Potato and ginger are both underground parts that store food. Where is the food prepared in these plants?
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Although potato tuber is an underground plant part, it is considered as a stem. Give two reasons.
a. The tuber has nodes and internodes. b. Leafy shoots appear from the nodes
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Name the reproductive parts of an angiosperm. Where are these parts located? Explain in brief the structure of its female reproductive parts.
(a) Each piece regenerates into a new Planaria. (b) Its filaments break into smaller pieces or fragments and each fragment gives rise to a new filament. (c) It releases spores which germinate into...
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You are walking by a store along with your friend. Both of you see a poster on the wall saying 'Say No To Plastics'.
(i) Environmental protection, reducing environmental pollution, concern for life. (ii) Plastics are non-biodegradable. If they are eaten by animals they block their digestive system and if they get buried in soil...
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Plants like potato, sugarcane do not require seeds for producing new plants.
New plants arise from nodes present in the modified stems of these plants / through vegetative propagation when the nodes come in contact with damp soil or water they produce...
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You are walking by a store along with your friend. Both of you see a poster on the wall saying ‘Say No To Plastics’
(i) Environmental protection, reducing environmental pollution, concern for life. (ii) Plastics are non-biodegradable. If they are eaten by animals they block their digestive system and if they get buried in soil...
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A uniform wire of resistance 50Ω is cut into 5 equal parts. These parts are now connected in parallel.
The correct answer is (a) 2Ω.
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A block moving in air breaks in two parts and the parts separate (a) the total momentum must be conserved
(a) the total momentum must be conserved (d) the total kinetic energy must change. Explanation: When the block moving in air breaks into two parts due to internal forces, the speeds of the...
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Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because:
b. Nodes have meristematic cells
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Which one of the following is a modified stem? (a) Carrot (b) Sweet potato (c) Coconut (d) Potato
(d) Potato tuber bears buds in small pits known as eyes. Buds develops to branches. Some of the branches become green, erect and leafy stems that grow horizontally under ground.
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Epiphytes are plants which depend on other plants for (a) food (b) mechanical support (c) shade (d) water
(b) An epiphyte is a plant normally grows on another plant for support. It is non parasitic, but uses the host plant for support. A plant such as tropical orchid...
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