Back to STRUCTURAL ORGANISATION IN ANIMALS

Your Progress

0 / 78 Answered

Correct

Incorrect

Accuracy

NEET • BIOLOGY • STRUCTURAL ORGANISATION IN ANIMALS

Structural organisation in animals practice · Hard

Try a question, then open “View answer” to check it. Sign in to submit answers and save progress.

Practice format and chapter quiz

The practice player uses single-correct-answer MCQs. Chapter quizzes help you review a topic; they are not full-length NEET mock papers.

Take a chapter quiz →

Showing 61-78 of 78 questions

61 Hard

61 of 78

Understanding +4 | -1

Consider the following statements and choose the option that correctly fill the blanks (A) and (B).
Statement I : The intercellular material of cartilage is A and resists compression.
Statement II : Bones have a B ground substance rich in calcium salts and collagen fibres which give bone its strength.

View answer and explanation

Correct option: B

A – Solid and pliable, B – Hard and non-pliable

Option B (A – Solid and pliable, B – Hard and non-pliable) is correct because cartilage has a solid and pliable intercellular material, while bone has a hard and non-pliable ground substance.

62 Hard

62 of 78

Remembering +4 | -1

In earthworm, neurons are

View answer and explanation

Correct option: D

All of these

Option D (All of these) is correct because earthworms possess motor, associated (interneurons), and sensory neurons, contributing to their nervous system.

63 Hard

63 of 78

Remembering +4 | -1

The

5^{\text {th}}

cranial nerve of frog is called:

View answer and explanation

Correct option: C

Trigeminal nerve

Option C (Trigeminal nerve) is correct because the 5th cranial nerve in frogs is the trigeminal nerve, responsible for sensory and motor functions in the head.

64 Hard

64 of 78

Understanding +4 | -1

Consider the following statements about the hind wings of cockroach
I. These are broad and thin
II. They are not used in flying
III. They are also known as mesothoracic wings
IV. They are transparent and delicate
Which of the statements given above is/are incorrect?

View answer and explanation

Correct option: B

II and III

Option B (II and III) is correct because the hind wings are used for flying and are metathoracic wings, not mesothoracic.

65 Hard

65 of 78

Understanding +4 | -1

Which of the following type of tissue is being described by the given statements?
(i) They are named because of their special function of linking and supporting other tissues/organs of the body.
ii) They include cartilage, bone, adipose tissue and blood.
(iii) They provide strength, elasticity and flexibility to the tissue.
(iv) They also secrete modified polysaccharides, which accumulate between cells and fibres and act as matrix.

View answer and explanation

Correct option: B

Connective tissue

Option B (Connective tissue) is correct because the statements describe the general functions and components of connective tissue.

66 Hard

66 of 78

Remembering +4 | -1

Lipofuscin granules are found in :

View answer and explanation

Correct option: A

Nerve cell

Option A is correct because lipofuscin granules, which are "wear and tear" pigments, accumulate in long-lived cells like nerve cells.

67 Hard

67 of 78

Remembering +4 | -1

Which of the following is the character of dorsal blood vessel of the earthworm?

View answer and explanation

Correct option: D

Distributing in the first 13 segments

The correct answer is D (Distributing in the first 13 segments) because the dorsal blood vessel in earthworms distributes blood to the anterior segments.

68 Hard

68 of 78

Remembering +4 | -1

Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are :

View answer and explanation

Correct option: D

encapsulated pressure receptors

Option D (encapsulated pressure receptors) is correct because Pacinian corpuscles are specialized nerve endings in the skin responsible for detecting pressure and vibrations.

69 Hard

69 of 78

Remembering +4 | -1

Cell junctions called desmosomes facilitate

View answer and explanation

Correct option: C

Anchoring function

Option C (Anchoring function) is correct because desmosomes provide strong adhesion between cells, acting as anchors.

70 Hard

70 of 78

Remembering +4 | -1

The junction between epithelial cells that prevent the leakage of body fluids

View answer and explanation

Correct option: B

Tight junctions

Tight junctions are the junctions between epithelial cells that prevent the leakage of body fluids by creating a seal.

71 Hard

71 of 78

Understanding +4 | -1

Loss of water from body occurs by all of the following except

View answer and explanation

Correct option: A

Muscles

Option A (Muscles) is correct because muscles primarily function in movement and do not directly contribute to water loss from the body.

72 Hard

72 of 78

Remembering +4 | -1

Tadpole’s tail is a/an

View answer and explanation

Correct option: D

Locomotory organ

Option D (Locomotory organ) is correct because the tadpole's tail is primarily used for swimming, which is its mode of locomotion.

73 Hard

73 of 78

Remembering +4 | -1

Haversian canal in the bone of mammals are connected by small blood vessel canal called

View answer and explanation

Correct option: B

Volkmann's canal

Option B (Volkmann's canal) is correct because Volkmann's canals connect Haversian canals, allowing blood vessels and nerves to extend throughout the bone.

74 Hard

74 of 78

Remembering +4 | -1

Which of the following is correct for the circulatory system of cockroach?

View answer and explanation

Correct option: D

It is present on the dorsal side and it has ten abdominal and three thoracic units of heart

Option D (It is present on the dorsal side and it has ten abdominal and three thoracic units of heart) is correct because the cockroach heart is located dorsally and consists of 13 chambers: 10 in the abdomen and 3 in the thorax.

75 Hard

75 of 78

Remembering +4 | -1

Embryonic connective tissue is derived from

View answer and explanation

Correct option: D

mesenchyme

Option D (mesenchyme) is correct because embryonic connective tissue is derived from mesenchyme, a loosely organized tissue of embryonic origin.

Explore Other Chapters in BIOLOGY

View All →

ANIMAL KINGDOM 756 MCQs PLANT KINGDOM 415 MCQs ANATOMY OF FLOWERING PLANTS 404 MCQs MOLECULAR BASIS OF INHERITANCE 404 MCQs CHEMICAL COORDINATION AND INTEGRATION 387 MCQs PRINCIPLE OF INHERITANCE AND VARIATION 374 MCQs

76 Hard

76 of 78

Remembering +4 | -1

Velamen tissues are associated with:

View answer and explanation

Correct option: C

absorption of moisture

Option C (absorption of moisture) is correct because velamen tissues, found in epiphytic orchids, are specialized for absorbing moisture from the air.

77 Hard

77 of 78

Understanding +4 | -1

Which of the following statement(s) is/are correct regarding respiratory system of cockroach?
(i) It consists of a network of trachea, that open through 12 pairs of small holes called spiracles present on the lateral side of the body.
(ii) Thin branching tubes carry oxygen from the air to all the parts.
(iii) The opening of the spiracles is regulated by sphincters.
(iv) Exchange of gases take place at the tracheoles by diffusion.

View answer and explanation

Correct option: C

(ii), (iii) and (iv)

Option C ((ii), (iii) and (iv)) is correct because statements (ii), (iii), and (iv) accurately describe the respiratory system of a cockroach.

78 Hard

78 of 78

Remembering +4 | -1

Increase in capillary permeability is induced by:

View answer and explanation

Correct option: C

histamine

Option C (histamine) is correct because histamine is a chemical released by mast cells that increases capillary permeability, leading to inflammation.

Revision notes and key takeaways

Review STRUCTURAL ORGANISATION IN ANIMALS in your textbook or class notes, then use this set to check your understanding.

Showing 61-78 of 78 questions

Continue Your Practice

📚 Switch Set (HARD)

Chapter Sets

ALL 307 MCQs EASY 107 MCQs HARD 78 MCQs MEDIUM 122 MCQs

0 /78

0✓ 0✗

0% Accuracy