W.B Joint Entrance Exam

Quadratic Equations

Submitted by pradipta pramanik on Sat, 02/26/2011 - 16:54

Quadratic Equations : Quadratic equations with real coefficients; Relations between roots and coefficients; Nature of roots; Formation of a quadratic equation, sign and magnitude of the quadratic expression ax2+bx+c (a,b,c are rational numbers and a≠0).

Complex Numbers

Submitted by pradipta pramanik on Sat, 02/26/2011 - 16:54

Complex Numbers: Definition and properties of complex numbers; Complex conjugate; Triangle inequality; Square root of complex numbers; Cube roots of unity; D’Moivre’s theorem (statement only) and its elementary applications.

Application of Biology

Submitted by pradipta pramanik on Sat, 02/26/2011 - 00:41

Application of Biology :
Pesticides and Biological Pest Control – Benefit and hazards, Basic principles of ex situ and in situ conservation.
Red Data Book, Green Data Book.
Role of phytohormones in horticulture and agriculture.

Immunology

Submitted by pradipta pramanik on Sat, 02/26/2011 - 00:40

Immunology : A brief idea of antigen and antibody. Elementary knowledge of inherited, acquired, humoral, cell mediated immunity. Active and passive immunity. Prevention of AIDS and Hepatitis B.