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Forwarded from SRIJAN BPSC - ๐ธBPSC WEB๐ธ (Twinkle Goyal)
BPSC SCIENCE FLASHCARDS .pdf
42.6 MB
โค4๐1๐คฃ1
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
๐5
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
๐1
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