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- Question 1 of 50
A triple vaccine is administered to a newborn child to immunize it against:
The DPT (Tdap) vaccine is administered to children from 6 weeks to 6 years of age to provide immunization against diphtheria, tetanus, and whooping cough (pertussis).
- Question 2 of 50
Laws of heredity were put forward by:
Gregor Mendel formed the Laws of Heredity (the Law of Segregation and the Law of Independent Assortment) from his pea plant experiments.
- Question 3 of 50
An antibiotic is:
An antibiotic is a chemical synthesized by a micro-organism against another micro-organism. It is a medicine which is used for destroying bacteria and curing infections. The term antibiotic, coined in 1942, describes any substance produced by a microorganism, and subsequently by chemical synthesis, that is antagonistic to the growth of other microorganisms.
- Question 4 of 50
Which one of the following can be synthesized by Liver?
Vitamin K–dependent coagulation proteins are synthesized by the liver. The liver synthesizes many of the clotting factors necessary for blood coagulation.
- Question 5 of 50
The fluid part of blood without corpuscles is called:
The fluid part of blood without corpuscles is called Plasma. Blood plasma is fluid part of blood in which corpuscles (blood cells) are absent, but contains proteins and other constituents of whole blood in suspension. Plasma is the largest part (about 55%) of blood.
- Question 6 of 50
A heart murmur indicates a:
A heart murmur is a blowing, whooshing, or rasping sound heard during a heartbeat. The sound is caused by turbulent (rough) blood flow through the heart valves or near the heart. It is usually due to defective valves.
- Question 7 of 50
The language used in writing the scientific name of animals is:
Latin (or Greek) is used to write scientific names. For hundreds of years, they had to be in Latin (or Greek) because books about biology and medicine were written in Latin (with a few entries in Greek), which was the international language of science. Latin is used in writing the scientific name of animals.
- Question 8 of 50
Ripe grapes contain:
Fructose is natural sugar present in fruits, certain vegetables, and honey. Grapes, apples, watermelon, asparagus, jackfruit, pears and zucchini are some fruits which contain high fructose.
- Question 9 of 50
Polythene is a polymer of:
A polymer is a substance or material consisting of very large molecules, or macromolecules, composed of many repeating subunits. polyethylene (alse known as Polythene) is a light, versatile synthetic resin made from the polymerization of ethylene.
- Question 10 of 50
Rayon is made from:
Rayon (also called viscose) is a semi-synthetic fiber, made from natural sources of regenerated cellulose, such as wood and related agricultural products. It has the same molecular structure as cellulose. It is also called viscose.
- Question 11 of 50
The enzyme in whose presence, glucose and fructose are converted into alcohol is:
Zymase is a complex enzyme whose presence in glucose and fructose is converted into alcohol. It catalyzes the fermentation of sugar into ethanol and carbon dioxide.
- Question 12 of 50
The branch of biology dealing with the study of cells is known as:
Cytology is the study of cells as fundamental units of living things. A cytology test is used to look closely at cells and body fluids.
- Question 13 of 50
The study of extinct animals is called:
The study of extinct animals is called Paleontology. Paleontology is the study of the history of life on Earth as based on fossils. Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock.
- Question 14 of 50
The medical term used for the sleeplessness is:
The medical term used for sleeplessness is Insomnia. It is a common sleep disorder that can make it hard to fall asleep, hard to stay asleep or cause to wake up too early and not be able to get back to sleep.
- Question 15 of 50
The causative agent of Tuberculosis is:
Tuberculosis (TB) is caused by a bacterium called Mycobacterium tuberculosis. The bacteria usually attack the lungs, but TB bacteria can attack any part of the body such as the kidney, spine, and brain.
- Question 16 of 50
The enzyme that is present in the saliva of humans is:
Salivary amylase is an enzyme that is present in the saliva of humans. It is a glucose-polymer cleavage enzyme that is produced by the salivary glands.
- Question 17 of 50
Blood cancer is otherwise called as:
Blood cancer is otherwise called Leukemia. Leukemia is cancer of the body’s blood-forming tissues, including the bone marrow and the lymphatic system.
- Question 18 of 50
Radio-immunoassay (RIA) is a therapy used:
Radio-immunoassay (RIA) is a therapy used to detect antibody hormones present in blood samples. It is an immunoassay that uses radiolabeled molecules in the stepwise formation of immune complexes.
- Question 19 of 50
Which one of the following is not a true snake?
A glass snake (glass lizard) is a long, slender, legless lizard that superficially resembles a snake but is not a true snake. It has no legs but is not a snake, making it a unique and interesting member of the reptile kingdom.
- Question 20 of 50
Which one of the following sets belongs to the class Mammalia?
Whale, Bat, Kangaroo and Hippopotamus belong to the class Mammalia. Penguins and Ostrich are a group of aquatic flightless birds not belonging to the class Mammalia.
- Question 21 of 50
Which one of the following pairs belongs to cartilaginous fish?
Shark and Ray belong to cartilaginous fish. Cartilaginous fish (Chondrichthyes) is a fish of a class distinguished by having a skeleton of cartilage rather than bone, including the sharks, rays, and chimeras.
- Question 22 of 50
Which one of the following is not a true fish?
Silverfish (Lepisma saccharinum) is not a fish but an insect. It is a species of small, primitive, wingless insect in the order Zygentoma (formerly Thysanura). Its common name derives from the insect’s silvery light grey colour, combined with the fish-like appearance of its movements.
- Question 23 of 50
Johann Gregor Mendel is famous for propounding:
Gregor Mendel (1822-1884) discovered the basic principles of heredity through experiments with pea plants, long before the discovery of DNA and genes.
- Question 24 of 50
Which of the following has no skeleton at all?
Jellyfish are marine invertebrates with no brains, no bones, no heart, and no eyes. Silverfish (Lepisma saccharinum) is not a fish but an insect.
- Question 25 of 50
Which of the following has highest calorific value?
Fat has more than twice as many calories per gram as carbohydrates and proteins. A gram of fat has about 9 calories, while a gram of carbohydrate or protein has about 4 calories.
- Question 26 of 50
What is an endoscope?
Endoscopy is an optical instrument used to see inside the alimentary canal. It is a nonsurgical procedure used to examine a person’s digestive tract. Using an endoscope, a flexible tube with a light and camera attached to it, the doctor can view pictures of the digestive tract on a monitor.
- Question 27 of 50
The age of a tree can be determined more or less accurately by?
The age of a tree can be determined by counting the rings from the pith of the trunk to the bark. Tree rings are the most accurate indicator of a tree’s age. Finding the age of a tree by counting annual growth rings is called dendrochronology.
- Question 28 of 50
Of all micro-organisms, the most adaptable and versatile are:
The human body is home to millions of microorganisms (microbes). Some microbes make us sick, others are important for our health. The most common types are bacteria, viruses, protozoa and fungi. Viruses are the most adaptable and versatile microorganisms. Viruses can do nothing until they enter a living cell but when enter a living cell they would be able to multiply.
- Question 29 of 50
The nitrogen present in the atmosphere is:
The nitrogen present in the atmosphere is utilised through microorganisms. Plants get the nitrogen from the soil, where it has already been fixed by microorganisms (bacteria and archaea). Bacteria and archaea in the soil and in the roots of some plants have the ability to convert nitrogen from the air (N2) to ammonia (NH3), thereby breaking the tough triple bond of molecular nitrogen.
- Question 30 of 50
The disease in which the sugar level of blood increases is known as:
Diabetes mellitus (DM) is a metabolic disease, involving inappropriately elevated blood sugar (glucose) levels. Diabetes happens when your body can’t take up sugar into its cells to use as fuel.
- Question 31 of 50
Which one of the following is not a mosquito-borne disease?
Sleeping sickness is caused by microscopic parasites of the species Trypanosoma Brucei. It is transmitted by the tsetse fly (Glossina species).
- Question 32 of 50
Which one of the following creatures has a maximum number of ribs?
A snake has a maximum number of ribs. On each vertebra on a snake is a set of ribs, just like a human. Humans have 24 ribs that protect the important organs within, as well as provide structure to house those organs. Snakes have two ribs attached to every single vertebra that they have, meaning that a snake with 200 vertebrae would have 400 ribs.
- Question 33 of 50
Which one of the following is most important for the growth of children up to the age of 14?
Protein is most important for the growth of children up to the age of 14. It helps repair and maintain vital tissues and, is crucial for the growth of all organ systems including bones and muscles. Proteins in the body also work as enzymes, immune molecules, hormones and cellular messengers. Therefore, proteins are vital for the growth and development of every child.
- Question 34 of 50
Which one of the following does not secrete any digestive enzyme?
The liver secretes bile juice that does not contain enzymes but helps in digestion. Salivary gland secrets ptyalin which is the first digestive enzyme. The small intestine secrets maltase, and peptidase. The pancreas produces pancreatic amylase, trypsin, nuclease, nucleosidases, and lipase.
- Question 35 of 50
The term ‘GM food’ refers to the food:
Genetically modified (GM) foods are foods derived from organisms whose genetic material (DNA) has been modified in a way that does not occur naturally. GM is a technology that involves inserting DNA into the genome of an organism. To produce a GM plant, new DNA is transferred into plant cells.
- Question 36 of 50
Which of the following is a fish?
Silverfish, Starfish and Cuttlefish are not true fish. Silverfish is not a fish but an insect. Starfish is not a fish. It do not have gills, scales, or fins. Cuttle fish is not the fish but is a Mollusc belonging to the class Cephalopoda. Dogfish are small, bottom-dwelling sharks.
- Question 37 of 50
The colour of human skin is produced by:
Melanin is a type of pigment that gives color to the hair, skin, and eyes in humans and animals. It is a complex polymer derived from the amino acid tyrosine.
- Question 38 of 50
Which one of the following is not transmitted via blood transfusion?
Typhoid is not transmitted via blood transfusion. It is a highly contagious disease that’s mostly spread through fecal contamination of food and water.
- Question 39 of 50
Which one of the following is not a plant product?
Saccharin is not a plant product. It is a non-nutritive or artificial sweetener. It’s made in a laboratory by oxidizing the chemicals o-toluene sulfonamide or phthalic anhydride. It looks like white, crystalline powder.
- Question 40 of 50
Which is the anti-coagulant substance in blood?
Heparin is the anti-coagulant substance in the blood. Heparin injection is used to decrease the clotting ability of the blood and help prevent harmful clots from forming in blood vessels. This medicine is sometimes called a blood thinner, although it does not actually thin the blood.
- Question 41 of 50
In which of the following groups, animals bear no teeth?
Loris, Alligator and Cow have teeth. Peacock, Ostrich, Tortoise, Owl, Crow and Kiwi do not have teeth. Birds do not have teeth, although they may have ridges on their bills that help them grip food. Turtles and tortoises don’t have teeth. Instead, their mouths have a hard, sharpened edge that they use to bite with, kind of like a bird’s beak.
- Question 42 of 50
Jaundice is a symptom of the disease of:
Jaundice is a symptom of the disease of the Liver. Jaundice happens when there’s too much bilirubin, a yellow-orange substance, in the blood. It’s found in red blood cells. This happen when there are too many red blood cells dying or breaking down (hemolysis) and going to the liver.
- Question 43 of 50
The vaccination against smallpox involves the introduction of:
The smallpox vaccine is made from a virus called vaccinia, which is a poxvirus similar to smallpox, but less harmful. It contains live vaccinia virus, not a killed or weakened virus like many other vaccines. Other live virus vaccines currently used include measles, mumps, rubella, and chickenpox.
- Question 44 of 50
Deficiency of Vitamin B6 in men causes:
Vitamin B6 is one of the B vitamins. Deficiency of Vitamin B6 in men causes anemia because it is needed to form red blood cells.
- Question 45 of 50
Yellow Fever is transmitted by:
Yellow fever is a viral disease transmitted by infected Aedes or Haemagogus species mosquitoes. Yellow fever virus is an RNA virus that belongs to the genus Flavivirus. The “yellow” in the name refers to jaundice that affects some patients.
- Question 46 of 50
Washing of peeled vegetables removes the vitamin:
There are two types of vitamins: water-soluble and fat-soluble. Vitamin C and members of the vitamin B complex are water-soluble. Water-soluble vitamins are easily destroyed or washed out during food storage and preparation.
- Question 47 of 50
Pasteurisation is the process in which milk is heated to:
Pasteurization of milk requires temperatures of about 63°C (145°F) maintained for 30 minutes or, alternatively, heating to a higher temperature, 72°C (162 °F), and holding for 15 seconds (and yet higher temperatures for shorter periods of time). The times and temperatures are determined to be necessary to destroy disease-causing microorganisms found in milk.
- Question 48 of 50
A man with colour blindness will see red as:
colour blindness, inability to distinguish one or more of the three colours red, green, and blue. A man with colour blindness will see red as Green.
- Question 49 of 50
Bird Flu virus cannot be transmitted through food cooked beyond:
According to WHO, the Bird Flu virus cannot be transmitted through food cooked beyond 70 degrees Celsius.
- Question 50 of 50
The number of chambers in a human heart is:
A typical heart has four chambers (two upper and two lower). The upper chambers, the right and left atria, receive incoming blood. The lower chambers, the more muscular right and left ventricles, pump blood out of the heart. The heart valves are gates at the chamber openings.