General Studies  Biology

41. anaerobic respiration takes place in

Bacteria Yeast both a and b Insects
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42. Which is the decomposer in pond ecosystem

Plants Bacteria frog Phytoplanktons
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43. U-V rays can cause

Vomitting Redness of eyes Colour change Skin cancer
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44. The complete oxidation of a glucose molecules in aerobic respiration produces-------ATP molecules

36 38 30 2
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45. In annelids special kidneys are called

Contractile vacuoles cell membrane excretory tubes Nephridia
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46. Which one of the following creates Gall stones

Calcium Sodium crystals cholesterol None
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47. The human heart beats------times ina a minute at rest.

80 72 90 110
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48. The oldest method of seeding is

seeding by machine dusting planting None
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49. Biggest endocrine gland

Adrenal gland pituitary gland Thyroid gland None
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50. Power house of the cell

Chloroplast Nucleus Mitochondria Lysosome
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