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Q.59 Given below are two statements: Statement-I: The periderm is a protective tissue of secondary origin in angiosperms and gymnosperms. Statement-II: Periderm is the special type of protective tissue that […]

Q.58 Given below are two statements: Statement-I: Oxygen produced by algal photosynthesis allows the growth of aerobic bacteria. Statement-II: Commensal relationships are associations in which both the interacting organisms benefit […]

Q.57 Given below are two statements: Statement-I: Auxins delay the onset of leaf abscission. Statement-II: Abscisic acid promotes leaf senescence independently of ethylene hormone. In the light of the above […]

Q.56 Given below are two statements: Statement-I: Hot spots of biodiversity must contain at least 0.5% or 1500 of world’s 3,00,000 plant species as endemic. Statement-II: Hot spots of biodiversity […]

Q.55 Given below are two statements: Statement-I: In C4 plants, carboxylation of PEP occurs in bundle sheath. Statement-II: Decarboxylation of C4 acids occurs in mesophyll cells of C4 plants. In […]

Q.54 Which of the following four types of protosteles are recognised in pteridophytes? Haplostele Actinostele Siphonostele Plectostele Mixed protostele Choose the correct answer from the options given below: (A) A, […]

Q.58 What will be the order in which the following steps would be performed in the technique of herbarium making? Mounting Filing Pressing Collection Labeling Choose the correct answer from […]

Q.77 Post fertilization change in Marchantia involves multiple changes. Arrange them in the correct sequence. Wall of venter divides and gives rise to calyptra. Formation of perigynium. Cells of capsule […]

Q.51 Arrange the following groups of gymnosperms from advanced to primitive A. Gnetales B. Cycadofilicales C. Coniferales D. Cordaitales E. Cycadeoidales Choose the correct answer from the options given below […]

Q.50 Arrange the following National Park in order of their location from West to East A. Bandhavgarh B. Gir C. Hazaribaugh D. Namdapha E. Manas Choose the correct answer from […]