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Categorise the following organisms into ...

Categorise the following organisms into two groups, according to size - amoeba, paramecium, euglena, snail, elephant, pigeon, worms.

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Amoeba, Paramoecium and Euglena are microscopic in size. Snail, elephant, pigeon and worms are bigger animals that can be seen with naked eyes.
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Paragraph based questions : Read the following paragraph and answer, the questions based on it. The presence or absence of organs is the first criterion for classification of plants. The presence or absence of separate conducting tissues for conduction of water and food is the next consideration for classification. Do the plants bear seeds? If they do then, whether the seeds are enclosed in a fruit or not is also an important criterion for classification. Finally, plants are grouped depending upon the number of cotyledons in the seeds. In 1883, Eichler, a botanist, classified the Kingdom Plantae into two sub-kingdoms. As a result, two sub-kingdoms, cryptogams and phanerogams were considered for plant classification. Which criteria are taken into account while classifying the lower groups of the plants?

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NAVNEET PUBLICATION-CELL STRUCTURE AND MICRO-ORGANISMS-QUESTION BANK
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  17. Match the columns:

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  18. Match the columns:

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