Given below are two statements:
Statement I: Ligaments are dense irregular tissue
Statement II: Cartilage is dense regular tissue.
In the light of above statements choose the correct answer from the option given below:

NEET-2023 Structural-Organisation-in-Animals [class-xi ]

• Statement I is false but Statement III is true.
• Both Statement I and II are true
• Both Statement I and II are false
• Statement I is true but Statement II is false
Correct Option: C  [ Both Statement I and II are false ]

Remark:

Which of the following is characteristic feature of cockroach regarding sexual dimorphism?

NEET-2023 Structural-Organisation-in-Animals [class-xi ]

• Presence of anal cerci
• Dark brown body colour and anal cerci
• Presence of anal styles
• Presence of sclerites
Correct Option: C  [ Presence of anal styles ]

Remark:

Match List-I with List-II.

NEET-2023 Structural-Organisation-in-Animals [class-xi ]

• A-III, B-IV, C-II, D-I
• A-I, B-II, C-IV, D-III
• A-II, B-III, C-I, D-IV
• A-II, B-I, C-IV, D-III
Correct Option: D  [ A-II, B-I, C-IV, D-III ]

Remark:

In cockroach, excretion is brought about by:
A.Phallic gland
B.Urecose gland
C.Ncphrocytes
D.Fat body
E.Collatcrial glands
Choose the correct answer from the options given below:

NEET-2023 Structural-Organisation-in-Animals [class-xi ]

• B and D only
• A and E only
• A, B and E only
• B, C and D only
Correct Option: D  [ B, C and D only ]

Remark:

Which of the following is present between the adjacent bones of the vertebral column?

NEET-2022 Structural-Organisation-in-Animals [class-xi ]

• Intercalated discs
• Cartilage
• Areolar tissue
• Smooth muscle
Correct Option: B  [ Cartilage ]

Remark:

Which of the following is not a connective tissue?

NEET-2022 Structural-Organisation-in-Animals [class-xi ]

• Blood
• Adipose tissue
• Cartilage
• Neuroglia
Correct Option: D  [ Neuroglia ]

Remark:

Tegmina in cockroach, arises from

NEET-2022 Structural-Organisation-in-Animals [class-xi ]

• Prothorax
• Mesothorax
• Metathorax
• Prothorax and Mesothorax
Correct Option: B  [ Mesothorax ]

Remark:

Match List-I with List-II.

NEET-2022 Structural-Organisation-in-Animals [class-xi ]

• A-I, B-II, C-III, D-IV
• A-II, B-I, C-IV, D-III
• A-III, B-IV, C-II, D-I
• A-IV, B-III, C-I, D-II
Correct Option: D  [ A-IV, B-III, C-I, D-II ]

Remark:

Which of the following characteristics is incorrect with respect to cockroach?

NEET-2021 Structural-Organisation-in-Animals [class-xi ]

• A ring of gastric caeca is present at the junction of midgut and hind gut.
• Hypopharynx lies within the cavity enclosed by the mouth parts.
• In females, 7^th - 9^th sterna together form a genital pouch.
• 10^th abdominal segment in both sexes, bears a pair of anal cerci.
Correct Option: A  [ A ring of gastric caeca is present at the junction of midgut and hind gut. ]

Remark:

Which of the following statements wrongly represents the nature of smooth muscle?

NEET-2021 Structural-Organisation-in-Animals [class-xi ]

• These muscle have no striations
• They are involuntary muscles
• Communication among the cells is performed by intercalated discs
• These muscles are present in the wall of blood vessels
Correct Option: C  [ Communication among the cells is performed by intercalated discs ]

Remark: