With the final date announced for the CBSE class 10 Science paper that is 22nd March, 2017, students appearing for the exam must have geared up for the final revisions. Now it’s important for the students to utilize this mean time more cautiously by following the best strategic study plan. Getting good grades in class 10th exams is of utmost importance to get further admission in any prestigious school.
This is the most crucial time when students should focus on smart preparation in less time, which is possible only with effective revision plans. One of the most prominent ways of revising the syllabus before the main exam, is solving the previous year solved papers which will help to understand the exam pattern and marking trends. Moreover, it will give a clear overview of the types of questions asked in the board exam. By solving previous years’ question papers, students will get to have a fair idea of the important topics which they should pick to prepare for the questions carrying different weightage.
Jagranjosh here brings a collection of Class 10 Science Last 5 years’ MCQs along with Practical Based Questions asked in previous years’ question papers to help the students track their performance and get a firm grip over the type of questions that are probably going to be asked in the upcoming board exam.
As per the latest CBSE Exam Pattern, in CBSE Class 10 Science Paper, Question numbers 25 to 33 in Section- B are multiple choice questions based on practical skills. Each question is a one mark question. Question numbers 34 to 36 in Section- B are two marks questions based on practical skills. These are to be answered in about 30 words each.
Some sample questions from the collection of previous years’ five marks questions are:
Q. Raisins are wiped off gently before final weighing with the help of:
(a) A filter paper
(b) A cotton piece
(c) A cloth piece
(d) A polythene piece
Q. The step (s) necessary for determining the percentage of water absorbed by raisins is/are:
(a) Raisins should be completely immersed in water
(b) Raisins should be soaked in water for sufficient time
(c) Gently wipe dry the soaked raisins
(d) All of the above steps.
Q. Rahim recorded the following set of observations while tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence
| S. No. | Angle of incidence | Angle of refraction | Angle of emergence |
| I | 45o | 41° | 45o |
| II | 40o | 38° | 38° |
| III | 45o | 41° | 40° |
| IV | 41° | 45° | 41° |
The correct observation is recorded at the serial number:
(a) I
(b) II
(c) III
(d) IV
Q. Which of the following pairs of two vegetables represents the correct homologous structures?
(a) Sweet potato and potato
(b) Sweet potato and tomato
(c) Carrot and potato
(d) Radish and carrot
Q. When you study a slide showing different stages of budding in yeast, you observe the following stages:
I. The bud may get separated from the parent body and develop into a new individual.
II. The body of the bud develops and gives rise to another baby bud.
III. A bud comes out in any direction from the body of the parent cell.
IV. Thus they may form a colony.
The proper sequence of the above stages is
(a) II, I, III, IV
(b) II, III, I, IV
(c) III, II, l, IV
(d) III, I, II, IV
Q. A student has to focus his compound microscope to observe a prepared slide showing different stages of binary fission in Amoeba. The steps he is likely to follow are listed below in a haphazard manner:
I. Adjust the diaphragm and the mirror of the microscope so that sufficient light may enter to illuminate the slide.
II. Fix the slide on the stage carefully.
III. Adjust the microscope to high power and focus.
IV. Adjust the microscope to low power and focus.
The correct sequence of the above steps to observe the slide under the microscope is
(a) I, II, IV, III
(b) II, I, IV, III
(c) II, IV, I, III
(d) I, IV, II, III
To get answers to all above questions click the following link:
Last 5+1 years' CBSE Class 10th Solved Science & Maths Papers