Category Solved Exercises

Solved Exercise, Chem-11, Ch-04

LIQUIDS & SOLIDS Q.1. Choose the best answers from the given choices.   (i) London dispersion forces are the only forces present among the:                   (a) Molecules of water in liquid state. (b) Atoms of helium in gaseous state at high…

Solved Exercise, Chem-11, Ch-03

GASES Q.01: Select the most suitable answers from the given ones in each question:     (i) Pressure remaining constant at which temperature the volume of a gas will become twice of what it is at 0oC: (a) 546oC (b) 200oC (c)…

Solved Exercise, Bio-11, Ch-02

BIOLOGICAL MOLECULES FILL IN THE BLANKS Q.01: Fill in the blanks: (i) The sum of all the chemical reactions taking place within a cell is called ________. (metabolism) (ii) _________ is the basic element of organic compounds. (Carbon) (iii) All…

Solved Exercise, Bio-11, Ch-01

INTRODUCTION FILL IN THE BLANKS Q.01: Fill in the blanks: (i) ________ is the study of organisms in relation to their environment. (Environmental biology) (ii) The study of organisms living in fresh water bodies like rivers, lakes etc. is called…

Solved Exercises, BIO-11

Here in this section, solved textbook exercises of Biology-11, pertaining to Punjab Textbook Boards syllabus are given. You can get exercise solutions by going into the relevant chapter given below: NOTE: Give your opinion and suggestions about this work so…

Solved Exercise, Chem-11, Ch-02

EXPERIMENTAL TECHNIQUES IN CHEMISTRY Q.01: Select the most suitable answers from the given ones in each question:    (i) A filtration process could be very time consuming if it were not aided by a gentle suction which is developed:      …