CBSE Class 10 Science Term 2 Sample Paper Solved 2022 Set B

Read and download PDF of CBSE Class 10 Science Term 2 Sample Paper Solved 2022 Set B designed as per the latest curriculum and examination pattern for Class 10 issued by CBSE, NCERT and KVS. The latest Class 10 Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Science Standard 10 which they need to study more to get better marks in Grade 10 exams. After solving these guess papers also refer to solved Class 10 Science Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 10 Science 2022 Pdf

Students can refer to the below Class 10 Science Sample Paper designed to help students understand the pattern of questions that will be asked in Grade 10 exams. Please download CBSE Class 10 Science Term 2 Sample Paper Solved 2022 Set B

Science Class 10 Sample Paper 2022

Question : Which of the following statements is not correct?
(a) A common functional group is present in different members of a homologous series.
(b) Two consecutive members of a homologous series differ by a –CH3 group.
(c) The members of a homologous series can be represented by one general formula.
(d) Different members of a homologous series have similar chemical properties.
Answer : B
Match the Family given in List-I to their general formula given in List-II and choose the correct option.
         List-I                           List-II
       (Family)                   (General formula)
(P) Alkyne                       1. CnH2n + 1X
(Q) Alcohol                      2. CnH2n – 2
(R) Alkyl halide                3. CnH2n
(S) Alkene                       4. CnH2n + 2O
(a) P - 1, Q - 2, R - 3, S - 4
(b) P - 2, Q - 4, R - 1, S - 3
(c) P - 4, Q - 2, R - 1, S - 3
(d) P - 2, Q - 1, R - 3, S - 4
Answer :  B

Question : Why should biodegradable and non-biodegradable wastes to be discarded in two separate dustbins?
Why are green plants called ‘producers’?
Answer : Biodegradable wastes are decomposed naturally by the action of microbes into their simple constituents and non-biodegradable wastes cannot be disposed off naturally since they cannot be decomposed by microbes. Such wastes are either recycled, incinerated or put in landfills, etc. As the disposal methods of the two types of wastes are different, it is advisable to discard the two types of waste in two separate dustbins.
Green plants are called producers because they prepare their own food in the presence of sunlight and chlorophyll by the process of photosynthesis.
Question : Why is the progeny of pea plant is always tall when a tall pea plant is crossed with a short pea plant?
Answer :  When a tall pea plant is crossed with a short pea plant, the resultant progeny is always tall because tallness is a dominant trait while shortness is a recessive trait. Hence, dominant trait expresses itself in the progeny 
Question : Write any four examples of abiotic components of an ecosystem.
Answer : The abiotic components of ecosystem are: temperature, soil, rainfall and minerals.
Question : Why is vegetative propagation needed for growing some plants?
Answer :  Vegetative propagation is needed for growing those plants which usually do not produce seeds or produce non-viable seeds.

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