on the basement membrane. Being multi-layered, compound epithelia have little role in secretion or absorption, but they provide protection to underlying tissues against mechanical, chemical, thermal or osmotic stresses. Compound epithelia may be stratified or transitional.
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| Column-l | Column-II |
| A. Cuticle | i. Guard cells |
| B. Bulliform cells | ii. Single layer |
| C. Stomata | iii. Waxy layer |
| D. Epidermis | iv. Empty colourless cell |
$R$ - Methanogens are used for fermentingmalted cereals and fruit juices to produceethanol.
| Column $- I$ | Column $- II$ |
| $(a)$ Contraceptive pilll | $(1)$ Ejaculated semen would not enter into the female reproductive tract |
| $(b)$ Condom | $(2)$ Inhibit ovulation and implantation |
| $(c)$. Sterilsation | $(3)$ Increase phagocytosis of sperms |
| $(d)$ IUDs | $(4)$ Blocks gariete transport |