Collagen is a
1. fibrous protein
2. globular protein
3. lipid
4. carbohydrate

Which one of the following contains the largest quantity of extracellular material?
1. Myelinated nerve fibres
2. Striated muscle
3. Areolar tissue
4. Stratified epithelium

Mast cells of connective tissue contain
1. vasopressin and relaxin
2. heparin and histamine
3. heparin and calcitonin
4. serotonin and melanin

Areolar connective tissue joins
1. integument to the muscles
2. bones to the muscles
3. bones to the bones
4. fat body to the muscles

Which one of the following mammalian cells are not capable of metabolizing (aerobically) glucose to carbon dioxide?

In which one of the following preparations, you are likely to come across cell junctions frequently?
1. Ciliated epithelium
2. Thrombocytes
3. Tendon
4. Hyaline cartilage

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

The cells lining the blood vessels belong to the category of
1. Smooth muscle tissue
2. Squamous epithelium
3. Columnar epithelium
4. Connective tissue

Frogs differ from humans in possessing
1. paired cerebral hemispheres
2. hepatic portal system
3. nucleated red blood cells
4. thyroid as well as parathyroid

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.