How excretory system of molluscs characterized
Explain how excretory system of molluscs characterized? Answer: Molluscs have one or two pair of sponge like nephridia, similar to kidneys.
Explain how excretory system of molluscs characterized?
Answer: Molluscs have one or two pair of sponge like nephridia, similar to kidneys.
Explain suction force of the plant cell? Does the suction force facilitate or make hard the entrance of water into the cell?
Write down the main inter-specific ecological interactions?
What is the production of RNA termed? What is the enzyme which catalyzes the procedure?
Do fishes have a closed or open circulatory system? Describe the number of chambers does a fish heart contain? How does blood flow all through the fish body?
Explain radial immuno diffusion technique?
Briefly define the term albinism?
Give a brief description of visual accommodation?
Evolutionarily protochordates can be intermediate animals between the invertebrates and vertebrates. Consider the scientist is testing hypothesis, which states that vertebrates are evolved from echinoderms. Being research objects a newly evolved protochordate species,
What is meant by the pineal gland?
What do you understand by the passive and active immunization? In accordance with, the duration of protection how do these types of immunization differ?
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