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Biology Questions

48 Biology questions from Competitive Exam with detailed answers and explanations. Free previous year questions and MCQs.

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48
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2
Easy
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45
Medium
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1
Hard
Years:2026 (48)

BiologyCompetitive Exam(148 of 48)

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Q1easymcqGeneral StudiesCompetitive Exam2026
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Who suggested that "Everyone has a specific blood group"?
Q2mediummcqGeneral AwarenessCompetitive Exam2026
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Our brain mainly depends on which of the following food?
Q3mediummcqGeneral AwarenessCompetitive Exam2026
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______ is associated with the production and metabolism of fats and steroid hormones.
Q4mediummcqGeneral AwarenessCompetitive Exam2026
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Which antimicrobial enzymes are present in milk?
Q5mediummcqGeneral ScienceCompetitive Exam Practice Paper2026
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Directions: Fill in the blank with the correct word:
An Ophthalmologist is a person who deals with _______.
Q6mediummcqGeneral ScienceCompetitive Exam2026
100% accuracy
Cranial nerves in mammals are
Q7mediummcqGeneral ScienceCompetitive Exam2026
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Phenotypic ratio of Mendelian Dihybrid cross is __________
Q8mediummcqGeneral ScienceCompetitive Exam Practice Paper2026
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An endocrinologist deals with:
Q9mediummcqScienceCompetitive Exam Mock2026
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Water available for plants within the soil is
Q10mediummcqGeneral KnowledgeCompetitive Exam2026
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Who are ethologists according to the terminology listed in image_66ceff.jpg?
Q11mediummcqGeneral StudiesCompetitive Exams2026
Darwin and Wallace were both strongly influenced by the book "An Essay on the Principle of Population" written by:
Q12mediummcqGeneral ScienceCompetitive Exam Paper2026
Which bacteria are oval-shaped or spherical?
Q13mediummcqGeneral ScienceCompetitive Exams2026
Which of the following disease is caused due to the deficiency of protein?
Q14mediummcqGeneral ScienceCompetitive Exams2026
How many types of teeth are there in humans?
Q15mediummcqGeneral ScienceCompetitive Exam2026
Chloroquinine is a drug to control
Q16mediummcqGeneral ScienceCompetitive Exam2026
Which one is antibiotic?
Q17mediummcqGeneral ScienceCompetitive Exams2026
Triple Antigen provides immunity to children against all of the following diseases, except:
Q18mediummcqGeneral ScienceCompetitive Exam2026
Deficiency of Vitamin D results in:
Q19mediummcqGeneral StudiesCompetitive Exams2026
Target tissue of insulin is:
Q20mediummcqGeneral ScienceCompetitive Exam Previous Year Paper2026
Which organ in the human body produces insulin?
Q21mediummcqGeneral ScienceCompetitive Exam2026
According to Gause's Competitive Exclusion Principle, two distinct species competing for the exact same limiting resources cannot continue to occupy the same:
Q22mediummcqGeneral ScienceCompetitive Exams2026
ECG records
Q23mediummcqGeneral ScienceCompetitive Exams2026
Plants receive nutrients from
Q24mediummcqGeneral StudiesCompetitive Exams2026
Which of the following therapeutic agents is NOT classified as a broad-spectrum antibiotic?
Q25mediummcqGeneral StudiesCompetitive Exams2026
Which of the following dense connective tissues serves to connect a bone directly to another bone?
Q26mediummcqGeneral ScienceCompetitive Exam2026
'Itai Itai' disease is associated with poisoning of
Q27mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
How are dolphins and whales similar?
Q28mediummcqGeneral KnowledgeCompetitive Exams2026
For a patient suffering from COPD, the ‘C’ stands for:
Q29mediummcqGeneral ScienceGeneral Knowledge Competitive Exams2026
Which of the following cell organelles is involved in apoptosis?
Q30mediummcqGeneral ScienceGeneral Knowledge Competitive Exams2026
Which of the following groups represents essential amino acids?
Q31mediummcqGeneral AwarenessIndian Competitive Exams2026
Rickets is caused by deficiency of:
Q32mediummcqGeneral AwarenessIndian Competitive Exams2026
Which glands help in digestion in the stomach?
Q33mediummcqScienceCompetitive Exam2026
What is the main function of chlorophyll in plants?
Q34mediummcqGeneral ScienceCompetitive Exams2026
Which type of protein is found in milk?
Q35mediummcqGeneral AwarenessCompetitive Exams2026
Which of the following statements is NOT true about angiosperms?
Q36mediummcqGeneral KnowledgeCompetitive Exams2026
Which of the following is a nocturnal animal?
Q37mediummcqGeneral StudiesCompetitive Exam2026
What is called the powerhouse of the cell?
Q38mediummcqGeneral StudiesCompetitive Exam2026
Which type of muscles do the uterus, iris of the eye, and bronchi contain?
Q39mediummcqGeneral ScienceCompetitive Exam Paper2026
Pollen is produced in which part of the flower?
Q40mediummcqScience and TechnologyCompetitive Exam2026
Which of the following medicines is widely used in India to treat malaria?
Q41mediummcqGeneral ScienceCompetitive Exam2026
Human blood is grouped into ______ main types.
Q42mediummcqGeneral ScienceCompetitive Exam2026
Blood in urine or stool can be caused by the deficiency of which of the following vitamins?
Q43easymcqGeneral ScienceCompetitive Exam2026
_______ is the tissue consisting mainly of fat cells.
Q44mediummcqGeneral AwarenessIndian Competitive Exam2026
The following are three processes of reproduction in plants:(a) Vegetative,(b) Sexual,(c) AsexualWhich of them is adopted by algae?
Q45mediummcqGeneral ScienceIndian Competitive Exams2026
Which organ does detoxification and produces chemicals needed for digestion?
Q46hardmcqGeneral ScienceIndian Competitive Exams2026
Psidium guajava is the scientific name of ________.
Q47mediummcqGeneral ScienceCompetitive Exams2026
The double-helix structure of DNA was discovered by whom?
Q48mediummcqGeneral Knowledge and General AwarenessCompetitive Exam2026
Which protein is found in grains?

Competitive Exam Biology — FAQ

How many Biology questions come in Competitive Exam?
Our database has 48 Biology questions from Competitive Exam covering 2026 to 2026.
What difficulty are Competitive Exam Biology questions?
The 48 Competitive Exam Biology questions include 2 easy, 45 medium and 1 hard level questions.
Where can I find more Biology questions for other exams?
Visit /tag/biology to see all Biology questions across all exams including SSC CGL, Biology, UPTET Paper 2 (Maths & Science).