Biology MCQ (Multiple Choice Questions) - SchoolingAxis

Biology MCQ (Multiple Choice Questions)

 Que- Compared to land, the open oceans 

a. Are rich in silica and iron 

b. Are nutrient-poor environments 

c. Contain unlimited nitrogen 

d. Are nutrient-rich environments 


Answer- Are nutrient-poor environments


Que- Study of effect of radiation on plant and animal is 

a. Pathology 

b. Etiology 

c. Radiobiology 

d. Cosmology 


Answer- Radiobiology


Que- Melvin calvin got Noble Prize for his studies on 

a. Light reaction 

b. Plant hormones 

c. Carbon fixation 

d. Photons 


Answer- Carbon fixation


Que- Kyoto Protocol is associated with 

a. Species conservation 

b. Climate change 

c. Wetland Conservation 

d. Medicinal plants 


Answer- Climate change


Que- The Mode of nutrition in which particulate food is devoured is  

a. Holozoic 

b. Holophytic 

c. Saprophytic 

d. Parasitic 


Answer- Holozoic


Que- They are organic compounds consisting of carbon ,hydrogen and oxygen present in all living organisms. 

a. Proteins 

b. Carbohydrates 

c. Fats 

d. Minerals 


Answer- Carbohydrates


Que- The energy released by 1 gram of glucose is 

a. 6 kcal 

b. 4 kcal 

c. 5 kcal 

d. 3kcal 


Answer- 4 kcal


Que- Among the given nutrients, milk is a poor source of 

a. Calcium 

b. Protein 

c. Carbohydrate 

d. Vitamin C 


Answer- Vitamin C


Que- Which nutrient has forms most of our body weight? 

a. Water 

b. Fats 

c. Carbohydrates 

d. Proteins 


Answer- Water


Que- Which parts of the heart receive blood from the lungs? 

a. Right ventricle 

b. Left atrium 

c. Left ventricle 

d. Right atrium 


Answer- Left atrium


Que- The universal donor belongs to blood group 

a. A 

b. B 

c. AB 

d. O 


Answer- O


Que- Person having blood group 'B' can donate the blood to person having blood group 

a. A and O 

b. B and O 

c. A and AB 

d. B and AB 


Answer- B and AB


Que- Scientist who discovered blood groups was 

a. Krebs 

b. Pavlov 

c. Karl Landsteiner 

d. Darwin 


Answer- Karl Landsteiner


Que- Where do arteries carry blood? 

a. Heart 

b. Lungs 

c. Tissues 

d. Brain 


Answer- Heart


Que- Kelps are obtained from 

a. Algae 

b. Marine algae 

c. Fresh water algae 

d. Lichens 


Answer- Marine algae


Que- Blue green algae possess chlorophlyll along with a pigment known as 

a. Chlorophy 

b. Phycobilin 

c. Haemoglobin 

d. None of the above 


Answer- Phycobilin


Que- A cell wall material present only in blue green algae and bacteria is  

a. Cellulose 

b. Glycogen 

c. Muramic acid 

d. Pectin 


Answer- Muramic acid


Que- Liver fluke is parasite in the liver of 

a. Sheep 

b. Goat 

c. Cattle 

d. All of the above 


Answer- All of the above


Que- Most bacteria reproduce by 

a. Budding 

b. Binary fission 

c. Fragmentation 

d. Mitosis 


Answer- Binary fission


Que- Volvox colonies are found in 

a. Freshwater ponds  

b. Salt lakes  

c. Seawater  

d. Spring  


Answer- Freshwater ponds 


Que- Which one of the following is not reserve food of fungi 

a. Glycogen  

b. Fat  

c. Starch  

d. Both A and B  


Answer- Starch 


Que- The nitrogen fixing bacteria present in the root nodules of leguminous plant is 

a. Salmonella  

b. Clostridium  

c. Rhizobium  

d. Pseudomonas  


Answer- Rhizobium 


Que- All of the following are true of neurons except that 

a. They conduct a nervous impulse 

b. They are a very specialized form of connective tissue 

c. Thay are separated from one another by synapses 

d. When mature, they lose ability to divide 


Answer- They are a very specialized form of connective tissue


Que- Synapse gap is present between which of the following? 

a. Two neurons 

b. Brain and Spinal Cord 

c. Two Kidneys 

d. None of these 


Answer- Two neurons


Que- In ________ cells the genetic material is without any nuclear membrane covering and is directly submerged in the cytoplasm. 

a. Virus 

b. Algae 

c. Bacteria 

d. Moss 


Answer- Bacteria


Que- Cyanobacteria are also known as 

a. Autotrophic bacteria 

b. Blue Green Algae 

c. Red Brown Algae 

d. None of the above 


Answer- Blue Green Algae


Que- Branch of biology which deals with the study processing and preservation of food is called 

a. Food technology 

b. Food biotechnology 

c. Food preservation 

d. None of these 


Answer- Food technology


Que- A viral species is a group of viruses that has 

a. Same ecological niche 

b. Same genetic information 

c. Both A & B 

d. None of the above 


Answer- Both A & B


Que- The litmus paper utilized in the chemical laboratories is made of : 

a. Fern 

b. Algae 

c. Lichen 

d. Fungi 


Answer- Lichen


Que- The bone Humerus is found in 

a. Thigh 

b. Upper arm 

c. Fore arm 

d. Leg 


Answer- Upper arm


Que- The bone tibia is found in 

a. Skull 

b. Leg 

c. Arm 

d. Mouth 


Answer- Leg


Que- Longest bone found in which part of human body? 

a. Vertebral column 

b. Thigh 

c. Rib cage 

d. Arm 


Answer- Thigh


Que- Which one is the longest bone in human body 

a. Tibia  

b. Fibula  

c. Radius  

d. Femur  


Answer- Femur 


Que- What Is The Study Of Cells Called 

a. Cellogysm 

b. Cytology 

c. Cell Biology 

d. Both B & C 


Answer- Both B & C


Que- Closely stacked flattened sacs (plants only) 

a. Vacuoles 

b. Lysosomes 

c. Golgi apparatus 

d. None of the above 


Answer- Golgi apparatus


Que- Which one among the following cell organelles is semi-permeable ? 

a. Cell membrane 

b. Plasma membrane 

c. Cell wall 

d. Nucleus 


Answer- Nucleus


Que- Any foreign object that gains entry into the cell is immediately engulfed by the ________ and is completely broken into simple digestible pieces. 

a. R.B.Cs 

b. Platelets 

c. Haemoglobin 

d. Lysosomes 


Answer- Lysosomes


Que- The function of nucleolus is the synthesis of 

a. DNA 

b. M-RNA 

c. R-RNA 

d. T-RNA 


Answer- R-RNA


Que- Which of the following is a fresh water sponge ? 

a. Sycon 

b. Euspongia 

c. Spongilla 

d. Pleurobrachia 


Answer- Spongilla


Que- The kingdom Protista is primarily made up of organisms that are 

a. Eukaryotic and multicellular 

b. Prokaryotic and multicellular 

c. Prokaryotic and single-celled 

d. Eukaryotic and single-celled 


Answer- Eukaryotic and single-celled


Que- Marsupial Kangaroo is 

a. Viviparous 

b. Oviparous 

c. Ovoviviparous 

d. A distinct category 


Answer- Viviparous


Que- Which one of the following has a bilateral symmetry in its body organization? 

a. Asterias 

b. Sea anemone 

c. Nereis 

d. Euchinus 


Answer- Asterias


Que- Branch of biology which deals with the study of identification, nomenculture and classification of organism is 

a. Exobiology 

b. Ecology 

c. Taxonomy 

d. Toxicology 


Answer- Taxonomy


Que- Every ecosystem must have 

a. Autotrophs 

b. Heterotrophs 

c. Both A & B 

d. Photosynthesizers 


Answer- Autotrophs


Que- Silviculture is the branch of botany in which we study about 

a. Culture of algae 

b. Development of forest 

c. Culture of fungi 

d. Silciphida plant 


Answer- Development of forest


Que- Which of the following is an Autotroph? 

a. Fish 

b. Algae 

c. Butterfly 

d. Mushroom 


Answer- Algae


Que- The energy in most ecosystems comes from 

a. Water 

b. Carbon dioxide 

c. Sun 

d. Soil 


Answer- Sun


Que- Study of typical behaviour of organisms in their natural habitat is called 

a. Euthenics 

b. Eugenics 

c. Ethology 

d. Ethnology 


Answer- Ethology


Que- Which is a homologous chromosome pair? 

a. Tetrad 

b. Gamate 

c. Chromatid 

d. Zygote 


Answer- Tetrad


Que- A multicellular organism grows by ________ . 

a. Cell addition 

b. Cell explosion 

c. Cell implosion 

d. Cell division 


Answer- Cell division


Que- At anaphase stage of mitosis in plant cells,interzonal of the spinldle fibres gets transformed into  

a. Equatorial plate 

b. Nucleoplast 

c. Phragmoplast 

d. Chloroplast 


Answer- Phragmoplast


Que- During which stage of mitosis does cytokinesis usually occur in animals ? 

a. Prophase 

b. Metaphase 

c. Anaphase 

d. Telophase 


Answer- Telophase


Que- It is an oxygen carrying protein of red colour concentrated in red blood cells. 

a. Insulin 

b. Haemoglobin 

c. Gastrin 

d. Actin 


Answer- Haemoglobin


Que- Which blood group is a universal recipient? 

a. A 

b. B 

c. AB 

d. O 


Answer- AB


Que- The largest artery in human body is 

a. Aorta 

b. Capillary 

c. Vena cava 

d. Pulmonary vein 


Answer- Aorta


Que- Number of chamber found in human heart is 

a. 2 

b. 3 

c. 4 

d. 5 


Answer- 4


Que- Blood pressure is the pressure exerted on the wall of 

a. Heart 

b. Vein 

c. Artery 

d. Cell 


Answer- Artery


Que- Mitochondria are also known as 

a. Store house of the cell 

b. Power house of the cell 

c. Factory of protein synthesis 

d. Factory of ribosomes synthesis 


Answer- Power house of the cell


Que- Which is the basic structural as well as functional unit for all organisms? 

a. Tissue 

b. Cell 

c. Gland 

d. Atom 


Answer- Cell


Que- Which organelle are involved in the manufacture and supply of energy to the cell? 

a. Ribosomes 

b. Mitochondria 

c. Golgi Bodies 

d. Vacuoles 


Answer- Mitochondria


Que- Which statement is one component of the cell theory? 

a. DNA is the basis of genetic transfer 

b. All living cells arise from pre-existing cells 

c. All cells are composed of same organelles 

d. Tissues are formed from combinations of cells 


Answer- All living cells arise from pre-existing cells


Que- Do plant cells have Mitochondria? 

a. Yes 

b. No 

c. Can't be determined 

d. None 


Answer- Yes


Que- Study of process of ageing 

a. Genocology 

b. Geronotology 

c. Ontogeny 

d. None of these 


Answer- Geronotology


Que- Sweating is important 

a. For improvement of normal health 

b. To open the pore of skin 

c. To control the temperature of body 

d. To excret the smell of body 


Answer- To control the temperature of body


Que- The outermost layer of skin is 

a. Epidermis 

b. Dermis 

c. Tissues 

d. Hypodermis 


Answer- Epidermis


Que- Homeostasis is the condition in which the body maintains 

a. A relatively stable internal environment within limits 

b. A changing state within an unlimited range 

c. The lowest possible energy usage 

d. A static state with no deviation from preset points 


Answer- A relatively stable internal environment within limits


Que- The normal temperature of human body on the Kelvin scale is 

a. 280K 

b. 290K 

c. 300K 

d. 310K 


Answer- 310K


Que- Lichens are the best indicator of 

a. Air pollution  

b. Water pollution  

c. Soil pollution  

d. Noise pollution  


Answer- Air pollution 


Que- Which one of the following processes takes place in lakes during eutrophication? 

a. Rapid destruction of algal growth 

b. Excessive availability of dissolved oxygen 

c. Loss of dissolved nutrients from water 

d. Excessive entry of nutrient into water 


Answer- Excessive entry of nutrient into water


Que- Which organelles supply energy to the cell? 

a. Mitochondria 

b. Cytoplasm 

c. Ribosomes 

d. None of the above 


Answer- Mitochondria


Que- Who of the following is known as the Father of Biology? 

a. Darwin 

b. Lamarck 

c. Aristotle 

d. Theophrastus 


Answer- Aristotle


Que- Name the part of neuron where information is acquired. 

a. Axon 

b. Nucleus 

c. Dendrite 

d. None of the above 


Answer- Dendrite


Que- The basic unit of the nervous system is the 

a. Lymphs 

b. Nephrons 

c. Nerves 

d. Neurons 


Answer- Neurons


Que- The weight of the brain in the total weight of the body is about 

a. 2% 

b. 3% 

c. 4% 

d. 5% 


Answer- 2%


Que- Cerebrum is located in part of brain in/ot 

a. Lower side 

b. Extension of brain 

c. Fore front 

d. None of these 


Answer- Fore front


Que- The smallest structural and functional unit of nervous system is 

a. Centron 

b. Dendron 

c. Axon 

d. Neuron 


Answer- Neuron


Que- When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be 

a. Hypertonic 

b. Isotonic 

c. Hypotonic 

d. None of these 


Answer- Hypotonic


Que- Water molecules enter plant epidermal cells by 

a. Active Transport  

b. Translocation  

c. Osmosis  

d. None of the above  


Answer- Osmosis 


Que- Root pressure is developed in 

a. Cortex  

b. Phloem  

c. Xylem  

d. Pith  


Answer- Xylem 


Que- What process accounts for species diversity? 

a. Predation 

b. Mitosis 

c. Symbiosis 

d. Meiosis 


Answer- Meiosis


Que- Where are chromatids found in a cell? 

a. Anaphase 

b. Metaphase 

c. Prophase 

d. None of the above 


Answer- Metaphase


Que- Octopus belongs to the phylum 

a. Mollusca 

b. Cnidaria 

c. Echinodermata 

d. Chordata 


Answer- Mollusca


Que- Octopus is 

a. An arthropod 

b. An echionoderm 

c. A hemichordate 

d. A molluscs 


Answer- A molluscs


Que- In coelentrates mesderm give rise to 

a. Digestive System 

b. Neverous System 

c. Circulatory System 

d. Lining of the gut 


Answer- Circulatory System


Que- It is the study of internal organs of organisms. 

a. Anatomy 

b. Physiology 

c. Morphology 

d. Cell Biology 


Answer- Anatomy


Que- Their cells have a very well defined nucleus ,in which nuclear material (chromosomes or DNA)is enclosed in double nuclear membrane. 

a. Prokaryotes 

b. Bacterial 

c. Viral 

d. Eukaryotes 


Answer- Eukaryotes


Que- Nitrogenous Food is 

a. Proteins 

b. Carbohydrates 

c. Salts 

d. Lipids 


Answer- Proteins


Que- Which of the following crops would be preffered for sowing in order to enrich the soil with nitrogen? 

a. Wheat 

b. Mustard 

c. Sunflower 

d. Gram 


Answer- Gram


Que- The temperature danger zone for food is 

a. 5 - 63 deg 

b. Above 45 deg 

c. Below 15 deg 

d. None of the above 


Answer- 5 - 63 deg


Que- A living part of the organisms environment is known as 

a. Abiotic Factor 

b. Habitat 

c. Biotic Factor 

d. Non­living factor 


Answer- Biotic Factor


Que- Secondary consumers are eaten by larger 

a. Fast animal 

b. Animal in the third trophic level 

c. Herbivorous animal 

d. Predator 


Answer- Predator


Que- Some of the conifers in our northern areas include  

a. Pines 

b. Abies 

c. Cedrus 

d. All of the above 


Answer- All of the above


Que- Which of these plants grow in an environment that is neither very wet nor very dry? 

a. Mesophytes 

b. Sporophyte 

c. Saprophytes 

d. Tracheophytes 


Answer- Mesophytes


Que- Which statement describes decomposers? 

a. Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems 

b. Decomposers can produce their own source of energy and can sometimes act as primary producers 

c. Decomposers are those organisms that recycle matter in the ecosystem 

d. All the above 


Answer- Decomposers are those organisms that recycle matter in the ecosystem


Que- Enzyme secreted by stomach digests the food but stomach is not digested by this digestive juice because 

a. Wall of stomach is lined with mucus 

b. This is made up of hard cells 

c. It is made up of steel 

d. None of the above 


Answer- Wall of stomach is lined with mucus


Que- Where does most digestion take place? 

a. Stomach 

b. Large intestine 

c. Small intestine 

d. Mouth 


Answer- Small intestine


Que- Both food and air travel through the 

a. Pharynx 

b. Trachea 

c. Larynx 

d. Alveolus 


Answer- Pharynx


Que- The enzyme which take part in digestion of milk protein is 

a. Pepsin 

b. Trypsin 

c. Rennin 

d. Eripsin 


Answer- Rennin


Que- Total Number of bone found in child 

a. 200 

b. 206 

c. 300 

d. 306 


Answer- 300


Que- A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion 

a. O, Rh- 

b. O, Rh+ 

c. AB, Rh- 

d. AB, Rh+ 


Answer- O, Rh+

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