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tell me in vegetative propogation of plants by artificial human practice' cutting ' why the stem is givn slant cut (in angiosperms)......rply soon........
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tell me in vegetative propogation of plants by artificial human practice' cutting ' why the stem is givn slant cut (in angiosperms)......rply soon........
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what is the difference between vinegar and alcohol?? which of the two is produced by bacteria?
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what is the difference between vinegar and alcohol?? which of the two is produced by bacteria?
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how does the difference in the cel wall structure of gram positive and gram negtive bacteria determine the pathogenic activity and effect of antibiotics on it??
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how is the cell wall and cell membrane structure different in gram positive and gram negative bacteria?
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When light travels from a rarer to denser medium the speed decreases. does energy also gets reduced?
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A concave mirror of focal length f produces an image n times the size of the object. If the image is real find the image distance.
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A plane and a convex mirrors form virtual images of objects. Can they produce real images under some circumstances? explain.
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If an eye produces too much convergence in the incident beam,what is the defect?
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in ncrt there is diff. life cycle of vivax
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Q. Chromosome exhibit minimum coiling during: 1) prophase 2) metaphase 3) interphase 4) telophase
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please give a brief description of the formation of the rainbow.
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Name the light sensitive cells which form the retina of a human eye.
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what are the advantages of a solenoid over a toroid?
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A symmetric convex lens(r₁=r₂) of refractive index 1.5 is placed in air medium.prove that the focal length f=r₁=r₂.
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A large nonconducting sheet S is given an uniform positve charge density. Two uncharged small metal plates A and B are placed near the sheet as shown. which of the following is false?? a) S attracts A b)S attracts B C) A attracts B d)B attracts A in this ques they hv given a sheet S , next to that A
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i dont understand why my answer is wrong? Q18) There is no life on moon because there is no 1) Carbon 2) Nitrogen 3) Water 4) Silicates Correct Answer: 4 Your Answer: 3
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Please explain the working of a solar cell.
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sir is distance travelled in nth second is = to displacement in nth second???
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