Gen Science And Technology Take Me home 12345678910111213141516171819202122232425262728293031 Gen Science Quiz 1 Bio Questions 30 1 / 31 Lungs are situated in the thoracic cavity pericardial cavity abdominal cavity buccal cavity 2 / 31 Manufacturing food by the process of photosynthesis in plants is an example of both anabolism and catabolism neither anabolism nor catabolism anabolism catabolism 3 / 31 Dialysis is used for the treatment of kidney failure brain disease heart weakness none of these 4 / 31 Lungs are enclosed in pleural membrane none of these peritoneum pericardium 5 / 31 Bacteria do not need sunlight to grow because they use other kinds of light for their food synthesis they prepare their food without the help of sunlight they lack chlorophyll and so they are incapable of making their own food they hate sunlight 6 / 31 A balanced diet contains macro and micronutrients food nutrients for growth and main- tenance butter and ghee animal protein 7 / 31 Banana fruit contains mainly starch glucose fat proteins 8 / 31 Deficiency of iron in human diet causes goitre rickets scurvy anaemia 9 / 31 A 'biological death' occurs/takes place when there is no pulse and heart beat all the body cells die after a few hours of clinical death pupils are fixed and dilated pupils show no reaction to light 10 / 31 Cotton fibres are made of cellulose fats Lipids protein 11 / 31 A mature living cell without a nucleus is a companion cell vessel sieve tube sieve cell sieve cell 12 / 31 Ductless glands are known as exocrine glands alveolar glands tubular glands endocrine glands 13 / 31 Cancer is also shown to be enhanced by all the above certain viruses hereditary predisposition components of the human diet 14 / 31 Food is normally digested in the liver stomach small intestines large intestines 15 / 31 Heightened emotion is caused by the salivary glands pituitary glands thyroid glands adrenal glands 16 / 31 Main substance involved in transfer of electrons in photosynthesis is FAD phytochrome cytochrome both (a) and (b) 17 / 31 Mumps is a disease caused by none of these virus bacterium fungus 18 / 31 A woman receives her X-chromosome from her mother only her father only both her mother and father either her mother or her father 19 / 31 Adenosine Triphosphate (ATP) is a protein a molecule with high energy bonds a hormone a an enzyme 20 / 31 A food chain consists of a decomposer only producer and a consumer consumer only producer only 21 / 31 Gene is a segment of DNA and histone all of the above a segment of DNA, RNA and histone a segment of DNA or functional RNA 22 / 31 A doctor advises a patient to take plenty of citrus fruits, guavas, tomatoes and amalas over a period of 2 months regu- larly. What do you think the patient is suffering from? softness and pain in bones, bending of vertebral column extreme weakness, swelling and pain in legs, loss of appetite, headache spongy, swollen and bleeding gums blurred vision, burning and dryness of eye and tongue, cracking of skin at the corner of the mouth 23 / 31 Human urine as compared to human blood is all of these hypertonic hypotonic hypertonic 24 / 31 Who is known as the "Father of Microbiology"? Jonas Salk Robert Koch Louis Pasteur Antonie Van Leeuwenhoek 25 / 31 A highly evolved human brain contains approximately 100 million nerve cells 10,000 million nerve cells 10,000 nerve cells 100,000 nerve cells 26 / 31 13. A healthy freshwater fish is placed in salt- water. The expected consequence of this would be that there is no observable effect on the fish provided there is sufficient food the fish suffers from a fungal or bac- terial disease and dies the fish becomes dehydrated and dies the fish becomes bloated and dies 27 / 31 All the following are invertebrates except fish crab prawn snail 28 / 31 A person having which of the following blood groups can receive blood of any group? O B AB A 29 / 31 What happens during seed germination? starch is synthesized heat is liberated starch is synthesized light is absorbed 30 / 31 Crows and pigeons are warm-blooded neither (a) nor (b) cold-blooded both (a) and (b) 31 / 31 Most fish do not sink in water because of the presence of the (i) swim bladder (ii) air bladder (iii) air sacs (iv) air in spongy bones i and ii are correct iii and iv are correct i, ii, iii and iv are correct ii and iii are correct Your score is 0% Send feedback 123456789101112131415161718192021222324252627282930 Gen Science Quiz 2 Questions 30 1 / 30 Enzymes are sensitive to pH heat poisons all three 2 / 30 Fish plates are used in railway tracks to connect two rails to control the speed of the train to keep the rails equidistant to avoid tracks being distorted due to temperature fluctuation 3 / 30 Which tissue is responsible for the passage of water in plants? collenchynatous cells phloem xylem sclerenchyma 4 / 30 Elements that show the properties of both metals and non-metals are called metalloids colloids alloys allotropes 5 / 30 Energy is not carried by transverse progressive waves longitudinal progressive waves stationary waves electromagnetic waves 6 / 30 Diamond is the form of carbon that is crystalline amorphous chemical alkaline 7 / 30 Holes in a semiconductor though they have no mass no charge positive charge negative charge 8 / 30 Manufacturing food by the process of photosynthesis in plants is an example of both anabolism and catabolism neither anabolism nor catabolism catabolism anabolism 9 / 30 If a bomb is released from a plane moving with uniform velocity, then by the time the bomb reaches the ground, the plane will be ahead of the bomb behind the bomb vertically above the bomb ahead or behind, depending on its velocity 10 / 30 Electromagnetic radiation is emitted by X-ray ultrasonic electrons protons 11 / 30 Which of the following is not a compound of calcium? gypsum molybdenum chalk marble 12 / 30 Cancer is also shown to be enhanced by hereditary predisposition certain viruses all the above components of the human diet 13 / 30 Enthalpy of a compound is equal to heat of combustion heat of formation heat of sublimation heat of reaction 14 / 30 Chromosomes are parts of the human brain constituent of blood, which produces heat in the body thread-like bodies that occur in the nuclei and carry the genetic code none of the above 15 / 30 Enzymes are fatty acids carbohydrates proteins nucleic acids 16 / 30 Body proteins' function is to catalyse biological reactions as en- zymes transport oxygen in blood and muscles build connective tissue and cartilage all the above 17 / 30 Hot coffee is poured simultaneously in four metallic tumblers painted outside with different types of paints. After sometime, the coffee will be found coldest in the tumbler painted rough white rough black shining white shining black 18 / 30 During rusting iron gains weight the weight of iron remains unchanged iron volatilizes iron loses weight 19 / 30 If a machine is lubricated with oil, then: its efficiency increases but its me- chanical advantages decreases the mechanical advantage of the ma- chine increases mechanical efficiency of machine increases both its mechanical advantages and mechanical efficiency increase 20 / 30 Which of the following is the hardest element? diamond iron silicon copper 21 / 30 Cotton fibres are made of cellulose fats Lipids protein 22 / 30 Bones are mainly made up of calcium and iron calcium and sulphur calcium and phosphorus calcium and magnesium 23 / 30 Wisdom teeth normally grow between the age of 17-25 45-55 10-17 34-40 24 / 30 Gravitational constant (G) is an example of non-dimensional constant dimensional constant quantity without dimensions numeric constant 25 / 30 Effect of light on photocells produces none of these photosynthesis energy current 26 / 30 Enamel is a kind of clay mixed with pigments none of the above a hardened transparent coating of paint a glossy coating fused to the surface of a metal, glass, or pottery 27 / 30 Distillation at reduced pressure is used for liquids which have high boiling points decompose before their boiling points have high volatility have low boiling points 28 / 30 Crows and pigeons are cold-blooded warm-blooded both (a) and (b) neither (a) nor (b) 29 / 30 Bond present between two carbohydrate molecule is Glycosidic phosphodiester amide hydrogen bond 30 / 30 Which of the following is not a chemical action? conversion of water into steam burning of paper digestion of food burning of coal Your score is 0% Send feedback 123456789101112131415161718192021222324252627282930 Gen Science Quiz 3 Questions 30 1 / 30 During elections, a permanent chemi- cal mark is put at the base of the nail of the index finger while exercising your franchise. This mark is not seen after 2 months or so because it is gradually oxidized by tannin and caffeine that we ingest in tea and cof- fee respectively (c) the formation of new nail forcibly removes the old one it is worn out by constant washing with scap and water constant contact of the hands with hard water corrodes the mark 2 / 30 Cooking oil can be converted into vegetable ghee by the process of hydrogenation crystallization distillation oxidation 3 / 30 Diamond is harder than graphite because of the difference in their structures difference of layers of atoms tetrahedral structure of diamond difference of layers of atoms 4 / 30 Choose the only scalar quantity from the following: torque momentum force energy 5 / 30 Colloids are suspensions of one phase in another are two-phase systems contain only water soluble substances are true solutions 6 / 30 Choose the only vector quantity from the following: torque density length energy 7 / 30 Core of transformer is made up of iron soft iron steel alnico 8 / 30 Containers for carrying strong acids are made of platinum lead copper brass 9 / 30 Ductless glands are known as endocrine glands alveolar glands tubular glands exocrine glands 10 / 30 Cloudy nights are warmer because of low atmospheric pressure clouds prevent radiation of heat from the ground into the air of the compact density of air more dust particles gather in the air 11 / 30 Corrosion of a metal occurs at the anode both anode and cathode none of the above cathode 12 / 30 Disease caused by deficiency of vitamin-C is scurvy night blindness pellagra beriberi 13 / 30 Dialysis is used for the treatment of brain disease none of these kidney failure heart weakness 14 / 30 Covalent bonds are mainly found in none of the above electrolytes organic compounds inorganic compounds 15 / 30 Conversion of a substance directly from solid to vapour state is known as sublimation decomposition vaporization ionization 16 / 30 Cosmic rays are uncharged particles are charged particles none of these can be charged as well as uncharged 17 / 30 Colloids are purified by coagulation condensation peptization dialysis 18 / 30 Delicious chilgoza seeds, commercially important products such as turpentine and resin and the drug ephedrine, useful in asthma and other respiratory ailments. are all obtained from plants that are gymnosperms algae monocotyledons and dicotyledons ferns 19 / 30 Cooking is quicker in a pressure cooker because steam is not wasted steam cooks food faster water boils at lower temperature increased pressure raises boiling point 20 / 30 Cholesterol is a fatty alcohol found in animal fats derivative of chloroform type of chlorophyll chromium salt 21 / 30 A camel adapts easily in a desert due to water cells in stomach to store meta bolic water RBC's are nucleated pads beneath two digits and hair growth near eyes and nostrils RBC's are nucleated hump with stored food as fats 22 / 30 Clouds float in the atmosphere because of their low temperature pressure density speed 23 / 30 Denaturation of a protein is caused by acid all of the above heat high salt concentration 24 / 30 Deficiency of iron in human diet causes rickets goitre anaemia scurvy 25 / 30 Coating of iron with zinc is known as none of these ionization electroplating galvanization 26 / 30 Copper is a diamagnetic substance paramagnetic substance dielectric ferromagnetic substance 27 / 30 Cud-chewing animals are known as frugivores sanguivores cannibals. ruminant 28 / 30 Which of the following is widely used as an anaesthetic? chlorine ammonia chloroform methane 29 / 30 Deforestation has caused intensified soil erosion floods and drought all the above loss of precious wildlife 30 / 30 Deforestation has an alarming effect on increase in grazing area soil erosion weed control sunlight Your score is 0% Send feedback 123456789101112131415161718192021222324252627282930 Gen Science Quiz 4 Questions 30 1 / 30 An element that can form a pentoxide is phosphorus nitrogen aluminium boron 2 / 30 Atomic number of an element gives the number of protons in its atom the total number of elementary particles in its atom the number of protons in its atom the weight of the atom of the element 3 / 30 During the day time plants take in nitrogen and give out oxygen take in oxygen and give out carbon dioxide take in carbon dioxide and give out oxygen take in nitrogen and give out oxygen 4 / 30 Chlorine is not used in the preparation of phosphine hydrochloric acid phosgene bleaching powder 5 / 30 An element found in all organic com- pounds is carbon nitrogen None Of the these calcium 6 / 30 Fungi are always autotrophic heterotrophic parasitic Saprophytic 7 / 30 Aluminium is extracted from bauxite by electrolysis in molten cryolite by reduction with carbon by reduction with CO by reduction with Mg 8 / 30 Chemically, an enzyme is a protein Vitamin lipid carbohydrate 9 / 30 Edible part of cauliflower is endocarp and mesocarp mesocarp, endocarp style and stigma mesocarp and pericarp 10 / 30 What happens during seed germination? starch is synthesized starch is synthesized heat is liberated light is absorbed 11 / 30 Carbon occurs in nature in the purest form as carbon black diamond graphite coal 12 / 30 At high altitudes it is difficult to cook eggs or vegetables properly because of high boiling point of water and low atmospheric pressure high atmospheric pressure and low boiling point of water low value of acceleration due to gravity low boiling point of water and low atmospheric pressure 13 / 30 ECG is used for the diagnosis of ailments of the heart lungs kidneys brain 14 / 30 appears to be the brightest at night? Jupiter Mercury Venus Mars 15 / 30 Carcinogenic chemicals are those that can cause none of these allergy carbon cancer 16 / 30 Amino acids are the building blocks lipids vitamins starch proteins 17 / 30 An element with atomic number 36 belongs to the s-block d-block f-block p-block 18 / 30 Fruiting body of mushrooms is present in Like dicotyledon seed Like monocotyledon seeds Algae Fungi 19 / 30 An ice block contains a glass ball when the ice melts within the water containing vessel, the level of water unchanged falls rises first rises and then falls 20 / 30 By what process is heat transmitted from the filament of an evacuated electric bulb to the glass? radiation heat cannot be transmitted through a vacuum conduction convection 21 / 30 Fertilization in frogs is both external and internal both external and internal internal external 22 / 30 As the train starts moving, a man sitting inside leans backwards because of conservation of mass moment of inertia inertia of rest inertia of motion 23 / 30 An object moving around in a circle is moving with a uniform velocity variable velocity` uniform speed variable speed 24 / 30 Enzymes help in respiration respiration reproduction immune system digestion of food 25 / 30 Cathode rays were discovered by Dirac J. J. Thomson Rutherford Lord Kelvin 26 / 30 Blue of the sky is due to the interference of white light reflection of white light by the earth scattering of white light by molecules of air refraction of white light by the atmo- sphere 27 / 30 Food is normally digested in the large intestines stomach liver small intestines 28 / 30 An iron hammer lying in the sun appears much hotter than its wooden handle because iron is a good conductor of heat iron absorbs more heat iron is darker than wood iron is at a higher temperature 29 / 30 From which part of the plant is turmeric obtained? stem root fruit seed 30 / 30 Atmospheric pressure is measured by using an instrument called a/an altimeter manometer hydrometer Your score is 0% Send feedback
