Biology MCQs Multiple choice questions (MCQs) are a type of objective question that is used to assess a student's knowledge or understanding of a particular topic. MCQs are typically used in standardized tests, such as the SAT and ACT, as well as in classroom assessments. Biology MCQs can be used to test students on a wide range of topics, including: Cell biology Genetics Evolution Ecology Anatomy and physiology Conceptual questions are a type of MCQ that tests a student's understanding of a concept, rather than their knowledge of a specific fact or detail. Conceptual questions are often more difficult to answer than factual questions, and they require students to think critically about the material. Here are some conceptual questions on biology MCQs on different topics: Cell biology What is the difference between prokaryotic and eukaryotic cells? What are the functions of the different organelles in a cell? How does cellular respiration work? What is photosynthesis? How does mitosis differ from meiosis? Genetics What is the difference between DNA and RNA? How does protein synthesis work? What are the different types of mutations? How do genes determine traits? What is the difference between dominant and recessive alleles? Evolution What is the theory of evolution? What is natural selection? What is genetic drift? What is speciation? What is the evidence of evolution? Ecology What is the difference between a population and a community? What is an ecosystem? What are the different types of food chains? What is the carbon cycle? What is the water cycle? Anatomy and physiology What are the different organ systems in the human body? How does the circulatory system work? How does the respiratory system work? How does the digestive system work? How does the nervous system work? Here are some additional conceptual questions on biology MCQs: What is the difference between a biotic and abiotic factor? What is homeostasis? What is the difference between a virus and a bacterium? What is the difference between a fungus and a plant? What is the difference between a plant and an animal? How to answer conceptual questions on biology MCQs To answer conceptual questions on biology MCQs, you need to have a good understanding of the underlying concepts. You should also be able to apply these concepts to different situations. Here are some tips for answering conceptual questions on biology MCQs: Read the question carefully and make sure you understand what is being asked. Try to identify the key concept that is being tested. Think about how the concept applies to the situation described in the question. Eliminate any answer choices that are clearly wrong. If you are unsure of the answer, choose the answer choice that seems most likely to be correct.

1. MOST IMPORTANT BIOLOGY
MCQ’s
Solved MCQ’s

2. Polymerase belongs to the group;
1. Lyases
2. Ligases
3. Transferases
4. hydrolases

3. 2. The genome of pox virus is;
1. Single stranded DNA
2. Double stranded DNA
3. Double stranded RNA
4. Single stranded RNA

4. The final electron acceptor in lactic acid
formation is
1. Pyruvate
2. NAD+
3. Lactic acid
4. O2

5. 2. The genome of pox virus is;
1. Single stranded DNA
2. Double stranded DNA
3. Double stranded RNA
4. Single stranded RNA

6. 4. The protein fibrinogen belongs to
1. Fibrous
2. Structural
3. Globular
4. intermediate

7. 2. The genome of pox virus is;
1. Single stranded DNA
2. Double stranded DNA
3. Double stranded RNA
4. Single stranded RNA

8. 5. Pick out the radially symmetrical animal
1. Squid
2. Ascaris
3. Tapeworm
4. obelia

9. 2. The genome of pox virus is;
1. Single stranded DNA
2. Double stranded DNA
3. Double stranded RNA
4. Single stranded RNA

10. 6. Complement is;
1. A non-specific defense mechanism
2. Involved in the inflammatory reaction
3. A series of proteins in the plasma
4. All of these

11. 2. The genome of pox virus is;
1. Single stranded DNA
2. Double stranded DNA
3. Double stranded RNA
4. Single stranded RNA

12. A bacteria with tuft of flagella at each pole is;
1. Monotrichous
2. Lophotrichous
3. Peritrichous
4. amphilophotrichous

13. 8. Amylase is produced by
1. Liver and pancreas
2. Stomach and pancreas
3. Pancreas and salivary glands
4. Colon and salivary glands

14. 2. The genome of pox virus is;
1. Single stranded DNA
2. Double stranded DNA
3. Double stranded RNA
4. Single stranded RNA

15. Downy mildews are example of;
1. Oomycota
2. Myxomycota
3. Zygomycota
4. Ascomycota

16. 10. Which is the closest to the centre of a
woody stem;
1. Old xylem
2. New xylem
3. Old phloem
4. Vascular cambium

17. A hormone that stimulates gastric gland to
secret pepsinogen is;
1. Secretin
2. Gastrin
3. Cholecystokinin
4. Intrinsic factor

18. 12. Which is not the effect of cytokinin on
floral bud?
1. Promote bud initiation
2. Promote lateral bud growth
3. Break bud dormancy
4. Promote leaf growth

19. 2. The genome of pox virus is;
1. Single stranded DNA
2. Double stranded DNA
3. Double stranded RNA
4. Single stranded RNA

20. 1. j

21. Presented by
Ms. IQRA
KAIM’s Grit (YouTube channel)
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