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. Cell structure and
Function
MCQs
F.Sc 1
Ch1
P1

2. Cell structure and
Function
MCQs
Ch1
P1
F.Sc 1

3. 1. Which of the following is major advantage of using a
light microscope instead of EM:
a) Superior resolving power
b) Constant depth of focus
c) Observation of living matter
d) Use of very thin sections
C. Observation of living
matter

4. 2. Some cellular organelles… … … … … … .. Is
correct :
a) … .
b) … …
c) … …
d) … ..
A. Peroxysome, lysosome
B. Nucleus, chkrorplast

5. 3. Klenow fragment is derived from
a) DNA Ligase
b) DNA Pol-I
c) DNA Pol-II
d) Reverse Transcriptase
b) DNA Pol-I

6. 4. Southern blotting is
a) Attachment of probes to DNA fragments
b) Transfer of DNA fragments from
electrophoretic gel to a nitrocellulose sheet
c) Comparison of DNA fragments to two
sources
d) Transfer of DNA fragments to
electrophoretic gel from cellulose membrane
b) Transfer of DNA fragments from
electrophoretic gel to a nitrocellulose sheet

7. 5. A plasmid is;
a) Used as a DNA vector
b) A type of bacteriophage
c) A type of cDNA
d) A retrovirus
a) Used as a DNA vector

8. 6. The PCR technique uses;
a) Heat resistant DNA polymerase
b) Reverse transcriptase
c) DNA ligase
d) Restriction enzyme
1. Heat resistant DNA
polymerase

9. 7. Which technique rapidly replicated specific
DNA fragments without cloning;
a) Gel elctropherisis
b) cDNA libraries
c) Genetic probe
d) PCR
d) PCR

10. 8. Meristem is;
a) Pathogen free
b) Bacteria free
c) Fungi free
d) Virus free
Virus free

11. 9. Which bacterium is used in the production
of insulin by genetic engineering?
a) Saccharomyces
b) Rhizobium
c) Escherichia
d) Mycobacterium
c) Escherichia

12. 10. The expression of a transgene in the target
tissue is identified by a
a) Transgene
b) Promoter
c) Enhancer
d) Reporter
d) Reporter

13. 11. ———– is used as a vector for cloning into
higher organisms
a) Retrovirus
b) Baculovirus
c) Salmonella typhimurium
d) Rhizopus nigricans
a) Retrovirus

14. 12. Excision and insertion of a gene is called
a) Biotechnology
b) Genetic engineering
c) Cytogenetics
d) Gene therapy
b) Genetic engineering

15. 13. RNA interference helps in
a) Cell proliferation
b) Micropropagation
c) Cell defence
d) Cell differentiation
c) Cell defence

16. 14. The first transgenic plant to be produced is
a) Brinjal
b) Tobacco
c) Rice
d) Cotton
b) Tobacco

17. 15. Which is a genetically modified crop?
a) Bt-cotton
b) Bt-brinjal
c) Golden rice
d) All
d) all