Choose the odd one out from the following terms and name the category to which the others belong:

ICSE Class 10 Biology PYQ · 2026 Paper · Section A

2(iii)1 Mark · 2026 · Section A · 2026 Paper

Choose the odd one out from the following terms and name the category to which the others belong:

(a) Auxin, Oxytocin, Gibberellin, Cytokinin

(b) Growth Hormone, Vasopressin, Thyroid Stimulating Hormone, Gonadotropic Hormone

(c) Urochrome, Urea, Uric acid, Nucleic acid

(d) Cervix, Chordae Tendinea, Papillary Muscles, Sinoatrial node

(e) Morula, Blastocyst, Oviduct, Foetus

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(a) Odd one : Oxytocin
Auxin, Gibberellin, Cytokinin - Plant hormones

(b) Odd one : Vasopressin
Growth Hormone, Thyroid Stimulating Hormone, Gonadotropic Hormone - Anterior pituitary gland secretions

(c) Odd one : Nucleic acid
Urochrome, Urea, Uric acid - Excretory waste products

(d) Odd one : Cervix
Chordae Tendinea, Papillary Muscles, Sinoatrial node - Parts of heart

(e) Odd one : Oviduct Morula, Blastocyst, Foetus - Stages of embryonic development

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