Jitendra Singh

CBSE Half Yearly Sample Paper 2020-21 Biology for class 12 Class-XII Time: 3:00 hour                                    Sub- Biology                                         M.M.-70 All questions are compulsory. (Q-1 to Q-8 is of 1 mark each) How many microspore mother cells would be required to produce 100 pollen grains in a pollen sac? And why? How do interferons … Read more

CBSE Half Yearly Sample Paper 2020-21 Science for class 10 Class-X Subject- Science Time: 3:00 hour M.M.-80 All questions are compulsory. Section-A (Physics) 1- Multiple choice Questions: 7 i) If four resistors, each of 4 ohm resistance are joined in parallel arrangement, what is the effective resistance of the combination? a) 16 ohm b) 4 … Read more

CBSE Half Yearly Sample Paper 2020-21 Mathematics for class 9 Time: 3:00 hour Subject- Mathematics M.M.-80 General Instructions: This question paper contains 37 questions. All questions are compulsory. Question 1 to 16 are very short answer type questions. Each question carries 1 mark. Question 17 to 23 are short answer type questions. Each question carries … Read more