Smooth muscles are 

(1) involuntary, fusiform, non-striated

(2) voluntary, multinucleate, cylindrical

(3) involuntary, cylindrical, striated

(4) voluntary, spindle-shaped, uninucleate

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

(1) Indeterminate and radial cleavage during embryonic development

(2) Exoskeleton composed of N-acetylglucosamine

(3) Metamerically segmented body

(4) Schizocoelom as body cavity

The terga sterna and pleura of cockroach body are joined by

1. cementing glue

2. muscular issue

3. arthrodial membrane

4. cartilage

What external changes are visible after the last moult of a cockroach nymph?

1.  Mandible become harder

2.  Anal cerci develop

3.  Both fore wings and hind wings develop

4.  Labium develops

Select the correct statement from the ones given below with respect to Periplaneta americana.

(1) Nervous system dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives

(2) Males bear a pair of short thread like anal styles

(3) There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut

(4) Grinding of food is carried out only by the mouth parts

Which of the following is correctly states as it happens in the common cockroach?

(1) Oxygen is transported by haemoglobin in blood

(2) Nitrogenous excretory product is urea

(3) The food is ground by mandibles and gizzard

(4) malpighian tubules are excretory organs projecting out from the colon

The kind of epithelium which forms the inner walls of blood vessels is 

(1) cuboidal epithelium

(2) columnar epithelium

(3) ciliated columnar epithelium

(4) squamous epithelium

The epithelial tissue present on the inner surface of bronchioles and fallopian tubes is

(1) cuboidal

(2) glandular

(3) Ciliated

(4) squamous

In male cockroaches, sperms are stored in which part of the reproductive system?

1. Seminal vesicles

2. Mushroom glands

3. Testes

4. Vas deferens