Q1. Name the following 1. two types of root systems 2. two types of buds found on plants 3. two types of leaves depending upon the shape of of lamina 4. two types of venations 5. three types of arrangements of leaves on the stem 6. any three modifications of leaf 7. any three insectivorous plants 8. any two plants which show vegetative propagation
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Answer:
Your body includes organ systems, such as the digestive system, made of individual organs, such as the stomach, liver, and pancreas, which work together to carry out a certain function (in this case, breaking down and absorbing food). These organs, in turn, are made of different kinds of tissues, which are groups of cells which work together to perform a specific job. For example, your stomach is made of muscle tissue to facilitate movement and glandular tissue to secrete enzymes for chemical breakdown of food molecules. These tissues, in turn, are made of cells specialized in shape, size, and component organelles, such as mitochondria for energy and microtubules for movement.
Plants, too, are made of organs, which in turn are made of tissues. Plant tissues, like ours, are constructed of specialized cells, which in turn contain specific organelles. It is these cells, tissues, and organs that carry out the dramatic lives of plants.
Plant Cells
Plant cells resemble other eukaryotic cells in many ways. For example, they are enclosed by a plasma membrane and have a nucleus and other membrane-bound organelles. A typical plant cell is represented by the diagram in Figure.
• The large central vacuole is surrounded by its own membrane and contains water and dissolved substances. Its primary role is to maintain pressure against the inside of the cell wall, giving the cell shape and helping to support the plant.
• The cell wall is located outside the cell membrane. It consists mainly of cellulose and may also contain lignin , which makes it more rigid. The cell wall shapes, supports, and protects the cell. It prevents the cell from absorbing too much water and bursting. It also keeps large, damaging molecules out of the cell.
• Plastids are membrane-bound organelles with their own DNA. Examples are chloroplasts and chromoplasts. Chloroplasts contain the green pigment chlorophyll and carry out photosynthesis. Chromoplasts make and store other pigments. They give flower petals their bright colors.
Explanation:
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Answer:
1) fibourous and tap root
2) Axillary or lateral buds
3) Simple and compound
4) reticulate and parallel venation
5) alternate, opposite, and whorled.
6) tendrils , spines , catch and digest insects
7) pitcher plants, butterworts, sundews, bladderworts, Venus flytrap
8) Begonia and Bryophyllum
Explanation:
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