Recent questions and answers in Structural Organisation in Animals

In cockroach, identify the parts of the foregut in correct sequence : (1) Mouth → Pharynx → Oesophagus → Crop → Gizzard (2) Mouth → Oesophagus → Pharynx → Crop → Gizzard (3) Mouth → Crop → Pharynx → Oesophagus → Gizzard (4) Mouth → Gizzard → Crop → Pharynx ...

Select the incorrectly matched pair from following : (1) Ostcocytes - Bone cells (2) Chondrocytes - Smooth muscle cells (3) Neurons - Nerve cells (4) Fibroblast - Areolar tissue

Match the following columns with reference to cockroach and select the correct option: Column-I Column-II (a) Grinding of the food particles (i) Hepatic caecae (b) Secrete gastric juice (ii) 10th segment (c) 10 pairs (iii) Proventriculus (d) Anal Cerci (iv)...

The terga, sterna and pleura of cockroach body are joined by (a) arthrodial membrane (b) cartilage (c) cementing glue (d) muscular tissue.

Which of the following features is not present in Periplaneta americana ? (a) Exoskeleton composed of N­acetylglucos­ amine (b) Metamerically segmented body (c) Schizocoelom as body cavity (d) Indeterminate and radial cleavage during embryonic development

The function of the gap junction is to (a) separate two cells from each other (b) stop substance from leaking across a tissue (c) performing cementing to keep neighbouring cells together (d) facilitate communication between adjoining cells by connecting the...

Choose the correctly matched pair. (a) Tendon ­ Specialized connective tissue (b) Adipose tissue ­ Dense connective tissue (c) Areolar tissue ­ Loose connective tissue (d) Cartilage ­ Loose connective tissue

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of (a) urea (b) calcium carbonate (c) ammonia (d) potassium urate.

Which type of tissue correctly matches with its location ? Tissue Location (a) Transitional epithelium Tip of nose (b) Cuboidal epithelium Lining of stomach (c) Smooth muscle Wall of intestine (d) Areolar tissue Tendons

Smooth muscles are (a) involuntary, fusiform, non­striated (b) voluntary, multinucleate, cylindrical (c) involuntary, cylindrical, striated (d) voluntary, spindle­shaped, uninucleate.

In male cockroaches, sperms are stored in which part of the reproductive system ? (a) Seminal vesicles (b) Mushroom glands (c) Testes (d) Vas deferens

Frog's heart when taken out of the body continues to beat for sometime. Select the best option from the following statements. (1) Frog is a poikilotherm. (2) Frog does not have any coronary circulation. (3) Heart is myogenic in nature. (4) Heart is ...

Select the correct route for the passage of sperms in male frogs. (a) Testes $\to$ Vasa efferentia $\to$ Kidney $\to$ Seminal vesicle $\to$ Urinogenital duct $\to$ Cloaca (b) Testes $\to$ Vasa efferentia $\to$ Bidder's canal $\to$ Ureter $\to$ Cloaca (c) ...