KVPY 2017 NEWS
NATIONAL LEVEL ONLINE/OFFLINE TEST
KVPY (Kishore Vaigyanik Protsahan Yojana) is a national level scholarship exam. It is held for students seeking admission to the B.Sc programmes at various institutes located in India. KVPY 2017 is scheduled for November 06, 2017 in online mode. The candidate has to appear for the Personal Interview after giving the KVPY 2017 exam.
It is compulsory for the candidates to clear the KVPY Interview to clear the exam. The Interviewees look for brilliant, skillful, confident and intelligent candidates. Mostly the personal interview session begins with candidates introducing themselves. Introduction is followed by some technical questions that are asked to check the academic knowledge of the candidate.
Given below are one of the most common questions asked from Biology section with answers: -
Ans. Lysosomes. They contain membrane-bound sacs with powerful digestive enzymes to digest the worn-out cell organelles. When the cell gets damaged, lysosomes may burst and the enzymes digest their own cell, hence called as “Suicidal bags of a cell”
Ans. The cells are called as structural and functional units of a living body. Cells are structural unit as they form the structure of the organism. Cells combine to form tissues, which further combine to form organs, organs combine to form organic systems, which further combine to form organism. So, cell is the basic structural unit for all unicellular and multicellular organisms.
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Ans. Troposphere: The troposphere is the lowest layer of Earth's atmosphere. The troposphere starts at Earth's surface and goes up to a height of 7 to 20 km (4 to 12 miles, or 23,000 to 65,000 feet) above sea level. Most of the mass (about 75-80%) of the atmosphere is in the troposphere. Almost all weather occurs within this layer.
Ionosphere: The ionosphere is defined as the layer of the Earth's atmosphere that is ionized by solar and cosmic radiation. It lies 75-1000 km (46-621 miles) above the Earth.
Ans. The definitions are as follows: -
Ans. The difference between the hearing capacities of a man, bat and a dog is given below: -
Ans. Lungs: It involved in the respiration system. It does not include any storage process as such.
Along with respiration, the other non-respiratory functions of the lungs are: -
Kidney: It is involved in the digestion system. It stores glucose and fat. The liver performs several roles in:
Ans. Lungs is the most important organ in terms of daily functioning except heart.
Ans. Cell wall: A rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants, it consists mainly of cellulose.
Mitochondria: Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.
Ans. Prokaryotes: microscopic single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles. Ex. Bacteria.
Eukaryotes: A eukaryote is any organism whose cells contain a nucleus and other organelles enclosed within membranes. Ex. Humans
Ans. Yes, humans are a part of the food chain.
Ans. Urinals when not cleaned develop urea cake due to disintegration of urine. The smell is that of urea.
Ans. 98.60 F. No. animals do not have same body temperature as humans
Ans. Gene: a distinct sequence of nucleotides forming part of a chromosome, the order of which determines the order of monomers in a polypeptide or nucleic acid molecule which a cell (or virus) may synthesize
Chromosome: a thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
Ans. The micro-organisms responsible for causing diseases in human body are given below in the tables with examples: -
|TB (Tuberculosis)||Mycobacterium tuberculosis||Bacterium|
Ans. Fat-soluble vitamins dissolve in fat and can be stored in your liver and fatty tissue until needed. They have a multitude of functions that range from keeping your heart working properly to allowing your blood to clot.
Ans.Proteins: Any of a class of nitrogenous organic compounds which have large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, etc., and as enzymes and antibodies.
Vitamins: A vitamin is an organic compound and a vital nutrient that an organism requires in limited amounts. An organic chemical compound (or related set of compounds) is called a vitamin when the organism cannot synthesize the compound in sufficient quantities, and it must be obtained through the diet.
Ans. Ecosystem is a biological community of interacting organisms and their physical environment.
Ans. Biosphere Reserve protect larger areas of natural habitat (than a National Park or Animal Sanctuary), and often include one or more National Parks and/or preserves, along with buffer zones that are open to some economic uses. Protection is granted not only to the flora and fauna, but also to the human communities who inhabit these regions.
|Nilgiri Biosphere Reserve|
|Gulf of Mannar Biosphere Reserve|
|Sundarbans Biosphere Reserve|
|Nanda Devi Biosphere Reserve|
|Nokrek Biosphere Reserve|
Ans. Water Vapor
Ans. A vaccine is a product that produces immunity from a disease and can be administered through needle injections, by mouth, or by aerosol. A vaccination is the injection of a killed or weakened organism that produces immunity in the body against that organism.
Vaccine for rabies was invented by Louis Pasteur.
Ans. Synthetic fabrics are textiles made from man-made rather than natural fibers. Examples of synthetic fabrics include polyester, acrylic, nylon, rayon, acetate, spandex, lastex, orlon and Kevlar. Synthetic (chemically produced) fabrics are made by joining monomers into polymers, through a process called polymerization.
Ans. Roughage helps to regulate digestion. Insoluble fiber provides bulk in your intestines and helps to keep food moving through your digestive tract. Insoluble fiber absorbs water and swells into a gel that helps to keep bowel movements soft and easy to pass. These attributes of fiber give it the ability to help relieve and prevent both constipation and diarrhea
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