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

• muscular tissue

• connective tissue

• epithelial tissue

• epithelial tissue

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

• cuboidal epithelium

• columnar epithelium

• ciliated columnar epithelium

• ciliated columnar epithelium

If for some reason our goblet cells are non -functional, this will adversely effect

• Production of somatostatin

• secretion of sebum from the sebaceous glands

• maturation of sperms

• maturation of sperms

In which one of the following organism, its excretory organs are correctly stated?

• Humans- Kidneys, sebaceous glands and tear glands

• Earthworm -Pharyngeal, integumentary and septal nephridia

• Cockroach - Malpighian tubules and enteric caeca

• Cockroach - Malpighian tubules and enteric caeca

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

• cuboidal

• glandular

• ciliated

• ciliated

Uric acid is the chief nitrogenous component of the excretory products of 

• man

• earthworm

• cockroach

• cockroach

If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is

• excretory fluid

• coelomic fluid

• haemolymph

• haemolymph

Which one of the following is the true description of an animal concerned?

• Earthworm - The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine.

• Frog - Body divisible into three regions- head, neck and trunk

• Rat - Left kidney is slightly higher in position that the right one

• Rat - Left kidney is slightly higher in position that the right one

Which one of the following pair of items correctly belongs to the category of organs mentioned against it? 

• Thorn of  Bougainvillea and tendrils of Cucurbita - Analogous organs

• Nictitating membrane and blind spot in human eye - Vestigial organs

• Nephridia of earthworm and Malpighian tubules of cockroach - Excretory organs

• Nephridia of earthworm and Malpighian tubules of cockroach - Excretory organs

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

• Ciliated epithelium.

• Thrombocytes

• Tendon

• Tendon