Structural Organisation in Animals Test

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Structural Organisation in Animals Test - 70

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Weekly Quiz Competition

Question 1
1 / -0

Cells of epithelium is placed upon

A
Reticular lamina of basement membrane

B
Basal lamina of basement membrane

C
lamina propria

D
Fibrous lamina
Solution
- Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs.
- Epithelial layers contain no blood vessels, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basal lamina of the basement membrane.
- Hence, Cells of epithelium is placed upon Basal lamina of the basement membrane.
- So, the correct option is B.
Question 2
1 / -0

Match the columns and find out the correct combination.

Name of muscle fibres Arrangement Power of regeneration
A. Skeletal In bundles Limited
B. Unstriated In sheets Absent
C. Cardiac As network High
D. Smooth skeletal In sheets Greater than cardiac muscle

A
B and C

B
A and D

C
C and D

D
B and D

Solution

1. Skeletal muscles occur in the form of bundles and have a limited power of regeneration.
2. Smooth or unstriated muscles are arranged in the form of sheets and possess power of regeneration.
3. Cardiac muscles are striated and form network and have almost no power of regeneration.
4. Smooth skeletal muscles are also found in the form of sheets and have more regeneration capacity than cardiac muscles.
So, the correct option is 'A and D'.
Question 3
1 / -0

In earthworm, the anterior loops are situated in

A
$$4^{th}$$ and $$5^{th}$$ segment

B
$$6^{th}$$ and $$8^{th}$$ segment

C
$$10^{th}$$ and $$11^{th}$$ segment

D
$$12^{th}$$ and $$13^{th}$$ segment.

Solution

Anterior loops are two pairs of loops like vessels, one pair in 10th and 11th segments. They connect the lateral-oesophageal blood vessels with the supra-oesophageal blood vessel. Anterior loops are non-muscular, non-valvular and non-pulsatile.
So, the correct option is '10th and 11th segment'.
Question 4
1 / -0

Which of these tissues is responsible for contractions that allow the movement of substances?

A
Muscular

B
Nervous

C
Epithelial

D
Connective

Solution

The contractions produced by the muscular tissue helps in the movement of various substances in the body. For example, peristaltic movements involve the contractions of smooth muscles of the oesophagus in order to facilitate the movement of the food particles.
So, the correct option is option A.
Question 5
1 / -0

Photoreceptors of earthworm occur on?

A
Clitellum

B
Many eyes

C
Dorsal surface

D
Lateral sides

Solution

Earthworm photoreceptors are located in nerve fibers on the dorsal surface of the skin. These nerve fibers are connected to special nerves called ganglia, which connect to an earthworm's version of a brain. The brain, called a ganglion, helps trigger chemical reactions to control the entire body of the worm.
Question 6
1 / -0

According to you, which muscle cell will have the highest number of mitochondria?

A
Muscle cell of thigh

B
Cardiac muscle cell

C
Muscle cell of arm

D
All of the above

Solution

Mitochondria are the organelles of cells that produce energy in the form of ATP. These organelles synthesize ATP from food that we eat, and are hence, called the powerhouses of cells.
The highest number of mitochondria is found in cardiac muscle cells because the muscles of the heart work continuously and require lots of energy.
So, the correct answer is 'Cardiac muscle cell'.
Question 7
1 / -0

Chloragogen cells of earthworm are called?

A
Green cells

B
Chromophile cells

C
Yellow cells

D
Purple cells

Solution

Chloragogen cells are the star-shaped cells and are also called as Y cells that have an excretory function in the coelomic fluid. They are also known as yellow cells due to the presence of yellow granule. They function like liver in vertebrates, they store glycogen and neutralizes toxins.
So, the correct option is 'Yellow cells'.

Question 8

1 / -0

Two articulating bones are connected by

Tendon

Cartilage

Ligament

Fibres

Solution

Tendon	It connects muscle to the bone
Cartilage	It is a connective tissue, which is present between the articulated region of bones. it provides support as well as flexibility to the bone.
Ligament	It is fibrous connective tissue, which connects one bone to another bone.
Fibres	Muscle is made up of fibres (type I, type II, type III). It helps in the muscle contraction.

So, the correct answer is 'Ligament'.

Question 9
1 / -0

The ingrowth of exoskeleton in the head of cockroach is called

A
notum

B
apodemes

C
pleura

D
tentorium
Solution
- Although their reputation often sets them apart, roaches have a lot in common with other insects.
- Their bodies have three primary regions-- the head, the thorax, and the abdomen.
- After molting, most roaches are white and easily injured until a hormone called bursicon causes the exoskeleton to darken and harden.
So, the correct option is 'Pleura'.
Question 10
1 / -0

Among Malpighian tubules, fat bodies, nephrocytes, uricose glands, gastric caecae, trachea, collaterial glands, phallic glands, crop and gizzard, how many are concerned with the removal of nitrogenous wastes in the form of uric acid?

A
Six

B
Seven

C
Four

D
Three

Solution

Malphigian tubules, fat bodies, nephrocytes and uricose glands are part of excretory system in cockroaches. They are concerned with the removal of nitrogenous wastes in the form of uric acid.
So, the correct option is 'Four'.

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Re-Attempt Weekly Quiz Competition

	Name of muscle fibres	Arrangement	Power of regeneration
A.	Skeletal	In bundles	Limited
B.	Unstriated	In sheets	Absent
C.	Cardiac	As network	High
D.	Smooth skeletal	In sheets	Greater than cardiac muscle

Structural Organisation in Animals Test - 70

Result

Structural Organisation in Animals Test - 70

Score

-

Rank

-

SHARING IS CARING

Question 1

Reticular lamina of basement membrane

Basal lamina of basement membrane

lamina propria

Fibrous lamina

Solution

Question 2

B and C

A and D

C and D

B and D

Solution

Question 3

$$4^{th}$$ and $$5^{th}$$ segment

$$6^{th}$$ and $$8^{th}$$ segment

$$10^{th}$$ and $$11^{th}$$ segment

$$12^{th}$$ and $$13^{th}$$ segment.

Solution

Question 4

Muscular

Nervous

Epithelial

Connective

Solution

Question 5

Clitellum

Many eyes

Dorsal surface

Lateral sides

Solution

Question 6

Muscle cell of thigh

Cardiac muscle cell

Muscle cell of arm

All of the above

Solution

Question 7

Green cells

Chromophile cells

Yellow cells

Purple cells

Solution

Question 8

Tendon

Cartilage

Ligament

Fibres

Solution

Question 9

notum

apodemes

pleura

tentorium

Solution

Question 10

Six

Seven

Four

Three

Solution

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