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Q.37 Given below are two statements : Statement I : Integumentary systems like skin and hair provide sensory information and regulate body temperature. Statement II : Integumentary systems store energy […]

Q.36 Given below are two statements : Statement I : Javan Rhino is a vulnerable species. Statement II : One-horned Rhino is a vulnerable species. In the light of the […]

Q.36 Given below are two statements : Statement I : Javan Rhino is a vulnerable species. Statement II : One-horned Rhino is a vulnerable species. In the light of the […]

Q.35 Given below are two statements : Statement I : Paedogenesis is the retention of larval characters in the adults. Statement II : Neoteny refers to the accelerated gonadal maturation […]

Q.34 Given below are two statements : Statement I : Parental care increases the chances of offspring survival but requires large energy expenditure. Statement II : In amphibians, females of […]

Q.32 The sequence of events leading to evolution of life is : Protocell formation Formation of polymers from the monomers Origin of single-celled organisms Self-replicating RNA Abiotic synthesis of organic […]

Q.31 During oogenesis, the following events occur in sequence : Primary oocyte undergoes meiotic division Secondary oocyte remains arrested until fertilization Oogonia undergo mitotic divisions Primordial germ cells undergo mitosis […]

Q.30 The correct sequence of metamorphosis in urochordates is : A non-feeding free swimming larva The outer epidermis, during metamorphosis shrinks and the notochord along with tail structure regresses The […]

Q.29 Arrange the following steps involved in phagocytosis of bacterium by a macrophage . A. Phagosome fuses with lysosome B. Bacterium is ingested, forming a phagosome C. Bacterium is killed […]