SOLUTION CHAPTER PYQ.pdf
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πCHAPTER : SOLUTIONπ
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ββπΌπππππ ππΌπΈβ βππΌππππβ
πCHAPTER : SOLUTIONπ
βͺ Understanding Questions Patterns
βͺ Help to clear All Concepts
βͺ Boost Your Preparation
βͺ Improve your self confidence
π Stay tuned for more PYQsβ¨
πJoinβ΅PW YAKEEN DROPPER β’β’π
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π² Quiz 'Work , Energy and power'
π 10 questions Β· β± 30 sec
π 10 questions Β· β± 30 sec
πCELL CYCLE AND CELL DIVISION π
β° The sequence of events by which a cell duplicates its genome, synthesizes the other constituents of the cell and eventually divides into two daughter cells is termed cell cycle.
β° Although cell growth (in terms of cytoplasmic increase) is a continuous process, DNA
synthesis occurs only during one specific stage in the cell cycle.
β° The replicated chromosomes (DNA) are then distributed to daughter nuclei.
β° Duration of cell cycle is different in different organisms. For examples, a typical human cell in culture takes 24hrs to divide and a yeast cell divides in about 90 minutes.
β° The cell cycle is divided into Interphase and M-Phase (Mitosis phase).
β° The sequence of events by which a cell duplicates its genome, synthesizes the other constituents of the cell and eventually divides into two daughter cells is termed cell cycle.
β° Although cell growth (in terms of cytoplasmic increase) is a continuous process, DNA
synthesis occurs only during one specific stage in the cell cycle.
β° The replicated chromosomes (DNA) are then distributed to daughter nuclei.
β° Duration of cell cycle is different in different organisms. For examples, a typical human cell in culture takes 24hrs to divide and a yeast cell divides in about 90 minutes.
β° The cell cycle is divided into Interphase and M-Phase (Mitosis phase).
[ REDOX REACTIONS ]
Oxidation is defined as:
Oxidation is defined as:
Anonymous Quiz
17%
Gain of electrons
6%
Decrease in positive valency
72%
Loss of electrons
5%
Addition of electropositive element
[ REDOX REACTIONS ]
Reduction is defined as
Reduction is defined as
Anonymous Quiz
8%
Increase in positive valency
77%
Gain of electrons
12%
Loss of protons
4%
Decrease in negative valency
Facts You Should Knowπ₯
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Samapti ma'am important message π¬ for you.
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Which of the following will show negative deviation?
Anonymous Poll
16%
Ethyl chloride and Ethyl Bromide
50%
Acetone +CHCl3
22%
C2H5OH + Water
11%
CCl4+ C2H5OH
Growth in plants is measured by the increase in
I. Fresh weight
II. Dry weight III. Length, area and volume IV. Cell number Choose the correct option
I. Fresh weight
II. Dry weight III. Length, area and volume IV. Cell number Choose the correct option
Anonymous Quiz
29%
All except I and II
17%
All except III
17%
All except IV
37%
I, II, III and IV
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