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Class 11 NCERT Solutions, Books, Syllabus & Study Materials

Download free Class 11 chapter-wise NCERT solutions, textbook answers, sample question papers, syllabus, and study notes.

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ICSE / ISC Senior Secondary (12th) Study Guide

Neural Control and Coordination

Parts of nervous system => (1) Nervous system is divided into three parts: => (i) Central nervous system (CNS): (a) In all the vertebrates including man, CNS is dorsal, hollow and non-ganglionated...

ICSE / ISC K-12 (All Classes) Study Guide

Liquids at Rest

Force of cohesion:- It is force between two molecules of similar nature. Force of adhesion:- It is the force between two molecules of different nature. Molecular range:- The maximum distance between...

ICSE / ISC K-12 (All Classes) Study Guide

Plant Growth and Development

(1) The analysis of growth curve shows that it can be differentiated into three phases: (i) Lag phase: It represents initial stages of growth. The rate of growth is very slow in lag phase. More time...

ICSE / ISC Senior Secondary (12th) Study Guide

Exceptions of Conclusions of Mendel

Incomplete Dominance (1) When neither of the alleles of a character is completely dominant over the other and the F1 hybrid is intermediate between the two parents, the phenomenon is called...

ICSE / ISC K-12 (All Classes) Study Guide

Evolution

(i) Ancient theories of origin of life: Various theories have been put forward to explain the phenomenon of origin of life. A few of them were only speculations while others were based on scientific...

ICSE / ISC K-12 (All Classes) Study Guide

Important Facts About Human Body

Normal Sperm Count: - 250-400 million/ejaculation Menstrual cycle: - 28 days Menopause age: - 45-50 years Blood clotting time:- 3-5 minutes Weight of Brain:- 1300-1400 gm in human adult Normal Blood...

ICSE / ISC K-12 (All Classes) Study Guide

Different types of disease symptoms

=> Necrosis: It indicates the death of cells, tissues and organs resulting from infection by pathogen. Necrotic symptoms include spots, blights, burn, canker, streaks, stripes, damping-off, rot etc....

ICSE / ISC K-12 (All Classes) Study Guide

Flow of Liquids and Viscosity

(Mechanical Properties of fluids):- Characteristic of Ideal fluid:- (a) It is incompressible (b) It is non-viscous (c) Flow of ideal fluid is irrational (d) It is capable of exhibiting steady flow =>...