MCQ
Non-ciliated simple columnar epithelium often contains which increase the surface area for secretion and absorption.
- Aflagella
- Bcollagen fibres
- ✓microvilli
- Dall of these
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$I.$ Cytokinins suppress the synthesis of chlorophyll.
$II.$ Auxins control apical dominance.
$III.$ Gibberellins promote shoot elongation.
$IV.$ Abscisic acid enabling seeds to withstand desiccation.
Which of the above statements are correct
| List $I$ | List $II$ |
| $A$ Unicellular glandular epithelium | $I$ Salivary glands |
| $B$ Compound epithelium | $II$ Pancreas |
| $C$ Multicellular glandular epithelium | $III$ Goblet cells of alimentary canal |
| $D$ Endocrine glandular epithelium | $IV$ Moist surface of buccal cavity |
choose the correct answer from the options given below:
Assertion $A$: Nephrons are of two types: Cortical and Juxta medullary, based on their relative position in cortex and medulla.
Reason $R$: Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop of Henle.
In the light of the above statements, choose the correct answer from the options given below: