Questions

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

Which of the following is called the twin city of Kochi?

Asexual reproduction differs from sexual reproduction in that in asexual reproduction, ______

In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.

Nitric acid does not react with

Atomic number of which of the following elements is greater than that of Fluorine?

Spiders belong to which class of animals?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. 

To who (1)/ did you (2)/ speak last night? (3)/ No error (4)