Structural Organisation in Animals

In some individuals, the palms of the hands feel excessively wet. What could be the reason behind this?

The basic shape of tooth is derived from dentin, which is a ____ tissue?

Assertion - (A) The hepatic portal vein exhibits a wide lumen and comparatively thinner tunica media. Reason - (R) Its endothelial lining is arranged in a tessellated pattern to facilitate exchange between blood and…

The ____________ is/are present in the pulp of the tooth?

Alveolar wall is made up of ------- epithelium resting on a basement membrane of connective tissue.

Identify the tissue shown in the diagram and match with its characteristics and its location?

The four sketches (I, II, III and IV) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function? I. II.…

Given below is the diagrammatic sketch of a certain type of connective tissue. Identify the parts labelled A, B, C and D, and select the right option about them

Match list - Iwiththe list - II. List-$I$ List-$\mathrm{II}$ (a) Bronchioles (i) Dense regular connective tissue (b) Goblet cell (ii) Loose connective tissue (c) Tendons (iii) Glandular tissue (d) Adipose tissue (Iv)…

Match the following columns with reference to cockroachesand select the correct option: Column$-I$ Column$-\mathrm{II}$ (a) Grinding of the food particles (i) Hepatic caeca (b) Secrete gastric juice (ii)…

Match List I with List II. List I List II A. Mast cells I. Ciliated epithelium B. Inner surface of bronchiole II. Areolar connective tissue C. Blood III. Cuboidal epithelium D. Tubular parts of nephron IV. Specialised…

In cockroach excretion is brought about by- A. Phallic gland B. Urecose gland C. Nephrocytes D. Fat body E. Collaterial glands Choose the correct answer from the options given below: