Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:

1.	Pharynx → Oesophagus → Ileum → Crop → Gizzard → Colon → Rectum
2.	Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum
3.	Pharynx → Oesophagus → Gizzard → Crop → Ileum → Colon → Rectum
4.	Pharynx → Oesophagus → Gizzard → Ileum → Crop → Colon → Rectum

In the given diagram of areolar tissue, identify a phagocytic cell:

The peculiar pungent smell of cockroach is
produced by the secretions of :
1. Pheromones

2. Flame cells

3. Abdominal glands

4. Cervical glands

The cockroach of genus Blatta also called
1. German cockroach
2. Australian cockroach
3. Oriental cockroach
4. American cockroach

Male cockroach and female cockroach can be differentiated by :
1. Ocelli

2. Anal cerci

3. Anal styles

4. Antennae

Mast cells secrete:

1. hippurin

2. myoglobin

3. histamine

4. haemoglobin

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in:

1. Vertebrae

2. Nails

3. Ear ossicle

4. tip of the nose

If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is:

1. excretory fluid

2. coelomic fluid

3. haemolymph

4. slimy mucus

Which one of the following is the correct pairing of a body part and the kind of muscle tissue that moves it?