During indigestion the stomach produces too much …………. and this
Anonymous Quiz
74%
Acid
15%
Base
8%
Salt
3%
None
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When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains
Anonymous Quiz
18%
Protein
34%
Carbohydrates
41%
Starch
8%
Fat
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The exit of unabsorbed food material is regu-lated by
Anonymous Quiz
26%
Pancreas
44%
Anus
20%
Anul spincthuer
10%
Liver
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You are given water, mustard oil, glycerine and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most?
Anonymous Quiz
34%
Water
30%
Mustard oil
25%
Glycerine
11%
Kerosene
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The mirror having reflecting surface curved inwards
Anonymous Quiz
14%
Plane
59%
Conacve
24%
Convex
3%
Cylindrical
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The site of photosynthesis in the cells of a leaf is
Anonymous Quiz
65%
Chloroplast
21%
Mitochondria
6%
Mycoplasma
8%
Plasma membrane
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Where is the dirty blood in our body filtered?
Anonymous Quiz
24%
Heart
60%
Kidney
7%
Lungs
9%
Pancreas
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The poorest conductor of heat among metals is
Anonymous Quiz
43%
Lead
29%
Mercury
19%
Calcium
10%
Pottasium
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The electronic configuration of three elements X, Y and Z are as follows:
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula
Anonymous Quiz
20%
Yx
47%
Yz
24%
Xy
9%
Zx
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Which of the following non-metal is lustrous?
Anonymous Quiz
30%
Sulphur
23%
Oxygen
14%
Nitrogen
33%
Iodine
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The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?
Anonymous Quiz
21%
He
32%
Ar
36%
Ne
11%
K
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An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
Anonymous Quiz
21%
Mg
58%
Na
14%
P
8%
Ca
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