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Q.46 Choose the CORRECT set of matches between group I and group II in relation to nitrogen fixation and assimilation GROUP I Nitrobacter Nitrite reductase Nitrogenase Nitrate reductase GROUP II […]

Q.45 Identify the INCORRECT statement with relation to plant secondary metabolites. (A) Atropine is a member of indole alkaloids (B) Limonene is a cyclic terpene found in citrus plants (C) […]

Q.44 Which of the following is TRUE for 𝑲-strategist species? (A) Produce relatively large number of offspring (B) Population often grow exponentially (C) Provide relatively little or no parental care […]

Q.43 The phenomenon where an organism lives at the expense of another organism by harming it but not killing, is called (A) Commensalism (B) Predation (C) Symbiosis (D) Parasitism Correct […]

Q.42 Which of the following fungi is an example of obligate biotrophic plant pathogen? (A) Alternaria brassicicola (B) Botrytis cinerea (C) Puccinia triticina (D) Sclerotinia sclerotiorum Puccinia triticina (C) is […]

Q.41 Two of the vir operons of Ti plasmid in Agrobacterium tumefaciens are constitutively expressed. Identify the CORRECT pair. (A) vir 𝐴 and vir 𝐺 (B) vir 𝐹 and vir […]

Q.40 Which of the following plant hormones is a carotenoid-cleavage product? (A) Phytosulfokine (B) Brassinosteroid (C) Methyl jasmonate (D) Strigolactone Strigolactone is the plant hormone derived as a carotenoid-cleavage product. The […]

Q.39 A typical floral meristem differs from shoot apical meristem on the basis of (A) Determinate growth (B) Presence of auxin (C) Presence of stem cells (D) Negative geotropism The […]

Q.38 Among the following, which genetic material is naturally inherited through maternal inheritance in higher plants? (A) Nuclear DNA (B) Plasmid DNA (C) Chloroplast DNA (D) T-DNA The correct answer […]

Q.37 A cavity, lysigenous in origin and possessing volatile oil is found in the pericarp of one of the following plants. Identify the CORRECT answer. (A) Litchi (B) Citrus (C) […]