2(iii)
Choose the ODD one out from the following terms and name the category to which the others belong:
(a) Mitochondria, Nucleotide, Gene, Chromatid
(b) Urea, Bile, Ammonia, Creatinine
(c) Hepatic artery, Renal artery, Pulmonary artery, Dorsal aorta
(d) Oxygen, Hydrogen, Glucose, Starch
(e) Kidney, Skin, Heart, Lungs
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(a) Odd one — Mitochondria. The others are parts of the hereditary material (chromosome and DNA).
(b) Odd one — Bile. The others are nitrogenous excretory wastes.
(c) Odd one — Pulmonary artery. The others are arteries carrying oxygenated blood.
(d) Odd one — Starch. The others are small, diffusible substances which can pass through a semi-permeable membrane.
(e) Odd one — Heart. The others are excretory organs of the human body.