19
Question Choose the odd one out from the following terms and name the category to which the others belong :
(i) Chloroplast, Chromoplast, Chromosome, Leucoplast
(ii) Adenine, Adrenaline, Thymine, Cytosine
(iii) Thrombokinase, Thrombocytes, Leucocytes, Erythrocytes
(iv) Urea, Uric acid, Urochrome, Ammonia
(v) Wisdom teeth, Oesophagus, Vermiform appendix, Ear pinna
(i) Odd one : Chromosome
Chloroplast, Chromoplast, Leucoplast — Plastids
(ii) Odd one : Adrenaline
Adenine, Thymine, Cytosine — Nitrogenous base
(iii) Odd one : Thrombokinase
Thrombocytes, Leucocytes, Erythrocytes — Blood cells
(iv) Odd one : Urochrome
Urea, Uric acid, Ammonia — Constituents of urine
(v) Odd one : Oesophagus
Wisdom teeth, Vermiform appendix, Ear pinna — Vestigial organs