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CBSE Questions

Total Questions 9982
what is the correct sequence of the steps to observe the slide of amoeba under the microscope? a)adjust the diaphragm and the mirror of the microscope so that sufficient light may enter to illuminate the slide. b)fix the slide on the stage carefully. c)adjust the microscope to high power and focus. d)adjust the microscope to low power and focus.
What is the main difference between sperms and eggs of humans? write the importance of this difference.
WHY DO PEOPLE DISCRIMINATE OTHERS?
explain why objects moving in fluids must have special shapes?
Chalk contains calcium,carbon and oxygen in the ratio 10:3:12 find the weight of the chalk if carbon is 3 gram?
The diameter of a sphere is decreased by 25%. By what percentage will its CSA be decreased?
What is mutation? Explain with an example.
WRITE A PROGRAM 1 TO GENERATE THE 121 FOLLOWING PATTERN. 12321 using 1234321 turbo c++ 123454321
WRITE A PROGRAM TO GENERATE THE FOLLOWING PATTERN. using 1 turbo 121 c++ 12321 1234321 123454321
how can we write about the nitrogen , carbon and oxygen cycles for 5 mark question?
what do you mean by monsoon?
which are the three type of motion?explain.
Please give me the format of the following: 1. Notice 2. Diary Entry 3. Message 4. Report 5. Biosketch 6. Data Interpretation 7. Letter 8. Email 9. Article 10. Speech 11. Debate
what do you mean by ripening of fallopian tube?and when it become yellow in colour?when will it destroy?
what are the significans of mitosis and mieosis?
What is the significance of parabolic motion
explain different type of hybridizations and it's geometrical shapes?
What do you mean by chemiosmotic hypothesis ?
water in a canal, 6m wide and 1.5m deep, is flowing at a speed of 4km/h. how much area will it irrigate in 10 minutes, if 8cm of standing water is needed for irrigation.
the largest possible sphere is carved out of a wooden solid cube of side 7 cm. find the volume of the wood left.