What are the structures labeled 1, 2, 3 and 4 respectively in the given diagram?

 

1. Lamellae, Osteocyte, Haversian canal, Canaliculi
2. Lamellae, Osteocyte, Volkman’s canal, Canaliculi
3. Canaliculi, Osteocyte, Haversian canal, Lamellae
4. Canaliculi, Osteocyte, Volkman’s canal, Lamellae

Match each item in Column I [Type of cartilage] with one in Column II [Location] and select the correct answer from the codes given:

Codes
    A B C
1. a  b c
2. c  b a
3. c  a b
4. a  c b

In cockroach, a chitinous hard exoskeleton covers:
1. The head segment only
2. The head and the thorax segment only
3. The thorax and the abdomen only
4. The entire body

A pair of walking legs in cockroach is borne by:
1. The first two thoracic segments only
2. Each thoracic segment
3. The 2nd and 3rd thoracic and first abdominal segments
4. The abdominal segments

In male cockroaches, the genital pouch is bounded by:

The genital pouch in female cockroach is formed by:
1. 7th, 8th and 9th tergites
2. 7th, 8th and 9th sternites
3. 8th, 9th and 10th tergites
4. 8th, 9th and 10th sternites

Anal styles are borne on the:

Mosaic vision in Periplaneta is characterized by:
1. High sensitivity but low resolution
2. Low sensitivity but high resolution
3. High sensitivity and high resolution
4. Low sensitivity and low resolution

The respiratory system of cockroach consists of a network of tracheae that open through how many spiracles present on the lateral side of the body?
1. 5
2. 5 pairs
3. 20
4. 20 pairs

Identify the incorrect statement regarding the blood vascular system of cockroach:
1. Blood vessels are poorly developed and open into hemocoel
2. The hemolymph is composed of colorless plasma and hemocytes
3. Heart lies along the mid-ventral line of thorax and abdomen
4. Blood from sinuses enter heart through ostia