Chapter: Structural Organisation in Animals

Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.

Goblet cells of alimentary canal are modified from

Cuboidal epithelium with brush border of microvilli is found in

Mach the following cell structures with their characteristic features.

Select the correct option from the following

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in

Which type of tissue correctly matches with its location?

The function of the gap junction is to

Choose the correctly matched pair.

In which one of the following preparations are you likely to come across cell junctions most frequently?

The cell junctions called tight, adhering and gap junctions are found in

The ciliated columnar epithelial cells in humans are known to occur in

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

Simple epithelium is a tissue in which the cells are

Stratum germinativum is an example of which kind of epithelium?

Basement membrane is made up of

Epithelial tissue with thin flat cells appearing like packed tiles occurs on

The alveolar epithelium in the lung is

Choose the correctly matched pair.

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in

Which one of the following contains the largest quantity of extracellular material?

Compared to blood our lymph has

The most active phagocytic white blood cells are

Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically?

A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?

Areolar connective tissue joins

Mast cells of connective tissue contain

Which cartilage is present at the end of long bones?

During an injury nasal septum gets damaged and for its recovery which cartilage is preferred?

The polysaccharide present in the matrix of cartilage is known as

Formation of cartilage bones involves

Component of blood responsible for producing antibodies is

Histamine secreting cells are found in

Haversian canal occurs in

Mineral found in red pigment of vertebrate blood is

Which of the following statements wrongly represents the nature of smooth muscle?

Which of the following is not exclusively supplied with involuntary muscles?

Characteristics of smooth muscle fibres are

Which of the following characteristic is incorrect with respect to cockroach?

Following are the statements about prostomium of earthworm.
I. It serves as a covering for mouth.
II. It helps to open cracks in the soil into which it can crawl.
III. lt is one of the sensory structures.
IV. It is the first body segment.
Choose the correct answer from the options given below

In cockroach, identify the parts of the foregut in correct sequence.

Match the following columns with reference to cockroach and select the correct option from the codes given belows.

If the head of cockroach is removed, it may live for few days because

Which of the following statements is incorrect?

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth

Select the correct route for the passage of sperms in male frogs.

Frog’s heart when taken out of the body continues to beat for sometime.
Select the best option from the following statements.
I. Frog is a poikilotherm.
II. Frog does not have any coronary circulation.
III. Heart is myogenic in nature.
IV. Heart is autoexcitable.

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

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

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in theform of

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

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

Which one of the following correctly describes the location of some body parts in the earthworm Pheretima?

If a piece of bone such as femur of frog is kept in dilute HCl for about a week. It will

In frog, the surface of attachment of tongue is