(A) O₂
(B) CO₂
(C) H₂
(D) CH₄

(A) cells

(B) atoms
(C) molecules
(D) compounds

(A) blue biotechnology
(B) white biotechnology
(C) green biotechnology
(D) yellow biotechnology

(A) biotechnology
(B) bioinformatics
(C) genetic engineering
(D) clinical chemistry

(A) Paper Chromatography
(B) Liquid Chromatography
(C) Gas Chromatography
(D) Thin-layer Chromatography

(A) nitrification
(B) chromatography
(C) catalysis
(D) fermentation

(A) Nucleus

(B) Vacuoles

(C) Cytoplasm

(D) Mitochondria

(A) Anaemia

(B) Kwashiorkor

(C) Hypothyroidism

(D) All of the above

(A) The helical structure of the protein

(B) Subunit structure of the protein

(C) Three-dimensional structure of the protein

(D) The sequence of amino acids joined by a peptide bond

(A) Proteins

(B) Nucleic acids

(C) Carbohydrates

(D) DNA molecule