Biology MCQ (Multiple Choice Questions) - SchoolingAxis

Biology MCQ (Multiple Choice Questions)

 Que- Artocarpus integra is the scientific name of ________ . 

a. Guava 

b. Pineapple 

c. Silver Oak 

d. Jack fruit 


Answer- Jack fruit


Que- Which of the following is a fish? 

a. Jelly fish 

b. Lobster 

c. Salmon 

d. Whale 


Answer- Salmon


Que- What is scientific name of ""Cotton"" ? 

a. Azadhirachta Indica 

b. Phaseolies auicus 

c. Gossypium Herbaceum 

d. Ficus Benghalensis 


Answer- Gossypium Herbaceum


Que- Study of parasitic organism is called 

a. Parazology 

b. Parasitology 

c. Both a and b 

d. None of these 


Answer- Parasitology


Que- The study of relation of animals and plants to their surroundings is called ________  

a. Ecology 

b. Ethrology 

c. Genealogy 

d. Iconology 


Answer- Ecology


Que- Amarbel is an example of 

a. Parasite 

b. Host 

c. Autotroph 

d. Saprotroph 


Answer- Parasite


Que- When we consume the goat or sheep beef then we are 

a. Primary consumer 

b. Secondary consumer 

c. Tertiary consumer 

d. None of the above 


Answer- Secondary consumer


Que- Branch of biology in which we study about relationship between living and their environment. 

a. Physiology 

b. Genetics 

c. Ecology 

d. Geology 


Answer- Ecology


Que- The outer white part of the eye which is supporting wall of the eyeball is known as 

a. Cornea  

b. Sclera  

c. Iris  

d. Retina  


Answer- Sclera 


Que- Human eye can differentiate between colors due to 

a. Rods  

b. Cones  

c. Bipolar nerves  

d. Pigmented epithelium  


Answer- Cones 


Que- The outer membrane that covers the brain is 

a. Myelin sheath 

b. Dura mater 

c. Arachnoid membrane 

d. Pia mater 


Answer- Dura mater


Que- The inner most membrane that covers the brain is 

a. Pleura 

b. Duramater 

c. Pia - mater 

d. Arachnoid membrane 


Answer- Pia - mater


Que- Which systems comprise the nervous system? 

a. Central nervous system 

b. Peripheral nervous system 

c. Both A & B 

d. None of the above 


Answer- Both A & B


Que- Which organelle performs cellular respiration? 

a. Mitochondria 

b. Cytolasm 

c. Chloroplasts 

d. All of the above 


Answer- Mitochondria


Que- The great contributing of Schwan was  

a. What he saw 

b. How interpreted what he saw 

c. Cell discover 

d. None of the above 


Answer- How interpreted what he saw


Que- What organelle carries out photosynthesis? 

a. Chloroplasts 

b. Ribosomes 

c. Chromosomes 

d. All of the above 


Answer- Chloroplasts


Que- Which organelles are unique to plant cells? 

a. Central vacuole 

b. Chlorophyll 

c. Cell wall 

d. All of the above 


Answer- All of the above


Que- Membrane bound organelles are not found in the cells of 

a. Eukaryotes 

b. Prokaryotes 

c. Both A & B 

d. Nokaryotes 


Answer- Prokaryotes


Que- The main thinking part of the brain is 

a. Midbrain 

b. Hypothalamus 

c. Forebrain 

d. Hindbrain 


Answer- Forebrain


Que- What is the first thing that alcohol effects? 

a. Judgement 

b. Speech 

c. Vision 

d. Balance 


Answer- Judgement


Que- Largest part of human brain is 

a. Cerebellum 

b. Cerebrum 

c. Olfactory labbe 

d. Mid brain 


Answer- Cerebrum


Que- The functional connection between two neurons is a 

a. Axon 

b. Synapse 

c. Neuroglia 

d. Dendrites 


Answer- Synapse


Que- The functional unit of the nervous system is the 

a. Nephrons 

b. Axons 

c. Neurons 

d. All of the above 


Answer- Neurons


Que- Which of the following is a work done by the placenta tissue in humans? 

a. Support the embryo 

b. Removes waste matter from the embryo and provide nutrition to the embryo 

c. Provide nutrition to the embryo 

d. Remove waste matter from the embryo 


Answer- Removes waste matter from the embryo and provide nutrition to the embryo


Que- Corpus luteum is associated with 

a. Liver  

b. Brain  

c. Kidney  

d. Ovary  


Answer- Ovary 


Que- A gland below the bladder and surrounding the urethra is 

a. Prostate 

b. Seminal vesicle 

c. Bartholin 

d. Vas deferens 


Answer- Prostate


Que- Snakes receive sound vibrations by 

a. Tympanum 

b. Body 

c. Internal ear 

d. Earth 


Answer- Body


Que- A man with colour blindness will see red as 

a. Green 

b. Red 

c. Orange 

d. Yellow 


Answer- Green


Que- Vitamin present in guava fruits 

a. Vitamin - A 

b. Vitamin - B 

c. Vitamin - C 

d. Vitamin - D 


Answer- Vitamin - C


Que- Vitamins are 

a. Macro Nutrients 

b. Micro nutrients 

c. Essential Amino acids 

d. Non essential Amino acids 


Answer- Micro nutrients


Que- Which of the following vitamins acts like hormone? 

a. Vitamin A 

b. Vitamin B 

c. Vitamin C 

d. Vitamin D 


Answer- Vitamin D


Que- Which of the following vitamins are water soluble? 

a. Vit. A & Vit. B 

b. Vit. B & Vit. C 

c. Vit. C & Vit. D 

d. Vit. A & Vit. K 


Answer- Vit. B & Vit. C


Que- Lathyrism is caused by excess consumption of________  

a. Khesari Dal 

b. Mustard oil 

c. Mushrooms 

d. Polished rice 


Answer- Khesari Dal


Que- The horizonatally growing hyphae of Rhizopus are called  

a. Rhizoids 

b. Stolons 

c. Sporangiophores 

d. Holdfast 


Answer- Stolons


Que- Which one of the following scientists first time saw bacteria through a microscope made by himself ? 

a. Antonie Van Leeuwenhoek 

b. Louis Pasteur 

c. Robert Hooke 

d. Robert Virchow 


Answer- Antonie Van Leeuwenhoek


Que- The unicellular algae used to supply and regulate the oxygen in space programmes is 

a. Spyrogyra 

b. Chlorella 

c. Ulothrix 

d. Odogonium 


Answer- Chlorella


Que- Amoeba moves in water with the help of locomotory organs called 

a. Setae 

b. Tube feet 

c. Pseudopodia 

d. Flame cell 


Answer- Pseudopodia


Que- Bacteria are (were) considered more as plants than animals because of the presence of 

a. Small nucleus 

b. Plasma membrane 

c. Cell wall 

d. Spore formation 


Answer- Cell wall


Que- Main function of white blood corpuscles is 

a. Transport of CO2 

b. Transport of oxygen 

c. To produce immune system of body 

d. None of the above 


Answer- To produce immune system of body


Que- Which one of the following is a rich source of iron? 

a. Carrot 

b. Pea 

c. Rice 

d. Spinach 


Answer- Spinach


Que- The Vitamin that is destroyed on heating 

a. "E" 

b. "C" 

c. "A" 

d. "B" 


Answer- "C"


Que- Which among the following is a Vitamin? 

a. Citric acid 

b. Follic acid 

c. Glutonic acid 

d. None 


Answer- Follic acid


Que- They play key roles in the contraction of muscles,digestion of food and clotting of blood. 

a. Fats 

b. Carbohydrates 

c. Proteins 

d. Vitamins 


Answer- Proteins


Que- Which one of the following organisms is dependent on saprophytic mode of nutrition? 

a. Agaricus 

b. Ulothrix 

c. Riccia 

d. Cladophora 


Answer- Agaricus


Que- In 1610, who made microscope and used it to observe very small animals? 

a. Robert Hooke 

b. Galilo 

c. Aristotle 

d. Laveran 


Answer- Galilo


Que- What three statements make up the cell theory? 

a. All living things are made up of cells 

b. New cells come frome exisiting cells 

c. Cells are the basic unit of structure/function in living things 

d. All of the above 


Answer- All of the above


Que- The outermost layer in a plant cell is 

a. Cell wall 

b. Cell membrane 

c. Plasma membrane 

d. Nuclear membrane 


Answer- Cell wall


Que- The longest cells of human body 

a. White blood corpuuscles 

b. Red blood cells 

c. Neuron cell 

d. None of these 


Answer- Neuron cell


Que- They contain those enzymes which can digest the phagocytosed food particles. 

a. Ribosomes 

b. Mitochondria 

c. Lysosomes 

d. None of the above 


Answer- Lysosomes


Que- The study of structure and functions of cells is termed as  

a. Genetics 

b. Ecology 

c. Embrylogy 

d. Cell Biology 


Answer- Cell Biology


Que- Where in the cell are chromosomes located? 

a. Mitochondria 

b. DNA 

c. RNA 

d. Nucleus 


Answer- Nucleus


Que- Which are called the factory of protein synthesis? 

a. Ribosomes 

b. Lysosmes 

c. Golgi Bodies 

d. Mitochondria 


Answer- Ribosomes


Que- Who is known as father of Biology? 

a. Aristotle 

b. Drawin 

c. Lamark 

d. Purkenja 


Answer- Aristotle


Que- Who is known as father of Biology 

a. Aristotle 

b. Darwin 

c. Lamark 

d. Linneus 


Answer- Aristotle


Que- Number of which type of WBC is greatest in blood of human 

a. Eosinophils 

b. Basiophils 

c. Lymphocytes 

d. Neutrophils 


Answer- Neutrophils


Que- Blood is 

a. Alkaline 

b. Neutral 

c. Like a buffer 

d. Acidic 


Answer- Alkaline


Que- Blood pressure is measured with 

a. Thermometer 

b. Barometer 

c. Sphygmomanometer 

d. Lactometer 


Answer- Sphygmomanometer


Que- Which of the following is true about veins? 

a. Veins carry blood away from the heart, while arteries carry blood to the heart 

b. Veins are more muscular than arteries 

c. Veins have valves; arteries do not 

d. Veins have a smaller diameter lumen than arteries 


Answer- Veins have valves; arteries do not


Que- Which of the following serve as antibodies? 

a. Proteins 

b. Lipids 

c. Carbohydrates 

d. Nucleic acids 


Answer- Proteins


Que- Purification of blood takes place in 

a. Lungs 

b. Heart 

c. Kidney 

d. Liver 


Answer- Lungs


Que- Fully mature human RBCs has 

a. A nucleus 

b. No nucleus 

c. Nucleus may or may not be present 

d. None of the above 


Answer- No nucleus


Que- Which of the following blood group is universal donor? 

a. B 

b. O 

c. A 

d. AB 


Answer- O


Que- Human heart is made up of 

a. Nervous tissue 

b. Cardiac muscle 

c. Nonstriated muscle 

d. Connective tissue 


Answer- Cardiac muscle


Que- Antigens 'A' and 'B' are absent in persons belong to blood group 

a. 'O' 

b. 'A' 

c. 'B' 

d. 'AB' 


Answer- 'O'


Que- Which Vitamin is obtained from Sun rays? 

a. Vitamin A 

b. Vitamin C 

c. Vitamin K 

d. Vitamin D 


Answer- Vitamin D


Que- The Vitamin required for the synthesis of nucleic acid is 

a. Tocoferorl 

b. Folic acid 

c. Cyanocobalamine 

d. Riboflavin 


Answer- Folic acid


Que- Which of the following statements is not true about metabolism? 

a. Younger people generally have a slower metabolism than adults 

b. Basal metabolism is the amount of energy needed for sustaining life 

c. Basal metabolism is measured by the amount of calories burned when your body is inactive 

d. Metabolism is influenced by numerous factors, such as heredity and age 


Answer- Younger people generally have a slower metabolism than adults


Que- An important function of fat in the body is to 

a. Protect vital organs 

b. Stores energy 

c. Insulate us 

d. All of the above 


Answer- All of the above


Que- Vitamin K is required for 

a. Blood clotting 

b. Respiration 

c. Carbohydrate metabolism 

d. Calcium phosphorus 


Answer- Blood clotting


Que- The artificial kidney is a 

a. Transplant 

b. Machine 

c. Another's kidney 

d. Other kidney from same body 


Answer- Machine


Que- Which statement regarding the mammalian heart is correct? 

a. Blood is pumped from the heart via the atria 

b. Oxygen-loaded blood moves only through the right side of the heart 

c. When the right atrium contracts, it forces blood into the left atrium 

d. In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs 


Answer- In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs


Que- An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is 

a. B or A 

b. AB or A 

c. A or O 

d. AB or B 


Answer- AB or B


Que- Which of the following carries oxygen to various parts of human body? 

a. Red blood cells 

b. White blood cells 

c. Plasma 

d. Nerves 


Answer- Red blood cells


Que- Instrument used to measure blood pressure is 

a. E.C.G 

b. Stetheoscope 

c. sphygmomanometer 

d. Arm band 


Answer- sphygmomanometer


Que- Lymph carries digested and absorbed fat from ________ . 

a. Lungs 

b. Intestine 

c. Stomach 

d. Kidney 


Answer- Intestine


Que- Which one of the following completes the given statement correctly ?Cretinism is a human disorder which is due to the under secretion of 

a. Adrenalin hormone 

b. Cortisone hormone 

c. Glucagon hormone 

d. Thyroxin hormone 


Answer- Thyroxin hormone


Que- The thyroid hormone that regulates carbohydrate metabolism is 

a. Parathyroid 

b. Thyroxin 

c. Parathormone 

d. Estrogen 


Answer- Thyroxin


Que- Which of the following hormones contains Iodine? 

a. Thyroxine 

b. Testosterone 

c. Insulin 

d. Adrenaline 


Answer- Thyroxine


Que- Which of the following is not an Endocrine Gland? 

a. Spleen 

b. Pituitary 

c. Thyroid 

d. Adrenal 


Answer- Spleen


Que- Pineal gland is situated in 

a. Liver 

b. Brain 

c. Kidney 

d. Uterus 


Answer- Brain


Que- In 1910, who proved the idea of W.S.Sutton that genes are located on chromosomes? 

a. T.H.Morgan 

b. De Duve 

c. Palade 

d. Waldeyer 


Answer- T.H.Morgan


Que- Different forms of genes are called 

a. Genomes 

b. Allele 

c. Genotypes 

d. None of the above 


Answer- Allele


Que- When more than 20% of the body weight is due to fat, the person is suffering from 

a. Marasmus 

b. Kwashiorkor 

c. Scurvy 

d. Obesity 


Answer- Obesity


Que- Bone deformities occur due to the excess intake of 

a. Phosphorus 

b. Potassium 

c. Fatty acid 

d. Fluorine 


Answer- Fluorine


Que- Cellulose is a 

a. Mineral 

b. Protein 

c. Fat 

d. Carbohydrate 


Answer- Carbohydrate


Que- Deficiency of 'Thiamine' 

a. Beri-Beri 

b. Pellagra 

c. Anaemia 

d. Rickets 


Answer- Beri-Beri


Que- Kwashiorkor disease in children is caused by 

a. Sufficient carbohydrates but less fats in diet 

b. Sufficient carbohydrates and fats but deficient proteins in diet 

c. Sufficient vitamins but deficient fats in diet 

d. Sufficient fats but deficient vitamins in diet 


Answer- Sufficient carbohydrates and fats but deficient proteins in diet


Que- Rate of transpiration can be measured by 

a. Ganong's potometer  

b. Auxanometer  

c. Respirometer  

d. Porometer  


Answer- Ganong's potometer 


Que- Pulse rate we get from 

a. Vein 

b. Artery 

c. Skin 

d. Nerve 


Answer- Artery


Que- Which of the following are involved directly in pulmonary circulation? 

a. Left ventricle, aorta, and inferior vena cava 

b. Right atrium, aorta, and left ventricle 

c. Superior vena cava, right atrium, and left ventricle 

d. Right ventricle, pulmonary artery, and left atrium 


Answer- Right ventricle, pulmonary artery, and left atrium


Que- Rh factor is discovered by 

a. Landsteiner 

b. Weiner 

c. Landsteiner and Weiner 

d. Leuen hook 


Answer- Landsteiner and Weiner


Que- Rh factor is related with 

a. Bear 

b. Monkey 

c. Man 

d. Cat 


Answer- Monkey


Que- What is the main purpose of white blood corpuscles? 

a. To carry nutrients 

b. To combat infection 

c. To carry oxygen 

d. To give strength 


Answer- To combat infection


Que- Organisms which synthesise their own food are called 

a. Autotrophs 

b. Heterotrophs 

c. Auxotrophs 

d. Saprotrophs 


Answer- Autotrophs


Que- Anaemia is caused because of deficiency of which of the following? 

a. Cobalt 

b. Iron 

c. Sodium 

d. Calcium 


Answer- Iron


Que- Which of the following is a good source of protein? 

a. Pea 

b. Pigeon Pea 

c. Black Gram 

d. Soyabean 


Answer- Soyabean


Que- Goitre is due to the deficiency of 

a. Calcium 

b. Zinc 

c. Selenium 

d. Iodine 


Answer- Iodine


Que- Biological complete proteins are found in 

a. Potato, Onion, Carrot 

b. Apple, Egg, Wheat 

c. Rice, Meat, Butter 

d. Meat, Milk, Egg 


Answer- Meat, Milk, Egg


Que- Red colour of blood is due to presence of 

a. Plasma 

b. Hemoglobin 

c. RBC 

d. WBC 


Answer- Hemoglobin


Que- Which one of the following parts of human brain is the regulating centre for swallowing and vomiting? 

a. Cerebellum 

b. Cerebrum 

c. Medulla oblongata 

d. Cortex 


Answer- Medulla oblongata

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