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Q.67 Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R). Assertion (A) : Penetrance and Expressivity are term which can be […]

Q.66 In sweet pea, the development of purple colored flowers requires the presence of two dominant genes, C and R, e.g. CCRR. When either C (e.g. ccRR) or R (e.g. […]

Q.65 Match List I with List II List I (Numerical Change in Chromosome) List II (Symbolic representation) A. Autotetraploid B. Nullisomy C. Monosomy D. Allohexaploid I. 4x II. 2x(1) + […]

Q.64 According to Vavilov, crop plants evolved from the wild species in the area which shows greater diversity and richness in variation. That area is called as: 1. Secondary gene […]

Q.63 Match List I with List II List I (Economically useful plant) List II (Family) A. Corchorus sp. B. Rosa damascena C. Piper nigrum D. Curcuma longa I. Piperaceae II. […]

Q.62 Which of the following statement(s) is/are TRUE for Retting in Jute (A). It is a kind of fermentation process (B). It employs the action of bacteria on plants (C). […]

Q.61 Reserpine is obtained from the roots? 1. Rauwolfia serpentina 2. Datura innoxia 3. Withania somnifera 4. Digitalis purpurea Reserpine Source: Rauwolfia Serpentina Roots Explained Reserpine, a key alkaloid used […]

Q.60 What is the major secondary metabolite present in Clove buds? 1. Thymol 2. Eugenol 3. Zingiberine 4. Piperine Bryophytes were unique for their gametophyte dominance, but in medicinal botany, […]

Q.59 A stele which does NOT contain a central pith is called as: 1. Solenostele 2. Dictyostele 3. Protostele 4. Siphonostele Stele Without Central Pith A stele is the central […]

Q.58 Which of the following Gymnosperms possess winged pollen grains? 1. Dandelion 2. Cycas 3. Pinus 4. Ephedra Gymnosperms with Winged Pollen Grains: Pinus Confirmed Pinus, a conifer gymnosperm, produces […]