SNAP 2015 GK Preparation
SNAP 2015 GK Preparation series. GK is a differentiator when it comes to SNAP. Most of the aspirants don’t prepare for the section and end up scoring below expectations. Though one cannot prepare for GK in a month, one can always do things that are enough to do reasonably well in the test. One can prepare topic wise, go through past papers and find the commonly asked GK topics and even take calculated guesses in the test. To help you prepare for SNAP 2015 GK section, we are going to write a series of articles focusing on GK. Every article will also be available in PDF format for download and easy viewing. Let’s dive into our #1 article in this series: Human Body.
While it is almost impossible to know everything about the mystery that is the human body, it becomes very important to know at least a few important things so that you are ready to face the GK section of the test. Most of the entrances are taken by non-engineers and the easiest way to stump them is to put a question from medicine. Here is a compilation of a few extremely important things that you should be aware of while taking a test.
| Vitamin | Sources | Function | Deficiency |
| Vitamin A (Retinol) | Fish oils, liver, rice, polishing and kidney (retinoids), green leafy vegetables and plants (carotenoids) | Essential for vision, promotes protein synthesis, promotes fertility and maintains normal growth of bones | Night blindness, redness in eyes, degeneration of tear glands |
| Vitamin D (Calciferol) | Sunlight, fish oils, butter, milk and eggs | Calcium absorption in the intestine, normal development of bones & teeth, deposition of calcium & phosphate in bones | Rickets in children, Osteomalacia in adults |
| Vitamin E (Tocopherol) | Wheat, germ oil, vegetable oil, egg yolk, green leafy vegetables | Normal functioning of muscles, skin and fertility | Sterility nutritional nuclear dystrophy, neurosis of heart muscles |
| Vitamin K | Green leafy vegetables | Coagulation of blood | Haemorrhagic tendencies |
| Vitamin | Sources | Function | Deficiency |
| Vitamin B1 (Thiamine) | Cereals, yeast, milk, green vegetables | Generation of energy from carbohydrates | Beri Beri |
| Vitamin B2 (Riboflavin) | yeast, vegetables, milk, egg white, liver and kidney | Energy production | Dark red tongue, dermatitis, cheilosis |
| Vitamin B3 (Niacin) | Fish, cereal, peanuts, and legumes | Metabolism of glucose, fat and alcohol | Pellagra |
| Vitamin B5 (Pantothenic acid) | Whole grains, brocolli, avocado | Biosynthesis of fatty acids, cholesterol, andacetylcholine | Very rare and similar to other B complex vitamins |
| Vitamin B6 (Pyridoxine) | Bananas, chickpeas, potatoes, pistachios | Metabolism and synthesis | Dermatitis, Cheilitis |
| Vitamin B7 (Biotin) | Intestinal bacteria | Synthesis of glucose, amino acids and fatty acids | Hair loss, conjunctivitis, dermatitis |
| Vitamin B9 (Folic acid) | Green leafy vegetables, avocado, Brussels sprouts | Cell division, growth, production of red blood cells | Disorders of the gastrointestinal tract |
| Vitamin B12 | Wide sources, metabolised inside the gut | Formation of blood, functioning of the nervous system | Anemia, mania and psychosis |
| Vitamin C (Ascorbic acid) | Citrus fruits | Antioxidant, synthesis of collagen, neurotransmitters, etc. | Scurvy |
Vitamins B and C are water soluble while Vitamins ADEK are fat soluble
| Blood groups | Antigens | Antibodies |
| A | A | B |
| B | B | A |
| AB | AB | None |
| O | None | AB |
| Largest cell | Female egg/ovum |
| Longest cell | Neurons/sciatic nerve |
| Largest organ | Skin |
| Largest internal organ | Liver |
| Longest bone | Femur (thigh bone) |
| Smallest bone | Stapes (inner ear) |
| Longest muscle | Sartorius (front of thigh) |
| Smallest muscle | Stapedius (inner ear) |
| Strongest muscle | Masseter (jaw) |
| Only movable bone in the skull | Mandible (lower jaw) |
| Number of muscles | Around 650 |
Download PDF of this article here: SNAP 2015 GK Preparation – Human body
Practice over 450 GK questions here: General Awareness Course
Read the entire series here: SNAP 2015 GK Preparation
