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in what forms are nitrogenous wastes excreted inbirdshumans andaquatic turtles respectively why so
explain exotic speciesdescribe with the help of two examples how the exotic species disturb the native species of an ecosystem
a what is biological magnification b describe how ddt as a water pollutant undergoes biological
a list the a variety of modes of heterotrophic nutrition in plantsb define any two modes giving one example of
a what is symbiotic nitrogen fixation b name the two protein components required for this processdefine their
a describe the theory of capillarity of water translocation in plantsb can the theory define translocation of water in 100 m tall trees give one
what is vernalisationhow is the process of vernalisation benefits to
a in what form do plants absorb calcium from the soilb list any two calcium deficiency symptoms in
a how do viruses enter plant body and spread to long distances within itb mention any two ways by which viruses spread from single plant to
a what does secondary productivity in an ecosystem indicateb list any two factors by which productivity is limited in aquatic
what does s-shaped pattern of population growth show how is j-shaped pattern dissimilar from it and
a how is the milk production regulated by hormones in human female defineb explain the importance of the auxin cytokinin ratio in plant tissue
draw a diagram of external view of a human brainlabel-frontal lobetemporal lobeoccipital lobe
what is resting membrane potential of a neuron what is the function of sodium potassium pumps in maintaining
a where casparian strips situated in a plant body are and what are they made up of mention its functionb what is respiration quotient rqunder what
a mention the scientific term used for modified form of reproduction in which seeds are produced without fusion of gametesb what does ecological
a what is the significance of the epiglottis in human bodyb what happens to the glycogen concentration in the liver cells when the level of
a trace the succession of plants on a dry bare rockb how does phosphorus cycle vary from carbon
a why are herbivores considered similar to predators in the ecological context describeb differentiate among the following interspecific
how did alfred hershey and martha chase arrive at the conclusion that dna is the genetic
astate the law of independent assortmentb using punnett square demonstrate the law of independent assortment in a dihybrid cross including two
a explain the structure of a human spermb give a schematic representation showing the events of spermatogeninesis in human
explain in sequence the events that lead to the development of a 3-celled pollen grain from microspores mother cell in
how do organisms like- a fungib zooplanktons andc bearsovercome the temporary short- lived climatic stressful conditions
mention the product and its use formed by each the microbes listed belowi lactobacillusii streptococcusiii saccharomyces