Morphology of Cockroach

Q.

The terga, sterna and pleura of cockroach bodies are joined by

1. Arthrodial membrane

2. Cementing glue

3. Cartilage

4. Muscular tissue

Q. Which of the following is not present in Periplaneta americana?

1. Schizocoelom as body cavity
2. Indeterminate and radial cleavage during embryonic development
3. Exoskeleton composed of N-acetylglucosamine
4. Metamerically segmented body

Q. Cockroach is

1. diurnal and herbivorous
2. nocturnal and carnivorous
3. diurnal and omnivorous
4. nocturnal and omnivorous

Q. Compound eyes are found in

1. earthworm
2. cockroach
3. roundworm
4. flatworm

Q.

Fill up the missing words in relation with thorax in cockroach :

The Fore wings in roaches are called________(i)________. They are opaque, dark and leathery and cover the_______(ii)_____ when at rest. The hind wings are _______(iii)________, membranous and are used in _____(iv)____.

1. (i) $\Rightarrow$ Flight, (ii) $\Rightarrow$Tegmina or Elytra, (iii) $\Rightarrow$Hind wings, (iv) $\Rightarrow$Transparent
2. (i) $\Rightarrow$Tegmina or Elytra, (ii) $\Rightarrow$Hind wings, (iii)$\Rightarrow$Transparent, (iv) $\Rightarrow$ Flight
3. (i) $\Rightarrow$ Transparent, (ii) $\Rightarrow$ Flight, (iii) $\Rightarrow$Tegmina or Elytra, (iv) $\Rightarrow$Hind wings.
4. (i)$\Rightarrow$ Hind wings, (ii) $\Rightarrow$Transparent, (iii) $\Rightarrow$ Flight, (iv) $\Rightarrow$Tegmina or Elytra.

Q. The terga sterna and pleura of cockroach body are joined by

1. Cementing glue
2. Muscular tissue
3. Arthrodial membrane
4. Cartilage

Q. The flexible membrane that joins the sclerites in arthropods is known as

1. articular membrane
2. arthrodial membrane
3. both a and b
4. none of the above

Q. In cockroach, the sclerites present on the dorsal side are called .

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

Q. The exoskeleton in cockroach consists of hardened plates known as

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

Q.

Do cockroaches bite humans?

Q. Which of the following features is not present in Periplaneta americana?

1. Schizocoelom as body cavity
2. Indeterminate and radial cleavage during embryonic development
3. Exoskeleton composed of N - acetylglucosamine
4. Metamerically segmented body