Bone mineral is a modified
(1) Collagen
(2) Hyaluronic acid
(3) Hydroxyapatite
(4) Ossein
Smooth muscles do not contain
(1) Actin
(2) Myosin
(3) Cytoplasmic reticulum
(4) Troponin
Which of the following is not associated with epithelium?
(1) Cells are compactly packed with no intercellular space
(2) It is highly vascularized
(3) It forms covering or lining of external and internal surfaces
(4) It helps in protection, secretion, absorption, respiration, etc.
Which of the following is false about columnar epithelium?
I. It is made of tall and slender cells
II. Free surface may have microvilli
III. They are found in stomach and intestine and help in secretion and absorption
IV. Ciliated epithelium is mainly present in hollow structure like bronchioles and fallopian tubes / oviducts
V. They have apical nuclei
(1) Only I
(2) Only V
(3) Only II and IV
(4) Only II and III
Which type of tissue forms glands?
(1) Nervous
(2) Epithelium
(3) Muscular
(4) Connective
Observe the following figures:
Figure A and B indicate glands while Figure C indicates specific type of tissues. Identify these figures:
|
A |
B |
C |
(1) |
Unicellular gland |
Multicellular gland |
Compound epithelium |
(2) |
Unicellular gland |
Multicellular gland |
Pseudostratified epithelium |
(3) |
Multicellular gland |
Unicellular gland |
Pseudostratified epithelium |
(4) |
Unicellular gland |
Goblet gland |
Pseudostratified epithelium |
Which of the following statement is false about the compound epithelium?
I. It consists of several layers
II. It covers the dry surface of the skin, the moist surface of buccal cavity, pharynx, inner lining of ducts of salivary glands and pancreatic ducts
III. It provides protection against chemical and mechanical stresses
IV. Being multilayered it has a great role in secretion and absorption
(1) Only II
(2) Only IV
(3) Only I and IV
(4) Only II
Which of the following is not true of connective tissue?
I. Connective tissues are most abundant and widely distributed in the body of complex animals
II. They connect and support other tissues
III. They include such diverse tissues as bone. cartilage, tendons, adipose and loose connective tissues
IV. They form the internal and external lining of many organs
V. In all connective tissues except blood, the cells secrete fibres of structural proteins called collagen or elastin
(1) Only IV
(2) Only V
(3) Only I and II
(4) Only III and V
Which of the following contains the largest quantity of extracellular materials?
(1) Striated muscles
(2) Areolar connective tissue
(3) Striated epithelium
(4) Myelinated nerve fibres
The major constituent of connective tissue is:
(1) Lipid
(2) Carbohydrates
(3) Cholesterol
(4) Collagen