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CLASS 11TH BIOLOGY CHAPTER- 20 LOCOMOTION AND MOVEMENT NCERT QUICK REVISION NOTES FOR NEET AND CBSE EXAM

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LOCOMOTION AND MOVEMENT Arthritis: an inflammatory joint disease characterised by inflammation of  joints. Coccyx : tail bone formed by fusion of four coccygeal vertebrae in man. Dicondylic Skull: A Skull with two occipital condyles. Endo Skeleton: A skeleton present inside the body. Fascicle: Bundles of muscles fibres held together by connective tissue.  Fascia: Collagenous connective tissue layer that surrounds muscle bundles. Floating ribs: The ribs that remain free anteriorly, (last 2 pairs) False ribs: 8th, 9th and 10th pair of ribs not directly joins the sternum but  to seventh pair of ribs, hence called pseudoribs.  Myoglobin: A red colored pigment present in sarcoplasm of muscle. Sarcomere: A portion of myofibril between two successive 'Z' lines. Sarcolema: The plasma membrane of a muscle. Gout: Inflammation of joints due to accumulation of uric acid crystal. Suture: immovable joints between skull bones. Synovial joints: Freely movable joints between lim...
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CLASS 12TH BIOLOGY CHAPTER- 6 MOLECULAR BASIS OF INHERITANCE NCERT QUICK REVISION NOTES FOR NEET AND CBSE EXAM

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CHAPTER 6: MOLECULAR BASIS OF INHERITANCE Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging: DNA replication; Central dogma; transcription, genetic code, translation; gene expression and regulation lac operon; genome and human and rice genome projects; DNA fingerprinting. Anticodon: A sequence of three nitrogenous bases on tRNA which is com plementary to the codon on mRNA. Genome : Sum total of genes in haploid set of chromosomes. DNA Polymorphism: The variations at genetic level, where an inheritable mutation is observed, in a population at high frequency. Satellite DNA: The repetitive DNA sequences which form a large portion of genome and have high degree of polymorphism but do not code for any proteins. Operon: A group of genes which control a metabolic pathway. Exons: The regions of a gene which become part of mRNA and code for  different regions of proteins. Introns: The regions of a gene which ...
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CLASS 12TH BIOLOGY CHAPTER- 3 HUMAN REPRODUCTION NCERT QUICK REVISION NOTES FOR NEET AND CBSE EXAM

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CHAPTER 3: HUMAN REPRODUCTION Male and female reproductive systems; microscopic anatomy of testis and ovary; gametogenesis spermatogenesis and oogensis; menstrual cycle; fertilization, embryo development upto blastocyst formation, implantation; pregnancy and placenta formation (elementary idea): parturition (elementary idea): lactation (elementary idea). ¶ Blastula: A stage of embryogenesis which comes after morula and has a  hollow fluid filled space called blastocoel.  ¶ Gestation Period: A period between fertilisation of ovum and the birth of  a baby.  ¶ Implantation:  Fixing of embryo/fertilised egg in uterus. It leads to  pregnancy. ¶ Menarche:  The beginning of first menstruation in female on attaining puberty. ¶ Menopause:  Permanent ceasation of menstrual cycle female. It occurs between the age 45 to 50 years in human female.  ¶ Ovulation:  Process of release of mature ovum (Secondary oocyte) from the  ovary....
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