HARD
NEET
IMPORTANT
Earn 100
Which of the following statements is/are false about columnar epithelium?
(i) It is made of tall and slender cells.
(ii) Free surface may have microvilli.
(iii) They are found in the stomach and intestine and help in secretion and absorption.
(iv) Ciliated epithelium is mainly present in hollow structures like bronchioles and Fallopian tubes.
(v) They have apical nuclei.
75% studentsanswered this correctly
Important Questions on Structural Organisation in Animals
EASY
NEET
IMPORTANT
The type of epithelial cells which line the inner surface of Fallopian tubes, bronchioles and small bronchi are known as
MEDIUM
NEET
IMPORTANT
Pick the odd one in each series and select the correct option.
(i) Areolar tissue, blood, neuron, tendon
(ii) Salivary gland, gastric gland, tear gland, thyroid gland
(iii) Adrenal gland, sweat gland, milk gland, oil gland
EASY
NEET
IMPORTANT
Pseudostratified epithelium is found in
MEDIUM
NEET
IMPORTANT
Read the following statements and select the correct option.
Statement 1: Urinary bladder is lined by transitional epithelium.
Statement 2: Transitional epithelium keeps the size of the bladder constant at all times.
EASY
NEET
IMPORTANT
The cell junctions namely tight, adhering and gap junctions are found in
HARD
NEET
IMPORTANT
Which of the following statements about cell junctions are correct?
(i) All the cells of the epithelium are held together with little intercellular materials.
(ii) In almost all animal tissues specialised junctions provide both structural and functional link between their individual cells.
(iii) Tight junctions prevent substances from leaking across a tissue.
(iv) Adhering junctions provide cementing to keep neighbouring cells together.
(v) Gap junctions provide cytoplasmic channels between cells for passage of ions, small molecules and sometimes big molecules.
EASY
NEET
IMPORTANT
Blood brain barrier in adults have _____ junctions between cells.
MEDIUM
NEET
IMPORTANT
'Mummies' of Egypt still have their arteries preserved due to the presence of
