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Q.65 In a genetic cross between a true–breeding tall parent bearing red flowers and atrue–breeding dwarf parent bearing white flowers, only tall plants with redflowers are obtained in the F1 […]

Q.64 Which of the following reactions in plants is/are catalyzed by the malic enzymes?(A) Malate + NAD+ → Pyruvate + CO2 + NADH(B) Malate + NAD+ ⇌ Oxaloacetate + NADH(C) […]

Q.63 If rabbits are introduced in an isolated grassland for the first time, whichof the following growth curves (shown using dashed line) is/are theoreticallypossible population dynamics over time? (A) P(B) […]

Q.62 Which of the following sequential reactions correctly represent(s) the flow ofelectrons from NADH to O2 in plant mitochondrial electron transport chain?(A) NADH dehydrogenase → Ubiquinone → Succinate dehydrogenase →Cytochrome […]

Q.61 Correctly match the enzymes used as selectable markers (Group I) and the chemicals used for their selection (Group II). Group I Group II (P) Neomycin phosphotransferase (1) Bialaphos (Q) […]

Q.60 Correctly match the following Arabidopsis genes (Group I) and the biological processes they primarily regulate (Group II). Group I Group II (P) CLAVATA3 (Q) CONSTANS (R) SCARECROW (S) AGAMOUS […]

Q.59 Correctly match the economically important specialized metabolites (Group I) with their broad chemical classes (Group II). Group I                        […]

Q.58 The following table summarizes the flowering time behavior (days to flower) and the transcript levels in four genotypes of a plant species. Genotype Days to flower Transcript level of […]

Q.57 Correctly match the photosynthetic pathways (Group I) with their first stable products (Group II) in respective plants (Group III) Group I Group II Group III (P) C3 cycle (1) […]

Q.56 Consider a diploid plant species where the cells in the epidermis (the outermostsingle cell layer) always divide in the anticlinal orientation. If one such cell withinthe central zone of […]