RRB NTPC
RRB NTPC 2020 CBT 1 exam is starting from 28th December 2020 thus not leaving much time for the candidates to prepare well so we are giving RRB NTPC 100+ Important Biology Questions & Answers 2021 to boost the preparations. Since the exam is approaching soon, so we would advise the aspirants to start their revision for the exam. Also, if you haven’t taken RRB NTPC free mock test by now then attempt the test today so that you get to know your weak areas and where your preparation is lacking.
While revising for RRB NTPC CBT 1 exam make sure that no topic or concept is left un-revised and a proper revision plan should be drafted and a candidate should strictly follow that. As we all know that General Science is quite an important aspect of the RRB NTPC exam, thus we are here with a free Ebook to download comprising 300+ important general science questions for RRB NTPC. This PDF is completely free to download
This Free Ebook/PDF contains:
- 100+ Chemistry Questions & Answers
- 100+ Physics Questions & Answers
- 100+ Biology Questions & Answers
100+ Biology Questions & Answers
| S.No. | Question | Answer |
| 1 | Use of disposable syringes is usually advised to prevent? | AIDS |
| 2 | DNA stands for | Deoxyribonucleic Acid |
| 3 | Blood groups was discovered by – | Karl Landsteiner |
| 4 | Dermatology is the study of? | Human Skin |
| 5 | An emergency hormone is known as | Adrenaline |
| 6 | The smallest bone in the human body | Stapes |
| 7 | Which hormone control glucose levels in the body? | Insulin |
| 8 | Which part of eye is responsible for its colour? | Iris |
| 9 | What’s the name of tuberculosis’ vaccination? | Bacille Calmette-Guérin (BCG) |
| 10 | Which is the strongest bone in the human body? | Femur |
| 11 | Who gave the theory of evolution? | Charles Darwin |
| 12 | Plants which don’t have a differentiated plant body belong to which group? | Thallophyta |
| 13 | What joins one bone to another bone | Ligaments |
| 14 | What’s the liquid part of blood known as? | Plasma |
| 15 | Which of the below has teeth? | Mosquito |
| 16 | Pupil is a part of which organ in the human body? | Eye |
| 17 | Which lens does Human eye have? | Convex lens |
| 18 | What is the primary sex hormone in men? | Testosterone |
| 19 | Jaundice disease affects which part of the human body? | Liver |
| 20 | What is the shape of Bacillus Bacteria? | Rod-shaped |
| 21 | The largest vein in the human body | Vena cava |
| 22 | Which of the following is not a sensory organ? | Brain |
| 23 | Glucose is a Upper most layer of skin is called? | Monosaccharide |
| 24 | Number of bones a human skull has | Epidermis |
| 25 | Alcoholic drink contains | 22 |
| 26 | Genes are made by | Ethyl Alcohol |
| 27 | Leoprasy is also known as | Polynucleotides |
| 28 | Endocrine glands are also known as | Hansen’s disease |
| 29 | What are Bryophytes? | Ductless Glands |
| 30 | What are Purkinje fibres associated with? | Amphibious Plants |
| 31 | What will be the outcome when fructose is combined with glucose? | Heart |
| 32 | Deficiency of Vitamin C leads to | Sucrose |
| 33 | Which is the strongest muscle of the human body? | Scurvy |
| 34 | The study of the chemical reactions required for life to exist and function, usually a focus on the cellular level | Masseter muscle |
| 35 | Transferrins are glycoproteins that control the level of what in biological fluids? | Biochemistry |
| 36 | Which blood group is the universal donor? | Free Iron |
| 37 | Which disease is caused by the deficiency of Vitamin B1? | O- |
| 38 | Cancer affects which part of the Bone marrow? | Beriberi |
| 39 | Which is the smallest gland in the human body? | Multiple myeloma |
| 40 | Who is the father of Genetics? | Pineal gland |
| 41 | What is the normal fetal heart rate? | Gregor Mendel |
| 42 | What’s the study of fungi? | 110 to 160 bpm |
| 43 | Who gave the theory of ‘Survival of the Fittest’? | Mycology |
| 44 | Where is the Thyroid gland located in the Human body? | Herbert Spencer |
| 45 | Which among the following organs contributes to maintaining the balance of body? | Neck |
| 46 | Which chromosome is responsible for a baby boy? | Ear |
| 47 | What is known as ‘Suicidal bags of cell’? | Y |
| 48 | What is the PH value of milk? | Lysosome |
| 49 | The study of Trees is called? | 6.5 |
| 50 | Which among the following lens is used to correct Presbyopia? | Dendrology |
| 51 | The oral polio vaccine was discovered by | Bifocal lens |
| 52 | Which creatures breathes through its skin? | Albert Sabin |
| 53 | What are the products formed during photosynthesis? | amphibians |
| 54 | Food poisoning is caused by | Glucose and Oxygen |
| 55 | Which is the largest gland in the human body | Clostrideam boutulium |
| 56 | What is the smallest functional unit of a kidney? | Liver |
| 57 | Our bones and teeth are generally made of | Nephron |
| 58 | What is the normal BP of human body? | Tricalcium phosphate |
| 59 | Which is a broad-spectrum antibiotic | 120/80 |
| 60 | Deficiency of Iodine leads to | Ampicillin |
| 61 | Antihistamines are used to treat? | Goitre |
| 62 | Which vitamin helps in clotting of blood | Allergies |
| 63 | In which form of blood cancer, white blood cells multiply abnormally and circulate through the blood | Vitamin K |
| 64 | What connects muscles to bones? | Leukemia |
| 65 | What kind of disease is ring worm? | Tendons |
| 66 | DNA is organized into dense protein-DNA complexes called | Fungal infection |
| 67 | A blood disorder in which the body makes an abnormal form or Inadequate amount of haemoglobin | Chromosomes |
| 68 | Vitamin A deficiency causes | Thalassemia |
| 69 | What is the master gland in the human body? | Night Blindness |
| 70 | What is the main storage site of calcium in the body? | Pituitary gland |
| 71 | What substance are nails made of? | Bones |
| 72 | What is the molecular shape of a DNA molecule? | Keratin |
| 73 | Brain contains microscopic cells called | Double helix |
| 74 | Most common blood disorder in humans | Neurons |
| 75 | White blood cells are also called as | Anemia |
| 76 | What kind of blood is carried through artery? | Leukocytes |
| 77 | Which hormone made by pancreas regulates the amount of glucose in the blood | Oxygenated blood |
| 78 | Which layer of the skin contain sweat glands | Insulin |
| 79 | Most complex organ in the human body is | Dermis |
| 80 | Name the soft, spongy tissue found in the centre of bones | Brain |
| 81 | Deficiency of Vitamin D causes | Bone Marrow |
| 82 | The branch of biology concerned with the study of the structure of organisms and their parts | Rickets |
| 83 | Dental cavities are caused because of the deficiency of? | Anatomy |
| 84 | The two holes in your nose are called? | Fluorine |
| 85 | The pollination by snails is called | Nostrils |
| 86 | How many vertebrae are there in the human body? | Malacophily |
| 87 | The word gene was firstly used by | 33 |
| 88 | The study of the geographical distribution of living things | Wilhelm Johannsen |
| 89 | Which metal is present in hemoglobin? | Biogeography |
| 90 | The study of fossils is called | Iron |
| 91 | System that Influences the function of the body using hormones | Paleontology |
| 92 | The organ of the human body which stores the carbohydrates in the form of glycogen is | Endocrine system |
| 93 | The PH value of human blood is? | Liver |
| 94 | Area of the brain which controls the movements of the muscles | 7.4 |
| 95 | Which disease causes legs to swell? | Cerebral cortex |
| 96 | Our skeletal system consists of how many bones? | Elephantiasis |
| 97 | The largest artery in the human body | Aorta |
| 98 | The study of cognition is called | Cognitive biology |
| 99 | Deficiency of iodine leads to | Enlargement of Thyroid Gland |
| 100 | Glucose is stored in which form by Animals? | Glycogen |
| 101 | Who discovered Blood groups? | Karl Landsteiner |
| 102 | What causes Ascariasis? | Round Worm |
