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Biology questions and answers

Browse questions about Biology, with answers and explanations.

446 questions

Animal Kingdom39 questionsCell Biology79 questionsCirculatory System15 questionsClassification and Scientific Names8 questionsDigestive System16 questionsDiscoveries and Vaccines19 questionsEcology3 questionsEndocrine System8 questionsEnzymes and Hormones16 questionsExcretory System6 questionsHuman Health and Disease45 questionsMicrobiology14 questionsMiscellaneous48 questionsNervous System10 questionsNutrition and Biomolecules17 questionsPlant Diseases1 questionsPlant Kingdom42 questionsPlant Physiology24 questionsReproduction15 questionsRespiration4 questionsScientific Study8 questionsSensory Organs5 questionsSkeletal System4 questions

Questions

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Which of the following statements regarding human antibodies is/are correct? 1. IgG is the most abundant class of antibodies present in human blood. 2.…

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_____is a disorder resulting in abnormal electrical discharge from the brain cells causing seizures.

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Poor sanitation conditions may NOT be the likely reason behind which of the following diseases/conditions?

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Which of the following is NOT a symptom of Beriberi caused due to the deficiency of Vitamin B1?

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Consider the following statements: 1. Tuberculosis (TB) is caused by the bacterium Mycobacterium tuberculosis. 2. It is primarily spread in humans through inhalation of…

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Match the columns. Column A (disorder) | Column B (enzyme) i. Gaucher disease | a. Phenylalanine hydroxylase ii. Hunter syndrome | b. Hexosaminidase iii.…

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Which of the following pairs of plant diseases – microorganisms is correct? I. Citrus canker – Virus II. Rust of wheat – Fungi

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Consider the following statements: 1. Vitamin K is essential for the synthesis of clotting factors in the blood. 2. Deficiency of Vitamin K can…

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Which of the following options is correct regarding sexually transmitted disease (STD)? Statement A: Sexually transmitted diseases (STDs) are infections transmitted from an infected…

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Which of the above statements is/are correct? 1. Ringworm is a fungal infection of the skin caused by dermatophytes. 2. Tuberculosis and Cholera are…

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Consider the following statements: 1. Chikungunya is transmitted by the Aedes mosquito, which also spreads Dengue, Zika, and Yellow Fever. 2. Anopheles mosquito is…

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Consider the following statements: 1. Trachoma is an infectious viral disease of the eye. 2. It is caused by the Chlamydia trachomatis. Which of…

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Consider the following statements regarding bacterial infections: 1. Diphtheria is a serious contagious bacterial infection that usually affects the mucous membranes of the nose…

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Consider the following statements: 1. Osteomalacia in adults is caused by deficiency of Vitamin C, leading to softening of bones. 2. Osteomyelitis is an…

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Which disease is caused by excessive iron deposition within the reticuloendothelial cells of the liver, spleen and bone marrow?

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Which is an inherited blood disorder that affects the hemoglobin gene and results in ineffective erythropoiesis?

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Sleeping sickness is a vector borne disease caused by the infection of which microscopic parasite of the species?

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Match the following vitamins with their deficiency diseases: Vitamin | Deficiency disease 1. Vitamin A | A. Rickets 2. Vitamin B1 | B. Scurvy…

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