8
MCQ (Single Correct Answer)
Match the following.
| Column I | Column II | ||
|---|---|---|---|
| A. | Hermnaphrodite | 1. | Produces blood cells and haemoglobin |
| B. | Direct development | 2. | Testis and ovary in the same animal |
| C. | Chemoreceptor | 3. | Larval from absent |
| D. | Blood gland in earthworm | 4. | Sense of chemical substances |
A
A-2, B-3, C-4, D-1
B
A-3, B-2, C-4, D-1
C
A-1, B-3, C-2, D-4
D
A-2, B-4, C-3, D-1
9
MCQ (Single Correct Answer)
Match the following with reference to cockroach and choose the correct option.
| Column I | Column II | ||
|---|---|---|---|
| A. | Phallomere | 1. | Chain of developing ova |
| B. | Gonopore | 2. | Bundles of sperm |
| C. | Spermatophore | 3. | Opening of the ejaculatory duct |
| D. | Ovarioles | 4. | The external genitalia |
A
A-3, B-4, C-2, D-1
B
A-4, B-3, C-2, D-1
C
A-4, B-2, C-3, D-1
D
A-2, B-4, C-3, D-1
10
MCQ (Single Correct Answer)
Match the following.
| Column I | Column II | ||
|---|---|---|---|
| A. | Touch | 1. | Nasal epithelium |
| B. | Smell | 2. | Foramen magnum |
| C. | Cranial nerves | 3. | Sensory papillae |
| D. | Medulla oblongata | 4. | Peripheral nervous system |
A
A-3, B-1, C-2, D-4
B
A-2, B-1, C-4, D-3
C
A-3, B-4, C-2, D-1
D
A-3, B-1, C-4, D-2
11
State the number of segments in earthworm which are covered by a prominent dark band or clitellum.
Explanation
Segments 14-16 are covered by a prominent dark band of glandular tissue called clitellum in a mature earthworm.
Which secretes mucus and albumen that help in formation of cocoon and is used for fertilisation of eyes and sperms.
12
Where are sclerites present in cockroach?
Explanation
Sclerites are present in all the body segments of cockroach. These are of two types Dorsal sclerites often known as tergites, and Ventral sclerites which are referred to as sternites.