MCQOPTIONS
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MCQOPTIONS
This section includes 148 Mcqs, each offering curated multiple-choice questions to sharpen your Human Physiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Chromosomes are arranged along equator during ___________ |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphase |
| D. | Telophase |
| Answer» C. Anaphase | |
| 2. |
Polyploidy can be artificially induced by __________ |
| A. | Self pollination |
| B. | Line breeding |
| C. | Inbreeding |
| D. | Colchicine |
| Answer» E. | |
| 3. |
Crossing over occurs during _________ |
| A. | Diplotene |
| B. | Pachytene |
| C. | Leptotene |
| D. | Zygotene |
| Answer» C. Leptotene | |
| 4. |
DNA replicates during ___________ |
| A. | G1 phase |
| B. | G2 phase |
| C. | S phase |
| D. | Prophase |
| Answer» D. Prophase | |
| 5. |
Cell plate is laid during __________ |
| A. | Cytokinesis |
| B. | Karyokinesis |
| C. | Interphase |
| D. | Metaphase |
| Answer» B. Karyokinesis | |
| 6. |
Name the medication which hinders the shortening of the microtubule. |
| A. | Colchicine |
| B. | Cytochalasin |
| C. | Taxol |
| D. | Vinblastine |
| Answer» D. Vinblastine | |
| 7. |
Which of these proteins is responsible for depolymerization of microtubule? |
| A. | Kin I kinesin |
| B. | CENP-E |
| C. | Dynein |
| D. | Actin |
| Answer» B. CENP-E | |
| 8. |
In which of the following phase, sister chromatids move towards opposite poles? |
| A. | Telophase |
| B. | Anaphase |
| C. | Prophase |
| D. | Metaphase |
| Answer» C. Prophase | |
| 9. |
What is congression? |
| A. | Attachment of microtubule to chromosomes |
| B. | Attachment of two sister chromatids |
| C. | The endpoint of the spindle pole |
| D. | The midpoint of two spindle poles |
| Answer» E. | |
| 10. |
Spindle fiber attached to the chromosome by a process known as_________ |
| A. | Congression |
| B. | Binding |
| C. | Alignment |
| D. | Search and capture |
| Answer» E. | |
| 11. |
Name the type of cell division in which daughter cells receive an exact copy of chromosomes from parent cell? |
| A. | Mitosis |
| B. | Cleavage |
| C. | Interphase |
| D. | Meiosis |
| Answer» B. Cleavage | |
| 12. |
Taq enzyme is acquired by which bacterial species? |
| A. | e coli |
| B. | Thermus aquaticus |
| C. | halophiles |
| D. | Alicyclobacillus |
| Answer» C. halophiles | |
| 13. |
Chromosomes resulted from crossing over are called |
| A. | recombinant |
| B. | crossed |
| C. | mixed |
| D. | separated |
| Answer» B. crossed | |
| 14. |
Reductional division is another name for which of following processes? |
| A. | mitosis |
| B. | meiosis |
| C. | binary fission |
| D. | splitting |
| Answer» C. binary fission | |
| 15. |
Which of following can cut DNA at specific places? |
| A. | cutting enzymes |
| B. | restriction enzymes |
| C. | DNA cutter |
| D. | DNA multiplier |
| Answer» C. DNA cutter | |
| 16. |
Polymerase Chain Reaction (PCR) performs which of following functions? |
| A. | separate proteins |
| B. | amplify desired gene |
| C. | separate DNA fragments |
| D. | clone vectors |
| Answer» C. separate DNA fragments | |
| 17. |
In a normal human cell, approximately how many crossings over events occur along with a chromosome pair? |
| A. | 3 |
| B. | 8 |
| C. | 12 |
| D. | 100 |
| Answer» B. 8 | |
| 18. |
Specific position of gene along a chromosome is called |
| A. | location |
| B. | arm |
| C. | locus |
| D. | side |
| Answer» D. side | |
| 19. |
Stem cells in bone marrow can give rise to which of following cell types? |
| A. | blood cells |
| B. | brain cells |
| C. | nerve cells |
| D. | skin cells |
| Answer» B. brain cells | |
| 20. |
Which of following lacks introns? |
| A. | cDNA |
| B. | MRNA |
| C. | DNA |
| D. | rRNA |
| Answer» B. MRNA | |
| 21. |
Longer arm of chromosome is denoted by alphabet |
| A. | p |
| B. | q |
| C. | r |
| D. | t |
| Answer» C. r | |
| 22. |
Sticky ends of fragments produced by restriction enzymes can be joined by |
| A. | protease |
| B. | isomerase |
| C. | DNA ligase |
| D. | helicase |
| Answer» D. helicase | |
| 23. |
Which is first step in Polymerase Chain Reaction (PCR)? |
| A. | DNA denaturation |
| B. | DNA elongation |
| C. | DNA cloning |
| D. | DNA annealing |
| Answer» B. DNA elongation | |
| 24. |
Which of following heat-stable enzyme is used for PCR reaction? |
| A. | taq polymerase |
| B. | DNA polymerase |
| C. | RNA polymerase |
| D. | amplifier |
| Answer» B. DNA polymerase | |
| 25. |
Synapsis happens during which phase of meiosis? |
| A. | prophase |
| B. | metaphase |
| C. | anaphase |
| D. | telophase |
| Answer» B. metaphase | |
| 26. |
Each hereditary unit that transfers from parents to offspring is called |
| A. | DNA |
| B. | gene |
| C. | chromosome |
| D. | chromatin |
| Answer» C. chromosome | |
| 27. |
What is frequency of SNPs in humans? |
| A. | a few million |
| B. | a few billion |
| C. | a few hundred |
| D. | a few thousand |
| Answer» B. a few billion | |
| 28. |
Which of following acts as Plasmid? |
| A. | polymerase |
| B. | transcription site |
| C. | genome |
| D. | cloning vector |
| Answer» E. | |
| 29. |
Genes are inherited from one generation to next by |
| A. | gametes |
| B. | somatic cells |
| C. | mutated cells |
| D. | nerve cells |
| Answer» B. somatic cells | |
| 30. |
Scientific study of heredity and hereditary variation is called |
| A. | mutation |
| B. | inheritance |
| C. | genomics |
| D. | genetics |
| Answer» E. | |
| 31. |
What is diploid number of chromosomes of a fruit fly? |
| A. | 8 |
| B. | 78 |
| C. | 34 |
| D. | 2 |
| Answer» B. 78 | |
| 32. |
What is polymorphism in a single base pair called? |
| A. | SNP |
| B. | SNO |
| C. | single variation |
| D. | ANP |
| Answer» B. SNO | |
| 33. |
Which of following is not phase of mitosis? |
| A. | metaphase |
| B. | s phase |
| C. | anaphase |
| D. | prophase |
| Answer» C. anaphase | |
| 34. |
Process in which a brief pulse is applied so holes temporarily form bacterial surface is called |
| A. | electrocuting |
| B. | poring |
| C. | electroporation |
| D. | cell poring |
| Answer» D. cell poring | |
| 35. |
Which of following RNAs can be used for gene knockout? |
| A. | tRNA |
| B. | mRNA |
| C. | rRNA |
| D. | RNAi |
| Answer» E. | |
| 36. |
Production of multiple copies from a single gene is called |
| A. | gene cloning |
| B. | gene replication |
| C. | gene unit |
| D. | gene multiplication |
| Answer» B. gene replication | |
| 37. |
What is diploid number of chromosomes of dogs? |
| A. | 8 |
| B. | 78 |
| C. | 34 |
| D. | 2 |
| Answer» C. 34 | |
| 38. |
Any cell that has two of each chromosome is called |
| A. | diploid |
| B. | haploid |
| C. | diploidic |
| D. | Polyploid |
| Answer» B. haploid | |
| 39. |
What is number of possible combinations of all mateRNAl and pateRNAl chromosomes that a gamete can inherit? |
| A. | 1 million |
| B. | 10 million |
| C. | 8.4 million |
| D. | 24 million |
| Answer» D. 24 million | |
| 40. |
A particular cell has half as much DNA as some other cells in mitotically active tissue. Cell in question is most likely in which of following phases? |
| A. | G1 |
| B. | G2 |
| C. | prophase |
| D. | metaphase |
| Answer» E. | |
| 41. |
Cells that have acquired ability to divide indefinitely are said to have |
| A. | mutated |
| B. | infected |
| C. | transformed |
| D. | transfected |
| Answer» D. transfected | |
| 42. |
How many times a normal mammalian cell divides before it ages and dies? |
| A. | 1000 |
| B. | 50 |
| C. | 5 |
| D. | 200 |
| Answer» C. 5 | |
| 43. |
DNA is organized in cell in small structures called |
| A. | nucleosome |
| B. | Chromatosomes |
| C. | endosomes |
| D. | chromosomes |
| Answer» E. | |
| 44. |
Which of following checkpoints is also known as 'restriction checkpoint' in mammals? |
| A. | g2 checkpoint |
| B. | s checkpoint |
| C. | g1 checkpoint |
| D. | m checkpoint |
| Answer» D. m checkpoint | |
| 45. |
Formation of cleavage furrow is first sign of |
| A. | cytokinesis |
| B. | mitosis |
| C. | metaphase |
| D. | anaphase |
| Answer» B. mitosis | |
| 46. |
HeLa cell line is an example of which of following cells? |
| A. | cancer cells |
| B. | nerve cells |
| C. | somatic cells |
| D. | infectious cells |
| Answer» B. nerve cells | |
| 47. |
Which term defines division of genetic material in somatic cells? |
| A. | meiosis |
| B. | Nucleosis |
| C. | transverses |
| D. | mitosis |
| Answer» E. | |
| 48. |
How does radiation help in controlling cancer cells? |
| A. | destroys the DNA |
| B. | breaks down the cells |
| C. | freezes the cell |
| D. | burns the cell |
| Answer» B. breaks down the cells | |
| 49. |
Building material of chromosomes is termed as |
| A. | Chromatosomes |
| B. | histone |
| C. | chromatin |
| D. | nucleosome |
| Answer» D. nucleosome | |
| 50. |
Which of following chromosomal combination represents a male? |
| A. | YO |
| B. | XX |
| C. | XY |
| D. | YY |
| Answer» D. YY | |