List of top Science Questions asked in CBSE Compartment Exam Class X

Which one of the following metals is malleable and a poor conductor of electricity ?

Which one of the following molecules is produced initially when glucose breaks down in the cytoplasm of a cell in aerobic as well as anaerobic respiration ?

As compared to daytime, the amount of carbon dioxide released by the plants during night is more because :

The organism in which an outgrowth on the parent body develops into a new individual is :

In a cross between pure tall pea plants (TT) and pure dwarf pea plants (tt) the offsprings of F$_1$ generation were all tall. When F$_1$ generation was self-crossed, the gene combinations of the offsprings of F$_2$ generation will be :

2 g of yellow sulphur powder is burnt in a china dish and the fumes are collected in a test tube. Water is added in the test tube and the solution is tested separately with blue and red litmus paper. The correct option is :

Consider the following substances : (i) Acidified K$_2$Cr$_2$O$_7$
(ii) Alkaline KMnO$_4$
(iii) Oxygen
(iv) Hydrogen
Out of these, the commonly used oxidising agents are :