CAREER POINT

Short Tricks Mathematics For JEE Main and Advanced

Short Tricks Mathematics For JEE Main and Advanced. It is a known fact that there is no substitute for hard work – However hard work must be done smartly to get the desired result. Keeping Smart Hard Work philosophy in mind, we have designed this book. Free Download Short Tricks Mathematics For JEE Main and …

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REPRODUCTIVE SYSTEM NOTE BY CAREER POINT

It is of two types;(i) Spermatogenesis: Formation of sperm.    (ii) Oogenesis : Formation of ova (2) Fertilization: It involves the fusion of haploid male and female gametes to form diploid zygote.  The fusion of gametic pronuclei is called Karyogamy while the mixing of two sets of chromosomes of two gametes is called amphimixis. (3) …

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ORIGIN AND EVOLUTION OF LIFE NOTE BY CAREER POINT

Origin of life: It is generally agreed that all life today evolved by common descent from a single primitive lifeform. We do not know how this early form came about, but scientists think it was a natural process which took place perhaps 3,900 million years ago. Origin of earth and its atmosphere:Earth is believed to have …

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ANATOMY OF FLOWERING PLANT NOTE BY CAREER POINT

Promeristem or Primordial meristem: The promeristem originates from embryo and, therefore, called primordial or embryonic meristem. It is present in the regions where an organ or a part of plant body is initiated. Primary meristem: A primary meristem originates from promeristem and retains its meristematic activity. It is located in the apices of roots, stems …

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GENETICS NOTE BY CAREER POINT

Genetics is the study of genes, genetic variation, and heredity in living organisms. It is generally considered a field of biology, but intersects frequently with many other life sciences and is strongly linked with the study of information systems. The discoverer of genetics is Gregor Mendel, a late 19th-century scientist and Augustinian friar. Mendel studied …

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NERVOUS SYSTEM NOTE BY CAREER POINT

The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body. The nervous system detects environmental changes that impact the body, then works in tandem with the endocrine system to respond to such events. Nervous tissue first arose in wormlike organisms about …

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ENDOCRINE SYSTEM NOTE BY CAREER POINT

The endocrine system is a chemical messenger system consisting hormones,the group of glands of an organism that carry those hormones directly into the circulatory system to be secreted to distant target organs, and the feedback loops of homeostasis that the hormones drive.  In humans, the major endocrine glands are the thyroid gland and the adrenal …

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DIGESTIVE SYSTEM NOTE BY CAREER POINT

The digestive system is composed of the mouth, esophagus, stomach, small intestine, large intestine, rectum and anus and associated glands liver and pancreas.  The digestive system obtains and processes food for the all of the cells in an organism. The stomach stores and macerates the food and begins the early phase of digestion. The small …

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ANIMAL TISSUE NOTE BY CAREER POINT

Animal tissues are grouped into four basic types: connective, muscle, nervous, and epithelial. Collections of tissues joined in structural units to serve a common function compose organs. While all eumetazoan animals (i.e. except Porifera) can generally be considered to contain the four tissue types, the manifestation of these tissues can differ depending on the type …

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ANIMAL DIVERSITY-I NOTE BY CAREER POINT

This lesson exposes children to a wide range of animals and guides them through observation of animal similarities, differences, and environmental adaptations. This lesson can be used as part of a study of plants and animals. Before doing the lesson, students should know the meanings of the terms plant, animal, and living.  As Benchmarks for …

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