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Q.49 Arrange the geological history of earth starting from most recent eras A. Proterozoic B. Archaeozoic C. Coenozoic D. Palaeozoic E. Mesozoic Choose the correct answer from the options given […]

Q.48 In which sequence the following structure/organ would be seen in ovule of Cycas. A. Free nuclear ♀ gametophyte B. Mature archegonium C. Pollen chamber D. Embryo E. Seed Choose […]

Q.47 Given below are two statements: one is labelled as Assertion-A and the other is labelled as Reason-R Assertion-A: Bud pollination overcomes sexual incompatibility. Reason-R: At bud stage stigma lacks […]

Q.46 Given below are two statements: one is labelled as Assertion-A and the other is labelled as Reason-R Assertion-A: Removal of apical bud (decapitation) causes loss of apical dominance. Reason-R: […]

Q.45 Given below are two statements: one is labelled as Assertion-A and the other is labelled as Reason-R Assertion-A: Lateral heterogeneity is the unequal distribution of thylakoid complexes. Reason-R: PS-II […]

Q.44 Given below are two statements: one is labelled as Assertion-A and the other is labelled as Reason-R Assertion-A: Observation of cyclosis or cytoplasmic streaming is an indication of active […]

Q.43 Given below are two statements: one is labelled as Assertion-A and the other is labelled as Reason-R Assertion-A: Growth is an irreversible increase in volume or size. Reason-R: The […]

Q.42 Given below are two statements: one is labelled as Assertion-A and the other is labelled as Reason-R Assertion-A: Eubacteria are sensitive to chloramphenicol Reason-R: All bacteria are sensitive to […]

Q.41 Given below are two statements: one is labelled as Assertion-A and the other is labelled as Reason-R Assertion-A: Regions of active cell division are responsible for the increase in […]

Q.40 Cyanophyceae in general are Autotrophs Heterotrophs Obligate photoautotrophs Obligate heterotrophs Cyanophyceae (blue-green algae or cyanobacteria) are generally autotrophs. They perform oxygenic photosynthesis using chlorophyll-a, fixing CO₂ into organic compounds. Question […]