Post Type for Questions and Answers
Which one of the following bacterial species can cause atypical pneumonia? (A) Chlamydia pneumoniae (B) Streptococcus pneumoniae (C) Klebsiella pneumoniae (D) Haemophilus influenzae
Which of the following combinations of plant secondary metabolites and their functions is/are CORRECT? (A) Anthocyanin − Herbivore deterrence (B) Pyrethrin − Insecticidal activity (C) Phytoalexins − Antifungal activity (D) Tannins − Pollinator attraction
Identify the CORRECT combination(s) between the enzymes in Group 1 and the reactions in Group 2 they catalyze. Group 1 Group 2 (P) Superoxide dismutase (i) Formation of hydrogen peroxide (Q) Phosphoenolpyruvate carboxylase (ii) Formation of oxaloacetate (R) Ribulose 1,5-bisphosphate carboxylase/oxygenase (iii) Formation of 3-phosphoglycerate (S) Hexokinase (iv) Formation of glucose-6-phosphate (A) P−iii, Q−ii, R−iv, … Read more
Identify the CORRECT combination(s) of plant natural products and the categories they belong to. (A) Dhurrin − Phenolic compounds (B) Farnesene − Terpenoids (C) Naringenin − Cyanogenic glycosides (D) Vincristine − Alkaloids
Which of the following combinations of plant diseases and the types of their causal organisms is/are CORRECT? (A) Late blight of potato − Bacteria (B) Black rot of crucifer − Bacteria (C) Tungro disease of rice − Mycoplasma (D) Root knot of tomato − Nematode
Match the types of ecological energy productivity in Group 1 with their respective definitions in Group 2. Group 1 Group 2 (P) Net primary productivity (i) Total amount of energy produced by autotrophs (Q) Gross primary productivity (ii) Amount of energy stored by autotrophs after respiration (R) Net productivity (iii) Net gain of energy by … Read more
Match the types of ecological interactions in Group 1 with their respective definitions in Group 2. Group 1 Group 2 (P) Protocooperation (i) One species is harmed but the other is neither harmed nor benefited (Q) Commensalism (ii) A type of mutualism where one species is benefited more than the other (R) Amensalism (iii) Both … Read more
Match the plant products in Group 1 with the plant species in Group 2 that produce them and the respective plant parts in Group 3 where they accumulate the most. Group 1 Group 2 Group 3 (P) Liquorice (i) Cinchona calisaya (a) Leaf (Q) Quinine (ii) Lawsonia inermis (b) Root (R) Henna (iii) Glycyrrhiza glabra … Read more
With reference to Agrobacterium tumefaciens mediated plant transformation, match the virulence factors in Group 1 with their protein types in Group 2. Group 1 Group 2 (P) VirG (i) Kinase (Q) VirA (ii) Helicase (R) VirE (iii) Transcriptional activator (S) VirC (iv) Single strand binding protein (A) P−i, Q−ii, R−iv, S−iii (B) P−iii, Q−i, R−ii, … Read more
Match the inhibitors in Group 1 with their respective targets in Group 2. Group 1 Group 2 (P) Oligomycin (i) Cytochrome bc1 complex (Q) Antimycin A (ii) Photosystem II (R) 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU) (iii) K+^++ ionophore (S) Valinomycin (iv) FO ATP synthase (A) P−i, Q−ii, R−iii, S−iv (B) P−iv, Q−i, R−ii, S−iii (C) P−iii, Q−i, R−iv, … Read more