Name the type of chemical substances that control the growth in plants.
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Waste substances that can be degraded by microbes into harmless and non-toxic substances are
C) biodegradable waste
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What role does the law plays in control over utilization of opium and all matters relating to narcotic drugs and psychotropic substances?
Control over cultivation of opium and all matters relating to narcotic drugs and psychotropic substances are regulated by the Narcotic Drugs and Psychotropic Substances (NDPS) Act and Rules, which provide...
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Substances which can be separated into two or more components by chemical reactions are called as ……………….
C) compounds
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The basic form of matter that cannot be broken down into simpler substances in chemical reactions is ………………
Correct option is B) compound
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What is sympodial growth in ginger rhizome and monopodial growth in lotus rhizome?
1. Growth of rhizome takes place with lateral buds, such growth is known as sympodial growth, e.g. Ginger (Zingiber officinale), Turmeric (Curcuma domestica), Canna etc. 2. In plants where rhizomes grow...
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The growth of root is geotropism, and the growth of stem is ………
(A) Negative geotropism
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Uma : Mass is neither created nor destroyed during a chemical reaction. Rama : Matter is conserved in a chemical reaction.
A) Uma is correct, Rama is incorrect.
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Vidhya and Vijay were studying the effect of certain radiations on flower plants. Vidhya exposed her plants to UV rays and Vijay exposed his plants
Frequency of UV rays is greater than infrared rays, hence UV rays are much more energetic than infrared rays. Plants cannot tolerate the exposure of high energy rays. As a...
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These substances are required to prove that the speed of diffusion is different for different substances.
C) Long glass tube, cotton, HCl, NH3
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Bacillus thuriengiensis(Bt) strains have been used as biological control for plants, its application is famous in
(d) both a and c
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