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BPSC SCIENCE FLASHCARDS .pdf
42.6 MB
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Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
Assertion : Rate of evaporation increase by increasing the surface area
Reason : evaporation is surface phenomenon
Reason : evaporation is surface phenomenon
Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
The process of separating different dissolved constituents of a mixture by their adsorption on an appropriate material is called
(BPSC CDPO 2021)
(BPSC CDPO 2021)
Anonymous Quiz
8%
(A) diffusion
16%
(B) distillation
60%
(C) chromatography
13%
(D) centrifugation
3%
(E) None of the above/More than one of the above
Forwarded from ๐ธ๏ธBPSC WEB๐ธ๏ธ (ASHU)
Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
BPSC SCIENCE FLASHCARDS .pdf
42.6 MB
Who is regarded as Father of Modern Chemistry?
[65th BPSC 2019]
[65th BPSC 2019]
Anonymous Quiz
15%
Rutherford
3%
Einstein
72%
Lavoisier
9%
C.V Raman
1%
None of the above/more than one of the above
Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
Law of conservation of mass was propounded by?
Anonymous Quiz
35%
Dalton
34%
Lavoiser
22%
Rutherford
8%
Rongten
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Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
Isotopes
1. physical properties of isotopes are same but chemical properties are different 2. Isotope of cobalt is used for treatment of cancer. Correct ?
1. physical properties of isotopes are same but chemical properties are different 2. Isotope of cobalt is used for treatment of cancer. Correct ?
Anonymous Quiz
1%
1
29%
2
69%
Both
1%
NOTA
Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
Who among the following discovered the free living cell for the first time
Anonymous Quiz
11%
Purkinje
27%
Schleiden and Schwann
57%
Leewenhoek
6%
Virchow
Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
Correct?
1) Cell will shrink- Hypertonic solution
2) Cell swell up- Hypotonic solution 3) no net movement of water - Isotonic solution
1) Cell will shrink- Hypertonic solution
2) Cell swell up- Hypotonic solution 3) no net movement of water - Isotonic solution
Anonymous Quiz
4%
12
7%
23
63%
123
26%
3 Only
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The three organelles that contain DNA are?
Anonymous Quiz
57%
Mitochondria, nucleus, chloroplast
24%
Mitochondria, Golgi bodies, nucleus
10%
Mitochondria, plasma membrane, nucleus
9%
Chloroplast, nucleus, ribosomes
The flexibility of cell membrane enables the cell to engulf in food and other materials from its external environment known as
Anonymous Quiz
13%
Plasmolysis
21%
Osmosis
14%
Diffusion
51%
Endocytosis
Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
When a living plant cell loses water through osmosis there is shrinkage or contraction of the contents of the cell away from the cell wall, this phenomena is known as
Anonymous Quiz
12%
Endocytosis
43%
Plasmolysis
16%
Membrane biogenesis
29%
Endo osmosis
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