List of top Life Science Questions

Which one among the following mixtures gives a buffer solution in water?

The CORRECT order of stability of the given metal oxides is

Which one or more of the following is/are developmental feature(s) of hatchlings of an altricial bird species?

Which one or more of the following is/are characteristic of r-selected animals?

Which one or more of the following options describe(s) how ferns differ from angiosperms and gymnosperms?

Compared with bony fish, many shark species show steeper population declines in response to heavy fishing pressure. Which one of the following options explains this?

Whales and dolphins are hypothesized to have evolved along the northern shore of the Tethys Sea, prior to the Indian plate’s collision with the Eurasian plate. To which one of the following animals are these aquatic mammals most closely related?

The table below lists different insects and taxonomic orders. Choose the option that matches the animal to its correct taxonomic order. Animal Taxonomic order P) Moths i) Hemiptera Q) True bugs ii) Orthoptera R) Crickets iii) Coleoptera S) Beetles iv) Lepidoptera v) Diptera

In haplodiploid organisms, males are haploid and females are diploid. Consider the relatedness diagram shown below. Female A has a full-sister, Y, who has a daughter, B. The relatedness between A and B is ___________. (Rounded off to three decimal places)

The production of anthocyanin pigments in pea flowers requires the presence of at least one dominant allele in each of two independently assorting genes, C and P. The presence of anthocyanin results in purple flowers, whereas its absence gives white flowers. A cross between two double heterozygous (CcPp) plants is performed. What is the expected ratio of plants with purple flowers to plants with white flowers?

Match the diseases to the pathogens that cause them. Diseases Pathogens P) Avian malaria i) Virus Q) COVID-19 in humans ii) Plasmodium R) Chytrid disease in frogs iii) Mosquito iv) Fungus