Frank ICSE Solutions for Class 9 Physics – Sound: Production and Propagation of SoundPAGE NO: 278 Solution 1: Yes, Sound is form of energy.Solution 2: Sound is produced by the vibrating objects. Solution 3: No, sound cannot travel through vacuum.Solutio…

Frank ICSE Solutions for Class 9 Biology – Respiratory SystemPAGE NO:176 Solution 1: Respiration: It is a process of release of energy from food substances such as glucose and fats under the control of enzymes, to carry out life processes, by the living …

Frank ICSE Solutions for Class 9 Biology – Structure and Function of SkinPAGE NO:169 Solution 1: (a) Stratum corneum, transitional region, stratum germinativum (b) Stratum germinativum (c) Stratum corneum (d) Dermis (e) Sweat gland / sudoriferous gland (…

Frank ICSE Solutions for Class 9 Biology – The Skeletal SystemPAGE NO:162 Solution 1: Bones of skull, vertebral column, sternum and ribs. Solution 2: Longest bone – Femur Smallest bone – Stapes of middle ear.Solution 3: There are seven cervical vertebrae…

Frank ICSE Solutions for Class 9 Biology – Digestive System PAGE NO:151 Solution 1: Nutrition can be defined as the process which involves the utilization of food by an animal to obtain energy for growth and development. There are two types of nutritio…

Frank ICSE Solutions for Class 9 Biology – Nutrition in ManPAGE NO:138 Solution 1: Carbohydrates provide energy and warmth to our body. Solution 2: Sources of Vitamin C are Lemon and carrot and sources of Vitamin A are Green vegetables and egg yolk.Solu…

Frank ICSE Solutions for Class 9 Biology – Bacteria and Fungi Their ImportancePAGE NO:127 Solution 1:  Bacteria are a large group of unicellular, prokaryotic microorganisms. The bacteria which do not get stained with crystal violet and iodine solution ar…

Frank ICSE Solutions for Class 9 Biology – Diversity of Life and ClassificationPAGE NO:117 Solution 1: Diversity refers to the variety of living organisms found within a given ecosystem, biome, or on an entire planet. Solution 2: The method of arranging …

Frank ICSE Solutions for Class 9 Physics – LightPAGE NO: 261 Solution 1: Convex mirror has a wider field of view.Solution 2: Convex mirror always produces an erect image of the object. Solution 3: Convex mirror is used in vehicles to see the traffic on r…

Frank ICSE Solutions for Class 9 Physics – Light: Spherical MirrorsPAGE NO: 258 Solution 1: A spherical mirror is a part of a hollow glass sphere silvered on one side.Solution 2: Solution 3: Focal length = 1/2 of radius of curvature = 1/2 x 30 = 15cm.So…