Biology MCQ (Multiple Choice Questions) - SchoolingAxis

Biology MCQ (Multiple Choice Questions)

 Que- Bean shaped cells in plants are_________? 

a. mesophyll cells  

b. xylem cells  

c. phloem cells  

d. guard cells 


Answer- guard cells


Que- Villi and microvilli increase__________? 

a. digestion  

b. assimilation  

c. absorption  

d. ingestion 


Answer- absorption


Que- Water potential of pure water is__________? 

a. zero  

b. one  

c. negative  

d. two 


Answer- zero


Que- The respiratory problem most common in smokers is_________? 

a. tuberculosis  

b. emphysema  

c. asthma  

d. cancer 


Answer- emphysema


Que- Parabronchi are present in__________? 

a. cockroach  

b. frog  

c. fish  

d. birds 


Answer- birds


Que- The utilization of the products of digestion is called___________? 

a. ingestion  

b. absorption  

c. assimilation  

d. both a and b 


Answer- assimilation


Que- Kangaroo has an abdominal pouch known as__________? 

a. placenta  

b. guttural pouch  

c. marsupial  

d. all of these 


Answer- marsupial


Que- Earthworm lives in___________? 

a. sea water  

b. moist soil  

c. fresh water  

d. none of these 


Answer- moist soil


Que- Sickle cell anemia was discovered by_________? 

a. Vernon Ingram  

b. Sanger  

c. Miescher  

d. none of these 


Answer- Vernon Ingram


Que- Rich source of energy in seimen is__________? 

a. glucose  

b. fructose  

c. lactose  

d. sacrose 


Answer- glucose


Que- The foetus is protected from the mechanical damage by the__________? 

a. cervix  

b. vagina  

c. uterus  

d. amniotic fluid 


Answer- amniotic fluid


Que- Release of the ovum from ovary is called__________? 

a. fertilization  

b. ovulation  

c. implantation  

d. none of these 


Answer- ovulation


Que- Detachment of myosin head and actin in rigor mortis occurs due to__________? 

a. stored ATP in body  

b. hypercalcemia  

c. autolysis in body  

d. hyperactivity of mitochondria 


Answer- hyperactivity of mitochondria


Que- Which bone is called beauty bone in women? 

a. sternum  

b. clavicle  

c. maxilla  

d. radius 


Answer- clavicle


Que- The plants which produce embryo but lack vascular tissues and seeds are placed in_________? 

a. bryophytes  

b. pteridophytes  

c. tracheophytes  

d. all of these 


Answer- bryophytes


Que- Higher vascular plants are also called__________? 

a. flowering plants  

b. seed plants  

c. ferns  

d. none of these 


Answer- seed plants


Que- In all coelentrates endoderm give rise to__________? 

a. nervous system  

b. digestive system  

c. reproductive system  

d. circulatory system 


Answer- digestive system


Que- Liver fluke is parasite in the liver of__________? 

a. cattle  

b. sheep  

c. goat  

d. all of these 


Answer- all of these


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

a. tube feet  

b. cilia  

c. pseudopodia  

d. flagella 


Answer- pseudopodia


Que- Snails belong to_________? 

a. gastropods  

b. bivalves  

c. arthropods  

d. platyhelminthes 


Answer- gastropods


Que- In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen? 

a. echinodermata  

b. mollusca  

c. nematoda  

d. arthropoda 


Answer- arthropoda


Que- In human beings influenza is caused by_________? 

a. bacteria  

b. protist  

c. virus  

d. fungi 


Answer- virus


Que- Non-enveloped naked viruses are known as___________? 

a. prions  

b. bacteriophages  

c. oncoviruses  

d. virions 


Answer- virions


Que- Gram +ve bacteria on treatment with crystal violet dye give _________colour? 

a. red  

b. green  

c. purple  

d. pink 


Answer- purple


Que- Malarial parasite is injected into man as__________? 

a. sporozoites  

b. merozoites  

c. zygote  

d. none of these 


Answer- sporozoites


Que- The terms procariotique and eucariotique were proposed by___________? 

a. Whittaker  

b. Chatton  

c. Haeckel  

d. Margulis and Schwartz 


Answer- Chatton


Que- The most common type of asexual reproduction in the fungi is__________? 

a. fragmentation  

b. spore production  

c. budding  

d. binary fission 


Answer- spore production


Que- Outside the thallus of Marchantia there are special structures called__________? 

a. stem tuber  

b. rhizoids  

c. sporangium  

d. none of these 


Answer- rhizoids


Que- The vascular plants are termed as____________? 

a. tracheophytes  

b. bryophytes  

c. pteridophytes  

d. all of these 


Answer- tracheophytes


Que- Tobacco mosaic virus was crystallized by__________? 

a. Pasteur  

b. Chamberland  

c. Stanely  

d. Ivanowski 


Answer- Stanely


Que- Flagella are composed of________? 

a. micro tubules  

b. micro filaments  

c. intermediate filaments  

d. glycoproteins 


Answer- micro tubules


Que- The life and activities of a cell is controlled by__________? 

a. cytoplasm  

b. nucleus  

c. vacuole  

d. mitochondria 


Answer- nucleus


Que- Accumulation of lipid molecules in brain cells lead to____________? 

a. paralysis  

b. oedema  

c. mental retardation  

d. all of these 


Answer- mental retardation


Que- Accumulation of lipid molecules in brain cells lead to__________? 

a. paralysis  

b. oedema  

c. mental retardation  

d. all of these 


Answer- mental retardation


Que- The simplest amino acid is_________? 

a. alanine  

b. glycine  

c. valine  

d. phenylalanine 


Answer- glycine


Que- They are present in the underground parts of the plants and stored food? 

a. leucoplast  

b. chromoplast  

c. chloroplast  

d. stem 


Answer- leucoplast


Que- They are widespread as protective coatings on fruits and leaves? 

a. cholesterol  

b. waxes  

c. chitin  

d. all of these 


Answer- waxes


Que- It is very serious disease of brain which is caused by fungi________? 

a. ring worm  

b. meningitis  

c. hepatitis  

d. none of these 


Answer- meningitis


Que- Many bacteria in our digestive system synthesize vitamins for example vitamin_________? 

a. B1  

b. B2  

c. B12  

d. B6 


Answer- B12


Que- Which is not a vertebrate ? 

a. Reptiles  

b. Fish  

c. Insect  

d. None of these 


Answer- Insect


Que- Which of the following is the less important organ in human body? 

a. Hair  

b. Appendix  

c. Hip bone  

d. Navel 


Answer- Appendix


Que- Who is the father of Genetics? 

a. Robert Hook  

b. Robert Brown  

c. Gregor Mendel  

d. Charless Darwin 


Answer- Gregor Mendel


Que- which of the following hepatitis is more contagious ? 

a. HAV  

b. HBV  

c. HCV  

d. HDV 


Answer- HCV


Que- Which branch of science is short in laws ? 

a. Biology  

b. Physics  

c. Chemistry  

d. All of these 


Answer- Biology


Que- A condition in which there is a decrease of oxygen to the tissue despite adequate blood flow to the tissue is_________? 

a. Aphasia  

b. Dysphasia  

c. Hypoxia  

d. None 


Answer- Hypoxia


Que- Insulin is a human__________? 

a. Gene  

b. Protein  

c. Glucose  

d. Diabetes 


Answer- Protein


Que- Amoeba secretes digestive enzymes to hydrolyse _________ ? 

a. Starch  

b. Sugar  

c. Proteins  

d. All of these and fats 


Answer- All of these and fats


Que- The number of daughter paramecia produced following conjugation is _______ ? 

a. 8 from one conjugant  

b. 8 from two conjugants  

c. 16 from two conjugants  

d. 8-16 from two conjugants 


Answer- 8 from two conjugants


Que- Corolla and calyx collectively termed as___________? 

a. Prienth  

b. Hermaphrodite  

c. Complete flower  

d. Sexual whorls 


Answer- Hermaphrodite


Que- Sporogony of malaria parasite occurs in _______ ? 

a. Liver of man  

b. RBC of man  

c. Stomach wall of mosquito  

d. Salivary glands of mosquito 


Answer- Stomach wall of mosquito


Que- Under unfavourable conditions, the Amoeba reproduces by ________ ? 

a. Binary fission  

b. Conjugation  

c. Encystment  

d. Endomixis 


Answer- Encystment


Que- Mild tertian malaria is caused by _______ ? 

a. Plasmodium vivax  

b. Plasmodium falciparum  

c. Plasmodium ovale  

d. Plasmodium malariae 


Answer- Plasmodium vivax


Que- Blood does not coagulate inside the body due to the presence of___________? 

a. Haemoglobin  

b. Fibrin  

c. Heparin  

d. Plasma 


Answer- Heparin


Que- Accurate name given to blood is ___________ ? 

a. Red fluid  

b. Hemoglobin  

c. Fluid tissue  

d. Plasma 


Answer- Fluid tissue


Que- Sweat glands occur in greatest number in the skin of the__________? 

a. Forehead  

b. Back  

c. Armpits  

d. Palm of hand 


Answer- Armpits


Que- Protein which acts as hormone is__________? 

a. Casein  

b. Trypsin  

c. Oxytocin  

d. Keratin 


Answer- Oxytocin


Que- Which one of the following vitamin is known as the “anti- Sterile” factor? 

a. Ascorbic acid  

b. Retinol  

c. Riboflavin  

d. a-tocopherols 


Answer- Ascorbic acid


Que- Which of the following vitamins is useful in ostcoimalacia? 

a. Vitamin D  

b. Vitamin E  

c. Vitamin C  

d. Vitamin A 


Answer- Vitamin D


Que- Human body makes about 20 million erythrocytes in__________? 

a. One Second  

b. Two Seconds  

c. Three Seconds  

d. Four Seconds 


Answer- One Second


Que- Ingestion of bacteria by certain type of cells is termed as ________ ? 

a. Acclimatization  

b. Agglutination  

c. Paralysis  

d. Phagocytosis 


Answer- Phagocytosis


Que- The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Women. 

a. 4.5 to 6.2 million  

b. 3.4 to 6.8 million  

c. 3.2 to 7.2 million  

d. 4.0 to 5.2 million 


Answer- 4.0 to 5.2 million


Que- The normal range of the number of white blood cells in a microliter of blood is between _________ ? 

a. 2,500 and 09,300  

b. 4,500 and 10,000  

c. 4,900 and 12,000  

d. None of these 


Answer- 4,500 and 10,000


Que- The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Men. 

a. 4.5 to 6.2 million  

b. 3.4 to 6.8 million  

c. 3.2 to 7.2 million  

d. 4.0 to 5.2 million 


Answer- 4.5 to 6.2 million


Que- Parkinson is a disease of_________? 

a. Lungs  

b. Eyes  

c. Brain  

d. Bones 


Answer- Brain


Que- Acetabularia is a kind of __________ ? 

a. Fungi  

b. Protist  

c. Multicellular alga  

d. Unicellular alga 


Answer- Unicellular alga


Que- Acetabularia mediterranea has a cap of _________ ? 

a. Regular shape  

b. Circular shape  

c. Triangular shape  

d. Cone shape 


Answer- Regular shape


Que- What is hibernation and aestivation________? 

a. Thermal adaptation shown by animals  

b.  wind adaptation shown by animals  

c.  adaptation of animals to escape from predators  

d. none of the above 


Answer- Thermal adaptation shown by animals


Que- Enzyme activity can also be charted through the __________ ? 

a. Rate of digestion  

b. Rate of reaction  

c. Level of pH  

d. Number of active sites 


Answer- Rate of reaction


Que- BOD refers to the __________? 

a. Bidding of Dermatology  

b. Binding of Dirt  

c. Biochemical occupied Date  

d. Biochemical Oxygen demand 


Answer- Biochemical Oxygen demand


Que- Self pollination is not possible in ________ ? 

a. Dioecious plants  

b. Pawpaw  

c. Flowers  

d. both A and B  


Answer- both A and B 


Que- “lub” sound is produced after _________ ? 

a. The ventricles are fully contracted  

b. The ventricles start to relax  

c. The bicuspid and tricuspid valves suddenly close  

d. The semilunar valves are closed 


Answer- The bicuspid and tricuspid valves suddenly close


Que- Examples of Epigeal germination include _________ ? 

a. Maize  

b. Sword bean seed  

c. Broad bean seed  

d. Corn 


Answer- Sword bean seed


Que- All are functions of hypothalamus, but, _________ ? 

a. Regulation of body temperature  

b. Regulation of anti-diuretic hormones  

c. Regulation of sleep and emotions  

d. Regulation of blood osmotic pressure 


Answer- Regulation of anti-diuretic hormones


Que- More water is reabsorbed in blood due to _________ ? 

a. More anti-diuretic hormone  

b. Lesser anti-diuretic hormone  

c. Active functioning of pancreas  

d. Inactivity of pituitary gland 


Answer- More anti-diuretic hormone


Que- Sessile flowers have _________ ? 

a. No scent  

b. Irregular shape  

c. No pedicles  

d. No petals 


Answer- No pedicles


Que- Stamens are not usually pendulous in plants pollinated by __________ ? 

a. Wind  

b. Insects  

c. Water  

d. Rain 


Answer- Insects


Que- Guard cells of stoma are ________ ? 

a. Irregular in shape  

b. Convex in shape  

c. Long and cylindrical in shape  

d. Kidney-shaped 


Answer- Kidney-shaped


Que- Special kind of protein containing iron is called as _________ ? 

a. Hormones  

b. Hemoglobin  

c. Red blood cell  

d. White blood cell 


Answer- Hemoglobin


Que- Zygote with three copies chromosome 21, is known to cause _________? 

a. Hay fever  

b. Scurvy  

c. Parkinson Disease  

d. Downs syndrome 


Answer- Downs syndrome


Que- Kind of respiration through which skeletal muscles of human body gets the energy is ________ ? 

a. Acidic respiration  

b. Anaerobic respiration  

c. Aerobic respiration  

d. Nitrogenous respiration 


Answer- Anaerobic respiration


Que- Fuel used by cells in cellular respiration to get energy is ________ ? 

a. polysaccharides  

b. Polypeptides  

c. Glucose  

d. Sugar 


Answer- Glucose


Que- Kind of cellular respiration which occurs in presence of oxygen is _________ ? 

a. Anaerobic respiration  

b. Aerobic respiration  

c. Nitrogenous respiration  

d. Acidic respiration 


Answer- Anaerobic respiration


Que- Special enzymes are released during necrosis from __________ ? 

a. lysosomes  

b. Vacuoles  

c. Cytoplasm  

d. Golgi bodies 


Answer- lysosomes


Que- Number of cells that are destroyed in adults by apoptosis are ________ ? 

a. 20 to 35 billion cells  

b. 50 to 70 billion cells  

c. 10 to 20 billion cells  

d. 15 to 25 billion cells 


Answer- 50 to 70 billion cells


Que- Biebs that are broke off from cell are called __________? 

a. Apoptotic bodies  

b. Necrosis bodies  

c. Tuberculosis bodies  

d. Cytokinetic bodies 


Answer- Apoptotic bodies


Que- Crysanthemum is propagated by___________? 

a. Suckers  

b. corms  

c. corals  

d. None 


Answer- Suckers


Que- Outer surface of bones is covered by a dense layer of connective tissue, called as ___________ ? 

a. Periosteum  

b. Woven bone  

c. Epithelium lining  

d. Connective lining 


Answer- Periosteum


Que- Another name for liver is called ___________ ? 

a. Hepar  

b. Hepta  

c. Heptum  

d. Hilum 


Answer- Hepar


Que- Joints between flat bones of skull are termed as ____________ ? 

a. Suture  

b. Sutural joints  

c. Syndesmosis  

d. Both A and B 


Answer- Both A and B


Que- Length of membranous urethra is about ___________ ? 

a. 1 cm  

b. 2 cm  

c. 5 cm  

d. 9 cm 


Answer- 1 cm


Que- Division of nucleus is termed as___________ ? 

a. Karyokinesis  

b. Cytokinesis  

c. Anaphase  

d. Meiosis 


Answer- Karyokinesis


Que- Membrane that separates 'cytoplasm' and 'nucleus' is called ___________ ? 

a. Cell wall  

b. Cell membrane  

c. Boundary  

d. Nuclear envelop 


Answer- Nuclear envelop


Que- All chromosomes other than 'sex' chromosome are called __________ ? 

a. Autosomes  

b. Acentric chromosomes  

c. Metacentric Chromosomes  

d. Telocentric chromosomes 


Answer- Autosomes


Que- Which one of the following is referred as the species occupation? 

a. Autecology  

b. Niche  

c. Ecosystem  

d. Biome 


Answer- Niche


Que- The first ever vascular plants are_________? 

a. Cooksonia   

b. Selaginella  

c. Adiantum  

d. Dryopteris 


Answer- Cooksonia 


Que- Circular disc shaped structure with a round hole is ___________ ? 

a. Iris  

b. Pupil  

c. Horoid coat  

d. Ciliary body 


Answer- Iris


Que- The higher animals have special organs for exchange of gases as their skin is ___________ ? 

a. Thin  

b. Thick  

c. Soft  

d. Hard 


Answer- Thick


Que- Dorsal root of spinal nerves contain only __________ ? 

a.  Effectors neurons  

b. Receptor neurons  

c. Stimulators  

d. Detector neurons 


Answer- Receptor neurons


Que- Study of interaction of living organisms with other organisms and their environment relates with ___________ ? 

a.  Botany  

b. Ecology  

c. Social biology  

d. Pharmacology 


Answer- Ecology


Que- __________is a condition in which there is an absence of oxygen supply to an organ's tissues? 

a. Anoxia  

b. Anorexia  

c. Hypoxia  

d. Enuresis 


Answer- Anoxia

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