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Q.59 Identify the correct matching by taking one item from each column Column – I Column – II Column – III P. Morphine Q. Nicotine R. Atropine S. Vinblastine 1. […]

Q.58 Which two of the following are the CORRECT statements ? P. Nondisjunction in the parental meiosis is not essential to produce diploid organisms Q. Nondisjunction in the parental meiosis […]

Q.57 A plant of genotype GGHH is crossed with another plant of the genotype gghh. If the F1 is test crossed, what percentage (%) of the test cross progeny will […]

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 […]