Biology
Choose the odd term out from each of the following set of terms. Mention the category to which the remaining three belong:
(a) Sulphur dioxide, Oxygen, Carbon monoxide, Nitrogen dioxide.
(b) Pons, Epidermis, Xylem, Phloem.
(c) Tympanum, Pinna, Auditory canal, Malleus.
(d) Ureter, Urethra, Uterus, Renal Pelvis.
(e) Stomata, Lenticles, Cuticle, Root hair.
Pollution
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Answer
(a) Odd term — Oxygen
Category of the remaining terms — Air Pollutants.
(b) Odd term — Pons
Category of the remaining terms — Plant tissues.
(c) Odd term — Malleus
Category of the remaining terms — Parts of outer ear.
(d) Odd term — Uterus
Category of the remaining terms — Parts of Excretory system.
(e) Odd term — Root hairs
Category of remaining terms — Structures involved in transpiration in plants.
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