General Science - Biology

31. Which among the following plant hormone plays most important role in establishing dormancy in seeds?
[A] Ethylene
[B] Gibberellic acid
[C] Abscisic Acid
[D] Auxin

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32. Which among the following diseases is characterized by “complete loss of memory”?
[A] Amnesia
[B] Schizophrenia
[C] Alzheimer’s disease
[D] Parkinson’s disease

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33. Which among the following is not present in pure sugar ?
[A] Carbon
[B] Hydrogen
[C] Nitrogen
[D] Oxygen

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34. Which of the following bacteria forms an endosymbiotic nitrogen fixing association with roots of legumes that helps in Nitrogen Fixation?
[A] Clostridium
[B] Rhizobium
[C] Salmonella
[D] Staphylococcus

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35. Daltonism is the name referred to which of the following disorders as this name was kept in honour of John Dalton , the father of atomic theory?
[A] Deafness
[B] Color Blindness
[C] Night Blindness
[D] Astigmatism

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36. The branch of science Herpatology deals with the study of?
[A] Fishes
[B] Insects
[C] Snakes
[D] Amphibians and Reptiles

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37. Which of the following is the source of adult human stem cell?
[A] Liver
[B] Bone Marrow
[C] Brain
[D] Medulla

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38. In which among the following diseases, Seed Therapy is used now a days for treatment?
[A] AIDS
[B] Tuberculosis
[C] Cancer
[D] Asthama

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39. In Mammalian embryo, which among the following is the outermost membrane that serves as exchange between embryo and environment?
[A] Amnion
[B] Allantois
[C] Chorion
[D] Yolk sac

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40. Least generative power is a feature of which among the following cells of Human Body?
[A] Brain
[B] Bones
[C] Skin
[D] Liver

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