MCAT biology mcqs

MCQs is one of the best ways to test a student’s comprehension of a concept. Academic Task subject experts have prepared these Biology MCQs based on current trends and practices. Most repeated general science Biology MCQs section, frequently encountered in GAT, NAT, GRE, SAT, MCAT  Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams or tests as well as government and private job assessments. The content of is updated regularly, with the addition of new topics, more questions, and useful links. Medical biology most repeated MCQs include all topics like Basic Biology MCQs for Entry Test, MCQ on Cell Signaling, MCQ on Mollusca, MCQ on Mollusca, MCQ on Respiratory System, MCQ on Nutrition in Plants, MCQ on Vitamins, MCQ on Plant Tissue Culture, MCQ on Bioinformatics, MCQ on Food Microbiology, MCQ on Food Microbiology, Human Health and Disease, Genetics, etc.

1. NADH is oxidized by___________?

A. Coenzyme ?
B. Cytochrome b
C. Oxygen
D. Glycolysis

2. Salivary glands present in front of ear are___________?

A. Sublingual
B. Submaxillary
C. Submandibular
D. Parotid

3. How many spiracles are present in cockroach_____________?

A. 5
B. 10
C. 20
D. 40

4. Which of the following is the correct sequence in the biological method?

A. Observation?hypothesis?law?theory
B. Observation?hypothesis?deduction?testing of deduction
C. Hypothesis?observation?deduction?testing of deduction
D. law?theory?deduction?observation

5. Amphibians are considered to be evolved from___________?

A. Newts
B. Varanope
C. Dipnoi
D. Hagfishes

6. Enterobius vermicularis is commonly known as____________?

A. Flatworm
B. Pinworm
C. Hook worm
D. Tapeworm

7. Red to orange pigments are_____________?

A. Carotenes
B. Carotenoids
C. Xanthophylls
D. Chlorophyll

8. Animals of which class of arthropoda are present everywhere_____________?

A. Crustacean
B. Insecta
C. Arachnida
D. Myriapoda

9. Gaseous exchange in birds occurs at level of_______________?

A. Alveoli
B. Air sacs
C. Bronchi
D. Parabronchi

10. ______________ of earth surface is covered with water?

A. 10%
B. 30%
C. 75%
D. 90%

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