CBSE Class 10 Science Assignments Collection

ASSIGNMENTS Q.1. Two charged batteries A and B are at potential – 30 and + 20 V respectively and they are connected by a connecting wire. The current(i) Will flow from A to B  (ii) Will flow from B to A(iii) Will not flow at all Q.2. The work done in moving a positive charge…

CBSE Class 10 Science Sources of Energy Assignment Set C

Question : What is the full from of OTEC  a. Other traditional energy crisis b. Ocean themed energy cooperative c. Ocean thermal energy conversion (d) Ocean thermal energy corporation Answer : C Explanation: Ocean thermal energy conversion is a process that…

CBSE Class 10 Science Sources of Energy Assignment Set B

Question. Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun’s energy ? (a) Geothermal energy (b) Wind energy (c) Nuclear energy (d) Biomass Answer : C Question. The radiations present in…

CBSE Class 10 Science Periodic Classification Of Elements Assignment Set A

MCQ Questions for NCERT Class 10 Science Periodic Classification of Elements Question. Elements belonging to same group have similar properties because: (a) they have same number of valence electrons (b) their atomic numbers go on increasing as we move down the group (c) all…

CBSE Class 10 Science Our Environment Assignment Set B

MCQ Questions for NCERT Class 10 Science Our Environment  Question. In 1987 the ---------------------- Succeeded in forging an agreement to freeze CFC Production (a) UNESCO (b) UNEP (c) UNCTED (d) UNICEF Answer. B Question. O2---------UV---------→O+O O+O2…

CBSE Class 10 Science Metals and Non Metals Assignment

Question : In which of the following pair, both the substances are chemically same ? (a) milk of lime and lime water (b) dead burnt plaster and gypsum (c) alumina and gypsum (d) gypsum and plaster of paris Answer : A Question : Match the…

CBSE Class 10 Science Sustainable Management of Natural Resources Assignment Set B

Objective Questions Question. ‘Chipko Andolan’ originated in a remote village called Reni in Garhwal in the Himalayas during the  a. 1970 b. 1972 c. 1974 d. 1971   Answer : A Explanation: Chipko movement was started in 1970’s in the Himalayas of…

CBSE Class 10 Science Sustainable Management of Natural Resources Assignment Set A

Question. Ground water will not be depleted due to (a) afforestation (b) untreated sewage and industrial waste discharge (c) loss of forest and decreased rainfall (d) cropping of high water demanding crops Answer : A Question. Genetic diversity in agricultural…

CBSE Class 10 Science Magnetic Effects of Electric Current Assignment Set B

Question : A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each: a) two revolution b) one revolution c) half revolution d) one-fourth revolution   Answer :  C    Question…

CBSE Class 10 Science Magnetic Effects of Electric Current Assignment Set A

Question. When a coil carries current in an anti clockwise direction what pole does it create? a. South pole b. Zero pole c. North pole d. both South pole and North pole Answer : C  Explanation: According to clock rule if we look at the face of the coil which…

CBSE Class 10 Science Light Reflection and Refraction Assignment Set B

Question : Four students set up the glass slab experiment as shown below: The correct fixing of the pins P1 and P2 , for 'defining the incident ray', and of pins P3 and P4, for finding the emergent ray', has been done by student:  a. A b. C c. B…

CBSE Class 10 Science Light Reflection and Refraction Assignment Set A

Question. One light wave is incident upon a plate of refracting index m . Incident angle i , for which refractive & reflective waves are mutually perpendicular will be (a) i = 45c (b) i = sin-1(μ) (c) i = cosec-1(μ) (d) i = tan-1(μ ) Answer : D Question. A…

CBSE Class 10 Science Life Processes Assignment Set B

MCQ Questions for NCERT Class 10 Science Life Processes Question :  Bile is secreted by  (a) Pancreas (b) Duodenum (c) Liver (d) Gall bladder   Answer : C Explanation: Bile or gall is a dark green to yellowish brown fluid, produced by the liver…

CBSE Class 10 Science Human Eye and Colorful World Assignment Set B

Question : The colored light that refracts most while passing through a prism is a. Yellow b. Violet c. Blue d. Red Answer : B   Question : Stars appears to be twinkling because of a. atmospheric refraction b. reflection c. Tyndall effect d. spectrum Answer :  …

CBSE Class 10 Science Human Eye and Colorful World Assignment Set A

Question. To get line spectrum, the substances are excited in their (a) solid state (b) molecular state (c) gaseous state (d) atomic state Answer : D Question. Sometimes blurred and less sharply defined images are formed. This defect is called (a) Chromatic…