Why onion has no chloroplast?

Why onion has no chloroplast? The clear epidermal cells exist in a single layer and do not contain chloroplasts, because the onion fruiting body (bulb) is used for storing energy, not photosynthesis. The vacuole is prominent and present at the center of the cell, surrounded by cytoplasm. Do plant cells have chloroplasts and mitochondria? Plant […]

What are examples of lava plateau?

What are examples of lava plateau? The magma that comes out through narrow cracks or fissures in the crust spread over large area and solidifies. These layers of lava sheets form lava or volcanic plateaus. The Antrim plateau in Northern Ireland, The Deccan Plateau in India and the Columbia Plateau in the United States are […]

What is a good example of instantaneous speed?

What is a good example of instantaneous speed? At a given instant time what we read from the speedometer is instantaneous speed. For example, a car moving with a constant speed travels to another city, it must stop at red lights in the traffic, or it should slow down when unwanted situations occur in the […]

How do igneous rocks look like?

How do igneous rocks look like? Extrusive, or volcanic, igneous rocks look dull and do not sparkle much because they are fine grained. These crystals make a coarse-grained igneous rock called plutonic, or intrusive, igneous rock because the magma was intruded into cracks deep under the earth’s surface. What type of rock is granite? Granite […]

What is tan90 value?

What is tan90 value? The value of tan 30 is 1/√3. What is the value of Cosec 0? The value of cosec at 0° is the reciprocal of sin at 0°. How do you find the value of Cosec? Find the value of cosec(−1410∘) Therefore write 1410∘ as (4×2π−30∘) and proceed. Complete step-by-step answer: We […]

What is the strongest alloy?

What is the strongest alloy? Steel What are some examples of alloys? An alloy is a mixture or metallic-solid solution composed of two or more elements. Examples of alloys include materials such as brass, pewter, phosphor bronze, amalgam, and steel. What alloys do we use everyday? List of Alloys and Their Composition and Uses Name […]

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