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

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

33. Which among the following is not present in pure sugar ?

[A] Carbon
[B] Hydrogen
[C] Nitrogen
[D] Oxygen

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

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

36. The branch of science Herpatology deals with the study of?

[A] Fishes
[B] Insects
[C] Snakes
[D] Amphibians and Reptiles

37. Which of the following is the source of adult human stem cell?

[A] Liver
[B] Bone Marrow
[C] Brain
[D] Medulla

38. In which among the following diseases, Seed Therapy is used now a days for treatment?

[A] AIDS
[B] Tuberculosis
[C] Cancer
[D] Asthama

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

40. Least generative power is a feature of which among the following cells of Human Body?

[A] Brain
[B] Bones
[C] Skin
[D] Liver