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+

Previous Post Next Post