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Kingdom Animalia Test Online Question Answer

Animals are multicellular, eukaryotic organisms of the kingdom Animalia also called Metazoa. The animal kingdom emerged as a clade within Apoikozoa as the sister group to the choanoflagellates. Animals are motile, meaning they can move spontaneously and independently at some point in their lives.The innovative analytical model plots data from ...

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Plant Water Relation Mock Test Online Question Answer

Plant water relations concern how plants control the hydration of their cells, including the collection of water from the soil, its transport within the plant and its loss by evaporation from the leaves.The internal water potential of a plant cell is more negative than pure water because of the cytoplasm’s ...

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Hormonal Coordination Online Test Mcqs

The control and coordination of the different bodily functions is also done with the help of the endocrine system. This system exerts chemical control over the activities. These chemicals are secreted from organs called endocrine glands. The secretions of the endocrine glands are called hormones.All animals contain chemical components produced ...

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Plant Growth and Development Online Test Question Answer

Growth is the process by which a plant increases in the number and size of leaves and stems.When leaves are removed from a grass or clover plant, new leaves develop and grow from buds on the crown or stems of the plant.Plant development is the process by which structures originate ...

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Gas Exchange and Transport Test Online Question Answer

Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the ...

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Plant Nutrition Practice Test Online Question Answer

Plant nutrition is the study of the chemical elements and compounds necessary for plant growth, plant metabolism and their external supply. In 1972, Emanuel Epstein defined two criteria for an element to be essential for plant growth: in its absence the plant is unable to complete a normal life cycle.Plants ...

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Excretion and Osmoregulation Mock Test Online Question Answer

The kidneys and liver carry out detoxification, altering toxic substances into forms that are not poisonous to the body. The process of maintenance of osmotic and ionic concentration of body fluids is called osmoregulation. Excretion is the process by which metabolic wastes and other non-useful materials are eliminated from an ...

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