Q. No.
Embryologically, the body of cockroach is formed of 20 segments. What is the number in each region?
1. Head - 6; Thoracic - 3; Abdominal - 11
2. Head - 1; Thoracic - 3; Abdominal - 10
3. Head - 3; Thoracic - 3; Abdominal - 11
4. Head - 0; Thoracic - 3; Abdominal – 10
The presence of anal styles distinguishes male cockroaches from females. It is present on :
1. Ninth tergite
2. Ninth sternite
3. Tenth tergite
4. Tenth sternite
Seminal vesicles :
1. are a part of reproductive system of male cockroach and are associated with utricular gland
2. are a part of reproductive system of female cockroach and are associated with utricular gland
3. are a part of reproductive system of male cockroach and are associated with conglobate gland
4. are a part of reproductive system of female cockroach and are associated with collaterial gland
1. Labium
2. Labrum
3. Hypopharynx
4. Proventriculus
Assertion : Mast cells in the human body release excessive amounts of inflammatory chemicals which cause allergic reactions.
Reason : Allergens in the environment on reaching human body stimulate mast cells in certain individuals.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Assertion : Histamine is related with allergic and inflammatory reactions.
Reason : Histamine is a vasodilator.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Assertion : Specialization of cells is advantageous for the organism.
Reason : It increase the operational efficiency of an organism.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Assertion : Cartilage (protein matrix) and bone (calcium matrix) are rigid connective tissue.
Reason : Blood is connective tissue in which plasma is the matrix.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Bones possess longitudinal canals called lacunae. |
| Reason (R): | Lacunae carry blood vessels & nerves to the bones. |
In light of the above statement, choose the most appropriate answer from the options given below:
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
© 2025 GoodEd Technologies Pvt. Ltd.