Online Notes

 Branches of Biology  There are different branches of biology. Some of the terms and with what study they are related, has been given in this blog. Hope that you like it. The list of 50+ terms used for different branches of biology is given below. 1) Anatomy - deals with the study of internal structures of an organism with naked eye. 2) Angiology - Study of blood vessels. 3) Bacteriology - Study of bacteria 4) Biochemistry - Study of chemistry of living organism. 5) Cardiology - Study of heart. 6) Cytology - Study of structure and function of cell and cell organelles. 7) Dermatology - Study of skin and skin appendages. 8) Ecology - Study of relationship between living organisms and environment. 9) Embryology -  Study of formation and development of embryo up to hatching or birth. 10) Endocrinology - Study of endocrine glands and hormones. 11) Evolution - Study of origin of life and formation of different forms from the primordial life and relationship between t...

Chromosome and Sex determination Part-2  Very short questions and answers for S.E.E. students Questions and answers to practice for S.E.E. examination 1) What is telocentric chromosome? Answer: The chromosome having cetnromere at one end of the chromatid is called telocentric chromosome. 2) What are hereditary characteristics? Answer: The characteristics which are transmitted from one generation to another are called hereditary characteristics. 3) How many types of chromosomes are there on the basis of position of centromere? Answer: On the basis of position of centromere, chromosomes are of following types:          (i) Metacentric          (ii) Sub-metacentric          (iii) Acrocentric      and          (iv) Telocentric 4) What types of cells contain haploid chromosomes? Answer: Gametes (male gamete or female gamete) contain haploid chromosomes. 5) Write any two...

Human Nervous and Glandular System Part-1  Very short questions and answers for S.E.E. students Questions and answers to practice for S.E.E. examination 1)  Write down the function of sympathetic nervous system. Answer:   The function of sympathetic nervous system is to increase the working of heart, lungs, stomach, intestine and urinary bladder. 2)  What is the function of parasympathetic nervous system. Answer: The function of parasympathetic nervous system is to bring the activities of heart, lungs, stomach, intestine and urinary bladder under normal condition. 3) What is an impulse? Give any one example. Answer: An impulse is a wave of electrical disturbance that sweeps over the nerve cells, e.g., impulse of touch. 4) What are effector organs? Give examples. Answer: Effector organs are the organs which become stimulated on receiving the impulse, e.g. eye, tongue, etc. 5) How much percentage of the brain does cerebrum occupy? Answer: Cerebrum occupies about 80...

Human Nervous and Glandular System Part-1  Very short questions and answers for S.E.E. students Questions and answers to practice for S.E.E. examination 1) What are nerves? Answer: Nerves are the communication lines for transmission of impulses from one part of body to another. Nerves are elongated, slender, thread like structures arising from the brain and spinal cord. 2) What is a neuron (or a nerve cell)? Answer: Neuron (nerve cell) is a highly specialized cell  which acts as the structural and functional unit of nervous system. 3) Name the three membranes that surround the brain and spinal cord. Answer: The three membranes that surround the brain and spinal cord are duramater, piamater and archanoid mater. 4) What is cerebrospinal fluid? Answer: Cerebrospinal fluid is the fluid present between the layers of meninges. 5) Where is cerebrospinal fluid found? Answer: Cerebrospinal fluid is found between piamater and archanoid matter. 6) Write down the surface area of the cereb...