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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 […]

Q.55 In the history of photosynthetic research, the empirical reaction of photosynthesis was first proposed for green plants (equation 1), followed by another reaction for purple sulfur bacteria (equation 2), […]

Q.54 If an egg cell of a diploid plant species has 10 chromosomes, the expectednumber of chromosomes in a double trisomic somatic cell of this specieswould be _______________ (Answer in […]

Q.53 Which of the following molecular approaches can be used to generate completeknock–out of a target gene in plants?(A) Homologous recombination(B) CRISPR–Cas9(C) Antisense RNA technique(D) Activation tagging CRISPR-Cas9 is the […]

Q.52 Identify the correct statement(s) with respect to plant disease.(A) Hairy root disease in tobacco is caused by Agrobacterium tumefaciens(B) Loose smut of barley is caused by Ustilago nuda(C) Stem […]