CBSE Class 10 Science Compartment Question Paper Solved 2018 Set 3

CBSE Class 10 Science Compartment Question Paper Solved 2018 Set 3. Students can download the last year question papers using the link below. Free download of examination question papers with solutions.Last 10 year question papers should be practised to get better marks in examinations.

1. Mendel took tall pea plants and short pea plants and produced F1 progeny through cross-fertilisation. What did Mendel observe in the F1 progeny ?

2. Name two constituents of biogas.

3. Different parts of brain are associated with specific functions. Name the part of human brain which perform the following functions :

(a) Sensation of feeling full

(b) Vomiting

(c) Picking up a pencil

(d) Riding a bicycle

4. Carbon has four electrons in its valence shell. Which type of compounds can be formed by carbon atom and why ? Give any one example of such compounds.

5. An object is kept 40 cm in front of a concave mirror of focal length 20 cm. Find the position and nature of the image. Draw a ray diagram to show the formation of image in this case.

6. What is geotropism ? Draw a labelled diagram of a potted plant showing positive geotropism and negative geotropism.

7.What is “Sustainable Management of Natural Resources” ? Why is it necessary ? Which one out of reuse and recycle, would you practise in your daily life and why ?

8. What are acquired traits ? Why are these traits generally not inherited over generations ? Explain.

9.Consider the following circuit :

What would be the readings of the ammeter and the voltmeter when key is closed ? Give reason to justify your answers.

OR

What is electrical resistivity ? Derive its SI unit. In a series electrical circuit comprising a resistor made up of a metallic wire, the ammeter reads 100 mA. If the length of the wire is doubled, how will the current in the circuit change ? Justify your answer.

Please click the link below to download pdf file of CBSE Class 10 Science Compartment Question Paper Solved 2018 Set 3.