Biology MCQ (Multiple Choice Questions) - SchoolingAxis

Biology MCQ (Multiple Choice Questions)

 Que- By complete oxidation of glucose number of ATP molecule formed is 

a. 2 

b. 28 

c. 38 

d. 48 

Answer- 38

Que- Haemoglobin is an important component of 

a. RBC 

b. WBC 

c. Platletes 

d. Cytoplasm 

Answer- RBC

Que- Hemoglobin, the oxygen carrying substance in red blood cells, is a  

a. Nuclei acid 

b. Carbohydrates 

c. Fats 

d. Proteins 

Answer- Proteins

Que- What carries blood back to the heart? 

a. Veins 

b. Arteries 

c. Both A & B 

d. None 

Answer- Veins

Que- The smallest blood vessels which are one-cell thick, are called ________  

a. Vena cava 

b. Arteries 

c. Veins 

d. Capillaries 

Answer- Capillaries

Que- Name the blood cells in which nucleus is absent. 

a. Lymphocytes 

b. Blood Platelets 

c. Monocytes 

d. Eosinophils 

Answer- Blood Platelets

Que- The scientific study of livings is called 

a. Zoology 

b. Anotomy 

c. Ecology 

d. Biology 

Answer- Biology

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

a. Leucoplasts 

b. Chromoplasts 

c. Chloroplasts 

d. Lysosomes 

Answer- Leucoplasts

Que- Which of the following groups is present in animal cells ? 

a. Mitochondria, Cell membrane, Cell wall, Cytoplasm 

b. Chloroplasts, Cytoplasm, Vacuole, Nucleus 

c. Nucleus, Cell membrane, Mitochondria, Cytoplasm 

d. Vacuole, Cell membrane, Nucleus, Mitochondria 

Answer- Nucleus, Cell membrane, Mitochondria, Cytoplasm

Que- What is the full form of DNA? 

a. Diribo nucleic acid 

b. Di nucleic acid 

c. Dual nitrogen acid 

d. Deoxyribonucleic acid 

Answer- Deoxyribonucleic acid

Que- What is the full form of RNA? 

a. Ribonucleic Acid 

b. Ribonitric Acid 

c. Ribonutrient Acid 

d. Reverse Nucleic Acid 

Answer- Ribonucleic Acid

Que- The stages between larval moults in an insect are called 

a. Pupal  

b. Instars  

c. Grubs  

d. Caterpillars  

Answer- Instars 

Que- In which of the following stages of silkworm, silk is secreted 

a. Larva  

b. Pupa  

c. Egg  

d. Adult  

Answer- Pupa 

Que- Which is the longest bone in the human body? 

a. Fibula 

b. Radius 

c. Stapes 

d. Femur 

Answer- Femur

Que- The bone of the which organ is the longest in the human body ? 

a. Spinal cord 

b. Thigh 

c. Rib cage 

d. Ankle-bone 

Answer- Thigh

Que- Treatment of body defects through massage and exercise is 

a. Phylogeny 

b. Parasitology 

c. Physiotherapy 

d. Physiology 

Answer- Physiotherapy

Que- The bacterium which reduces the fertility of soil is  

a. Nitrosomonas sp 

b. Azotobacter sp 

c. Nitrobacter sp 

d. Bacillus dentificans 

Answer- Bacillus dentificans

Que- There are used in the retting of flax and hemp. 

a. Viruses 

b. Bacteria 

c. Fungi 

d. Mosses 

Answer- Bacteria

Que- Which of the following bacteria is responsible for the formation of curd? 

a. Lycopodium 

b. Yeast 

c. Lacto-bacillus 

d. Fungus 

Answer- Lacto-bacillus

Que- Yeast used in making bread is a 

a. Fungus 

b. Bacteria 

c. Seed 

d. Plant 

Answer- Fungus

Que- Nitrogen fixation process in the soil is done by 

a. Virus  

b. Bacteria  

c. Fungi  

d. Protoza  

Answer- Bacteria 

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

a. Algae 

b. Fungi 

c. Bacteria 

d. Virus 

Answer- Fungi

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

a. Algae 

b. Fungi 

c. Bacteria 

d. Virus 

Answer- Fungi

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

a. Algae 

b. Fungi 

c. Ecology 

d. Virus 

Answer- Algae

Que- The DNA bacterium consists of ring-like pieces known as the 

a. Plasmids 

b. Genes 

c. Chromosomes 

d. Mesosomes 

Answer- Plasmids

Que- It is commonly found in the bottom tidal pools? 

a. Spirogyra 

b. Ulva 

c. Stiogeoclonium 

d. Chlamydomonas 

Answer- Ulva

Que- The audible sounds that heart are made by the closing of the 

a. Arteries  

b. Veins  

c. Valve  

d. Ventricle  

Answer- Valve 

Que- Which one is the largest artery in the human body 

a. Radial Artery  

b. Ulnar Artery  

c. Aorta  

d. Arterioles  

Answer- Aorta 

Que- Which veins donot carry de-oxygenated blood 

a. Portal Veins  

b. Hepatic Veins  

c. Subclavian Veins  

d. Pulmonary Veins  

Answer- Portal Veins 

Que- Muscular wall of the heart is externally covered by 

a. Epithelium  

b. Endothelium  

c. Epicardium  

d. Myocardium  

Answer- Epicardium 

Que- The deposition of cholesterol on the walls of blood vessels causes the arteries to lose their elasticity and get stiffened is called 

a. Hypotension  

b. Hypertension  

c. Systolic Pressure  

d. Arteriosclerosis  

Answer- Arteriosclerosis 

Que- Pituitary gland is situated in 

a. Brain 

b. Throat 

c. Kidney 

d. Pancrease 

Answer- Brain

Que- The gland that is present close to Trachea 

a. Pancreas 

b. Liver 

c. Adrenal 

d. Thyroid 

Answer- Thyroid

Que- Study of ductless gland is called 

a. Embrayology 

b. Endocrinology 

c. Ecology 

d. Euthenics 

Answer- Endocrinology

Que- Cretinism is due to the disorder of the glands 

a. Thymus 

b. Parathyroid 

c. Thyroid 

d. Adrenal 

Answer- Thyroid

Que- Pancreas secretes 

a. Insulin  

b. Glucagon  

c. Pancreatic juice  

d. All of the above  

Answer- All of the above 

Que- In a healthy person rate of heart beat on one minute is 

a. 58 times 

b. 67 times 

c. 72 times 

d. 90 times 

Answer- 72 times

Que- The word histology is related with 

a. Hepatology 

b. Hematalogy 

c. Histology 

d. None of these 

Answer- Hematalogy

Que- Which one of the following statements regarding haemoglobin is correct? 

a. Haemoglobin present in RBC can carry only oxygen but not carbon dioxide 

b. Haemoglobin of RBC can carry both oxygen and carbon dioxide 

c. Haemoglobin of RBC can carry only carbon dioxide 

d. Haemoglobin is only used for blood clotting and not for carrying gases 

Answer- Haemoglobin of RBC can carry both oxygen and carbon dioxide

Que- The vitamin required for coagulation of blood 

a. B6 

b. C 

c. K 

d. B 

Answer- K

Que- What type of tissue is Blood 

a. Epithelial  

b. Cardiac  

c. Connective  

d. Muscular  

Answer- Connective 

Que- The layer of cells between endodermis and vascular bundles is called 

a. Hypodermis  

b. Cortex  

c. Pith  

d. Pericycle  

Answer- Hypodermis 

Que- Gymnosperms are characterized by the 

a. Absence of seeds 

b. Presence of flowers 

c. Presence of seeds in cones 

d. Absence of vascular tissues 

Answer- Absence of seeds

Que- In a bisexual flower if androcium and gynoecium mature at different time the phenomeon is known as ________  

a. Dichogamy 

b. Herpogamy 

c. Haterogamy monogamy 

d. None of these 

Answer- Dichogamy

Que- The pollen grains of Pinus are carried to its female cone through the  

a. Pollen tube 

b. Wind 

c. Insects 

d. Animals 

Answer- Wind

Que- Grassland with scattered tree is known as 

a. Savanna  

b. Deciduous Forests  

c. Evergreen Forests  

d. Tropical Rain Forests  

Answer- Savanna 

Que- Dr. Birbal Sahni; a famous Indian botanist is concerned with ________ studies. 

a. Algal  

b. Fossil  

c. Bryophytic  

d. Fungal  

Answer- Fossil 

Que- Plants which grow on saline soils are known as 

a. Xerophytes  

b. Hydrophytes  

c. Halophytes  

d. Succulents  

Answer- Halophytes 

Que- Which of the following organisms fix nitrogen in aquatic ecosystems? 

a. Fungi  

b. Chemoautotrophs  

c. Cyanobacteria  

d. Phytoplankton  

Answer- Cyanobacteria 

Que- Which ecological pyramid can never be inverted 

a. Pyramid of number  

b. Pyramid of size  

c. Pyramid of energy  

d. Pyramid of biomass  

Answer- Pyramid of energy 

Que- Which one of the following hormones is essential for the uptake of glucose by cells in the human body? 

a. GH 

b. TSH 

c. Insulin 

d. Cortisol 

Answer- Insulin

Que- Goitre is caused by the deficiency of ________  

a. Zinc 

b. Calcium 

c. Iodine 

d. Chlorine 

Answer- Iodine

Que- Endocrine glands are also known as 

a. Micro gland 

b. Macro gland 

c. Ductless gland 

d. Acidic gland 

Answer- Ductless gland

Que- Enzymes are produced by 

a. Endocrine glands 

b. Exocrine glands 

c. Liver 

d. Spleen 

Answer- Exocrine glands

Que- Which one of following is a duct less gland 

a. Liver 

b. Sweat gland 

c. Endocrine gland 

d. Kidney 

Answer- Endocrine gland

Que- Branch of science which deal with the study of causative agent of disease is 

a. Ecology 

b. Etiology 

c. Eugenics 

d. Euthenics 

Answer- Etiology

Que- Select the correct statement about active and passive immunity. 

a. A vaccination is an example of the introduction of passive immunity into the body 

b. Active and passive humoral immunity are both mechanisms of adaptive immunity that use antibodies 

c. Immunological memory is established by passive immunization 

d. The antibodies utilized in active immunity are acquired from another organism 

Answer- Active and passive humoral immunity are both mechanisms of adaptive immunity that use antibodies

Que- Polio is caused by 

a. Bacteria 

b. Virus 

c. Fungus 

d. Protozoa 

Answer- Virus

Que- Rhinitis is the disease that effects which body part? 

a. Brain 

b. Nose 

c. Blood 

d. Skin 

Answer- Nose

Que- Which disease is caused due to deficiency of Iodine? 

a. Rickets 

b. Scurvy 

c. Goitre 

d. Growth retardation 

Answer- Goitre

Que- In plants cells,which structure provides a definite shape to the cell and makes it right? 

a. Cell membrane 

b. Chitin 

c. Epidermis 

d. Cell wall 

Answer- Cell wall

Que- Produces a usable form of energy for the cell 

a. Lysosomes 

b. Vacuoles 

c. Mitochondria 

d. Ribosomes 

Answer- Mitochondria

Que- Which among the following is also called as 'power house of the cell'? 

a. Plastids 

b. Mitochondria 

c. Golgi bodies 

d. Cell wall 

Answer- Mitochondria

Que- Volume of blood found in a healthy person is  

a. 3-4 litre 

b. 4-5 litre 

c. 5-6 litre 

d. 6-7 litre 

Answer- 5-6 litre

Que- Which blood group is universal donor? 

a. O+ 

b. O- 

c. AB- 

d. AB+ 

Answer- O-

Que- Deficiency of which of the following causes non-clotting of blood? 

a. Vitamin C 

b. Vitamin K 

c. Vitamin E 

d. Vitamin B12 

Answer- Vitamin K

Que- Organisms need Nutrients in order to 

a. Breaking down food 

b. Utilize chemical compounds 

c. Recycling 

d. None 

Answer- Breaking down food

Que- Sugar is a component of which of the following? 

a. Lipids 

b. Nucleic acids 

c. Carbohydrates 

d. Both B & C 

Answer- Carbohydrates

Que- The main protein found in milk is ________  

a. Albumin 

b. Globulin 

c. Globin 

d. Casein 

Answer- Casein

Que- Which one of the following vitamins is known as the anti sterile factor ? 

a. Ascorbic acid 

b. Riboflavin 

c. Niacin 

d. Retinol 

Answer- Riboflavin

Que- The trypsinogen is an enzyme secreted by the 

a. Liver  

b. Illeum  

c. Duodenum  

d. Pancrease  

Answer- Pancrease 

Que- Which body part will be effected with the disease leprosy? 

a. Blood 

b. Legs 

c. Skin 

d. Brain 

Answer- Skin

Que- AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through 

a. Eating contaminated food and water 

b. Transfusion of contaminated blood and blood products 

c. Inhaling polluted air 

d. Shaking hand with infected person 

Answer- Transfusion of contaminated blood and blood products

Que- Which one of the following diseases is caused by bacteria and spreads through faecal matter by houseflies ? 

a. Pertussis 

b. Typhoid 

c. Diphtheria 

d. Chickenpox 

Answer- Typhoid

Que- Which cells are destroyed in AIDS 

a. Monocytes 

b. Neutrophils 

c. Lymphocytes 

d. R.B.C 

Answer- Lymphocytes

Que- Which of the following blood cells carry oxygen? 

a. W.B.Cs 

b. Platelets 

c. R.B.Cs 

d. All of the above 

Answer- R.B.Cs

Que- In human body lymphocytes are formed in 

a. Liver 

b. Bone marrow 

c. Pancreas 

d. Spleen 

Answer- Bone marrow

Que- Which statement about capillaries is correct? 

a. Their walls are covered with cilia 

b. They warm and humidify inhaled air 

c. Their walls are only one cell thick 

d. They move mucus through the lungs 

Answer- Their walls are only one cell thick

Que- The grouping of blood is based on substances called 

a. Antibodies 

b. Antigens 

c. Antitoxin 

d. Enzymes 

Answer- Antigens

Que- Which blood group is universal acceptor? 

a. O+ 

b. O- 

c. AB- 

d. AB+ 

Answer- AB+

Que- Which lobe of human brain is associated with hearing? 

a. Frontal lobe 

b. Parietal lobe 

c. Temporal lobe 

d. Occipital lobe 

Answer- Temporal lobe

Que- Which of the following organs do not have blood vessels? 

a. Spleen 

b. Cornea 

c. Liver 

d. None of the above 

Answer- Cornea

Que- Receptors for hearing are located in the 

a. Vestibule 

b. Tympanic membrane 

c. Semicircular canals 

d. Cochlea 

Answer- Cochlea

Que- Image of object is is formed on which part of eye 

a. Cornea 

b. Choroid 

c. Retina 

d. Iris 

Answer- Retina

Que- A colour blind person has difficulty in distinguishing which of the two colours ? 

a. Green & Red 

b. White & Red 

c. Blue & Red 

d. Red & Black 

Answer- Green & Red

Que- Chiropterophily is the process of pollination by 

a. Bee  

b. Bat  

c. Insect  

d. Bird  

Answer- Bat 

Que- Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles? 

a. Lack of water 

b. Lack of Oxygen 

c. Lack of carbon dioxide 

d. Lack of nitrogen 

Answer- Lack of Oxygen

Que- The main result of aerobic respiration is the 

a. Production of lactic acid as an end product 

b. Production of ATP from the breakdown of glucose 

c. Conversion of radiant energy into chemical energy 

d. Storage of energy in a polysaccharide 

Answer- Production of ATP from the breakdown of glucose

Que- What compound directly provides energy for cellular work? 

a. ATP 

b. ADP 

c. NADP 

d. NADH 

Answer- ATP

Que- The outer membrane that covers the lungs 

a. Dura mater 

b. Pleura 

c. Pia mater 

d. Myelin sheath 

Answer- Pleura

Que- Bacteria were first discovered by 

a. Robert Koch 

b. Robert Hooke 

c. Louis Pasteur 

d. A.V.Leeuwenhoek 

Answer- A.V.Leeuwenhoek

Que- Among the many substances manufactured commercially by means of ________ are acetic acid, acetone, butanol, lactic acid and several vitamins. 

a. Viruses 

b. Bacteria 

c. Fungi 

d. Yeast 

Answer- Bacteria

Que- In fungi asexual reproduction occurs mostly by 

a. Fragmentation 

b. Budding 

c. Spore formation 

d. All of these 

Answer- All of these

Que- Amoeba belongs to the phylum 

a. Protozoa 

b. Annelida 

c. Porifera 

d. Platyhelminthes 

Answer- Protozoa

Que- Dried milk dried meat are examples of preservation by  

a. Pasteurization 

b. Dehydration 

c. Strerilization 

d. None of the above 

Answer- Dehydration

Que- Tissue in which cells have lost the capacity of cell division  

a. Mesristmatic tissue 

b. Permanent tissue 

c. Both a and b 

d. None of these 

Answer- Permanent tissue

Que- Plant tissues are of how many types? 

a. 3 

b. 2 

c. 5 

d. 6 

Answer- 3

Que- Detail study of internal organs at level of tissue with the help of microscope is called 

a. Histology 

b. Anatomy 

c. Ecology 

d. Taxonomy 

Answer- Histology

Que- In plants and mineral salts from soil to the aerial parts of the plant are conducted through  

a. Xylem vessels 

b. Phloem vessels 

c. Vascular bundle 

d. All of the above 

Answer- Xylem vessels

Que- Smooth muscles are likely to be found in 

a. Muscles of legs 

b. Muscles of arms 

c. Stomach 

d. Heart 

Answer- Stomach

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