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Q.56 Identify the floral formula with the family and the corresponding plant species General Floral Formula Family Plant P. ⊕ ⚥ P0 or 2-3, A3 or 3+3, G1 or (3) […]

Q.55 In naturally occurring cytoplasmic male sterility, the molecular determinant is located in (A) Chloroplast (B) Endoplasmic reticulum (C) Golgi complex (D) Mitochondria Cytoplasmic Male Sterility: Molecular Determinant Revealed Cytoplasmic […]

Q.54 For successful transfer of a foreign gene from the engineered Ti-plasmid to the plant genome, few cis-acting DNA elements and trans-acting protein factors are very much essential. Select the […]

Q.53 The two enzymes commonly used for isolation of protoplasts from plants are (A) Cellulase and Lipase (B) Cellulase and Amylase (C) Pectinase and Cellulase (D) Pectinase and Lipase Plant […]

Q.52 Considering environment and ecosystem, identify the INCORRECT statement (A) In detrital food chain, it is very difficult to measure the energy flow although the use of radioactive tracers give […]

Q.51 In the symbiotic nitrogen fixation process, Leghemoglobin present in the nodule helps in fixing nitrogen in presence of the enzyme (A) Nitrate synthetase (B) Nitrate synthase (C) Glutathione synthetase […]

Q.50 Identify the event that exclusively occurs in meiotic cell division (A) Chromatid formation (B) Spindle formation (C) Synapsis (D) Chromosome movement to pole Meiosis Exclusive Event: Synapsis vs Mitosis […]

Q.49 The aflatoxin found in post-harvested grains is injurious to health due to (A) Aspergillus (B) Alternaria (C) Fusarium (D) Phytopthora Aflatoxin in Post-Harvest Grains: Health Hazard from Aspergillus Aflatoxins […]

Q.48 Which one of the following statements having the terms – gene, chromosome and genome is CORRECT? (A) The rice gene contains about 50,000 genomes located on 12 different chromosomes […]

Q.47 During cellular respiratory process, pyruvate must be oxidized to acetyl CoA and CO2 before it enters the citric acid cycle. The corresponding simplified equation is: Pyruvate + NAD+ + CoASH […]