1. [D] It reflects red colour. A red coloured object appears to be red because it reflects red colour.

    [D] It reflects red colour.
    A red coloured object appears to be red because it reflects red colour.

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  2. [D] Scattering Effect The smoke particles scatter the white light and hence the path of light beam becomes visible.

    [D] Scattering Effect
    The smoke particles scatter the white light and hence the path of light beam becomes visible.

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  3. The mycorrhizal fungi absorb phosphorus from the soil and transfer them to the host cells. They also impart resistance to host plants against root pathogens. They also help plant tolerate salinity and draught.

    The mycorrhizal fungi absorb phosphorus from the soil and transfer them to the host cells. They also impart resistance to host plants against root pathogens. They also help plant tolerate salinity and draught.

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  4. Maize, wheat, rice, bathua, spinach, pulses have biofortified varieties. Maize hybrids have twice the amount of amino acids, fortified wheat variety has high protein content, fortified rice has high quantity of iron. Consumption of such biofortified foods will enrich the nutritive value of our commoRead more

    Maize, wheat, rice, bathua, spinach, pulses have biofortified varieties. Maize hybrids have twice the amount of amino acids, fortified wheat variety has high protein content, fortified rice has high quantity of iron. Consumption of such biofortified foods will enrich the nutritive value of our common foods and will vastly improve public health. Instead of consuming different food items for obtaining different nutrients, if 2 or 3 nutrients can be incorporated into a single crop, it offers enormous benefits to human beings and may even help cover come several nutrient deficiency disorders latent in our country.

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  5. i. increasing hair growth on aerial parts of plants. ii. Rendering the flowers nectar less. iii. Enabling plants to secrete insect killing chemicals (toxins).

    i. increasing hair growth on aerial parts of plants.
    ii. Rendering the flowers nectar less.
    iii. Enabling plants to secrete insect killing chemicals (toxins).

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