Head and Mouth Parts in Cockroach

Q.

Mouth parts of a housefly are of

1. Sponging type

2. Sucking type

3. Siphoning type

4. Piercing type

Q.

Describe the head of the cockroach.

Q. Largest sclerite of head in cockroach is__________

1. Clypeus
2. Frons
3. epicranial plate
4. Gena

Q. The type of mouth parts present in cockroach are

1. piercing and sucking type
2. sponging type
3. siphoning type
4. biting and chewing type

Q. The head of the cockroach is called

1. epignathous
2. hypognathous
3. agnathous
4. none of the above

Q. The exoskeleton in cockroach is made up of plates called

1. sclerites
2. tergites
3. sternites
4. arthrodial membrane

Q.

Match the following terms with their morphology with regard to cockroach:

Column I	Column II
1. Chitin	a. Hard exoskeleton plates
2. Sclerites	b. Articular membrane
3. Tergites	c. Protein of exoskeleton
4. Sternites	d. Sclerites on dorsal side
5. Arthrodial membrane	e. Sclerites on ventral side

1. 1.$\Rightarrow$ c, 2.$\Rightarrow$ d, 3.$\Rightarrow$ e, 4.$\Rightarrow$b, 5.$\Rightarrow$ a.

2. 1.$\Rightarrow$ d, 2.$\Rightarrow$ e, 3.$\Rightarrow$ a, 4.$\Rightarrow$ b, 5.$\Rightarrow$ c.

3. 1.$\Rightarrow$ c, 2.$\Rightarrow$ a, 3.$\Rightarrow$ d, 4.$\Rightarrow$ e, 5.$\Rightarrow$ b.

4. 1.$\Rightarrow$ b, 2.$\Rightarrow$ a, 3.$\Rightarrow$ c, 4.$\Rightarrow$ d, 5.$\Rightarrow$ e.

Q. Fill in the correct number of mouth parts of a cockroach.

Mouth Part	Number
Labrum
Mandibles
Maxillae
Labium
Hypopharynx

1. 1, 2, 1, 1, 2
2. 2, 2, 2, 2, 1
3. 1, 2, 2, 1, 1
4. 1, 2, 2, 1, 2

Q. How many segments fuse together to form the head of the cockroach?

1. 5 segments
2. 4 segments
3. 6 segments
4. 7 segments

Q. When the mouth parts of a cockroach are observed, it appears that they are placed in a typical downward arrangement with a smaller upper lip (labrum) and a larger lower lip (labium).This sort of arrangement is called______________________ condition.

1. Prognathous
2. Hypognathous
3. Opisthognathous
4. None of the above

Q. Mouth of a cockroach are placed in a downward arrangement with a smaller upper lip and a larger lower lip. This arrangement is called .

1. opisthognathous
2. hypognathous
3. prognathous