It is thick.

It protects from ultraviolet radiation.

Solution

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