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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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When do the drugs used as medicines become potential poisons?

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Which specific chemical can be applied to achieve staining of chromosomes?

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Match the terms in Column A with their respective properties in Column B. Column A | Column B i. Glucose | a. Intermediate substance…

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Calculate the Body Mass Index (BMI) of a person whose weight is 50 kg and height is 1.5 m.

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Among the four canonical bases of ordinary cellular DNA, which of the following chemical components is NOT present as a nitrogenous base?

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Consider the following observations regarding the communication between neurons (synaptic transmission): 1. The microscopic space separating two neurons through which signals pass is termed…

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Arrange the steps of aerobic cellular respiration in their correct chronological order: 1. Glycolysis 2. Conversion of pyruvate to Acetyl-CoA 3. Citric Acid (Krebs)…

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As energy moves from one trophic level to the next in a food chain, what is the general trend observed in the transfer of…

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Which of the following crops are mainly used for the production of ethanol fuel?

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Which of the following statements correctly describes endemic species?

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Consider the following human body components that can be transplanted for medical treatment: I. Bone marrow II. Cornea Which of the statements given above…

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Which of the following does not fall under the area of Psychological Well-Being?

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The systematic study of human cultures, social structures, and evolution across time is undertaken by:

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Under India’s National Strategic Plan for TB Elimination 2017–2025, integrating tuberculosis (TB) services into the public health system of India is crucial for attaining…

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Which of the following organs can be legally donated by a medically eligible living adult in India, subject to the required consent and approvals?…

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In the lac operon model, what is the primary role of the allolactose molecule?

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Which of the following best describes the main purpose of developing Genetically Modified Organisms (GMOs) in agriculture?

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