MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which of following stages do chromatids align along mitotic spindle? |
| A. | telophase |
| B. | anaphase |
| C. | prometaphase |
| D. | metaphase |
| Answer» E. | |
| 2. |
Which of following is an example of a gonad? |
| A. | heart |
| B. | lung |
| C. | liver |
| D. | ovary |
| Answer» E. | |
| 3. |
If unwound, how long would be DNA of a typical human cell? |
| A. | 2m |
| B. | 5m |
| C. | 1m |
| D. | 10m |
| Answer» B. 5m | |
| 4. |
Which of following cells do not divide in a mature human? |
| A. | brain cells |
| B. | nerve cells |
| C. | liver cells |
| D. | skin cells |
| Answer» C. liver cells | |
| 5. |
Kinase proteins affect activity of other proteins by |
| A. | phosphorylation |
| B. | de phosphorylation |
| C. | hydrogenation |
| D. | oxidation |
| Answer» B. de phosphorylation | |
| 6. |
A mature cell with a potential to give rise to any sort of cell is called |
| A. | omnipotent |
| B. | bone marrow |
| C. | multipotent |
| D. | totipotent |
| Answer» E. | |
| 7. |
Protein complexes that hold two sister chromatids together are called |
| A. | Attachins |
| B. | Cohesins |
| C. | Bindins |
| D. | rivets |
| Answer» C. Bindins | |
| 8. |
In which year was PCR devised? |
| A. | 1985 |
| B. | 1995 |
| C. | 2005 |
| D. | 1983 |
| Answer» B. 1995 | |
| 9. |
Overexpression of which of following results in chronic myelogenous leukemia? |
| A. | lysozymes |
| B. | mak |
| C. | tyrosine kinase |
| D. | phosphatase |
| Answer» D. phosphatase | |
| 10. |
How many DNA molecules are present in a prokaryotic genome? |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» B. two | |
| 11. |
Sister chromatids stay stuck together due to which of following proteins? |
| A. | Cohesins |
| B. | Attachins |
| C. | chiasmata |
| D. | chromatin |
| Answer» B. Attachins | |
| 12. |
What is another name of a fertilized egg? |
| A. | zygote |
| B. | fetus |
| C. | ovum |
| D. | embryo |
| Answer» B. fetus | |
| 13. |
Which of following describes a daughter cell made without fusion of gametes? |
| A. | gamete |
| B. | replica |
| C. | clone |
| D. | mutation |
| Answer» D. mutation | |
| 14. |
Which of following is a property of reproductive cells? |
| A. | haploid |
| B. | diploid |
| C. | polypoid |
| D. | Diplopoid |
| Answer» B. diploid | |
| 15. |
A tumor that does not cause serious problems in body is called |
| A. | benign |
| B. | malignant |
| C. | safe |
| D. | premature |
| Answer» B. malignant | |
| 16. |
Which of following has characteristic of binary fission? |
| A. | plant cells |
| B. | somatic cells |
| C. | virus |
| D. | bacteria |
| Answer» E. | |
| 17. |
Which of following structures hold together by synaptonemal complex? |
| A. | ribosomes |
| B. | sister chromatids |
| C. | centrioles |
| D. | homologs |
| Answer» E. | |
| 18. |
Which term defines division of cytoplasm? |
| A. | Nucleosis |
| B. | meiosis |
| C. | cytokinesis |
| D. | mitosis |
| Answer» D. mitosis | |
| 19. |
Which of following should be attached for activation of cell cycle kinases? |
| A. | lipase |
| B. | protease |
| C. | cyclin |
| D. | oxidase |
| Answer» D. oxidase | |
| 20. |
Which of following is shortest phase of cell cycle? |
| A. | s phase |
| B. | m phase |
| C. | interphase |
| D. | g phase |
| Answer» C. interphase | |
| 21. |
By how many years have prokaryotes preceded eukaryotes on earth? |
| A. | a billion |
| B. | 5 billion |
| C. | 200 million |
| D. | 50 million |
| Answer» B. 5 billion | |
| 22. |
For division of which of following cells, Platelet-derived Growth Factor (PDGF) is required? |
| A. | reproductive cells |
| B. | somatic cells |
| C. | fibroblast |
| D. | muscle cells |
| Answer» D. muscle cells | |
| 23. |
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. | |
| 24. |
DNA_REPLICATES_DURING____________?$ |
| A. | G1 phase |
| B. | G2 phase |
| C. | S phase |
| D. | Prophase |
| Answer» D. Prophase | |
| 25. |
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 | |
| 26. |
Polyploidy can be artificially induced by __________$ |
| A. | Self pollination |
| B. | Line breeding |
| C. | Inbreeding |
| D. | Colchicine |
| Answer» E. | |
| 27. |
In_which_of_the_following_phase,_sister_chromatids_move_towards_opposite_poles?$ |
| A. | Telophase |
| B. | Anaphase |
| C. | Prophase |
| D. | Metaphase |
| Answer» C. Prophase | |
| 28. |
Crossing_over_occurs_during__________$ |
| A. | Diplotene |
| B. | Pachytene |
| C. | Leptotene |
| D. | Zygotene |
| Answer» C. Leptotene | |
| 29. |
Amitosis is shown by _________ |
| A. | Euglena |
| B. | Syllis |
| C. | Hydra |
| D. | Bacteria |
| Answer» E. | |
| 30. |
Chiasmata formation takes place during __________ |
| A. | Prophase I |
| B. | Metaphase I |
| C. | Anaphase I |
| D. | Telophase I |
| Answer» B. Metaphase I | |
| 31. |
Which phase comes between G1 and G2 phase? |
| A. | Go |
| B. | M |
| C. | S |
| D. | I |
| Answer» D. I | |
| 32. |
Name_the_medication_which_hinders_the_shortening_of_the_microtubule. |
| A. | Colchicine |
| B. | Cytochalasin |
| C. | Taxol |
| D. | Vinblastine |
| Answer» D. Vinblastine | |
| 33. |
Chromosomes_are_arranged_along_equator_during____________ |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphase |
| D. | Telophase |
| Answer» C. Anaphase | |
| 34. |
Spindle fiber attached to the chromosome by a process known as________? |
| A. | Congression |
| B. | Binding |
| C. | Alignment |
| D. | Search and capture |
| Answer» E. | |
| 35. |
Cell plate is laid during _________? |
| A. | Cytokinesis |
| B. | Karyokinesis |
| C. | Interphase |
| D. | Metaphase |
| Answer» B. Karyokinesis | |
| 36. |
Plant cells have centrosomes and astral microtubule at their spindle poles. |
| A. | True |
| B. | False |
| Answer» C. | |
| 37. |
Colchicine arrests which of the following stages of cell division? |
| A. | Anaphase |
| B. | Telophase |
| C. | Interphase |
| D. | Metaphase |
| Answer» E. | |
| 38. |
Which of the following microtubule pulls the chromosomes towards pole? |
| A. | Astral |
| B. | Polar |
| C. | Kinetochore |
| D. | Centrioles |
| Answer» D. Centrioles | |
| 39. |
Replication of centriole occurs in ______________ |
| A. | Interphase |
| B. | Prophase |
| C. | Metaphase |
| D. | Anaphase |
| Answer» B. Prophase | |
| 40. |
Name the protein which holds two sister chromatids? |
| A. | Securin |
| B. | Separase |
| C. | Cohesin |
| D. | APC |
| Answer» D. APC | |
| 41. |
Crossing over occurs between _________ |
| A. | Two daughter nuclei |
| B. | Two different bivalents |
| C. | Non sister chromatids of bivalents |
| D. | Sister chromatids of bivalents |
| Answer» D. Sister chromatids of bivalents | |
| 42. |
Among the following, which one is not the substage of mitosis? |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphase |
| D. | Nucleation |
| Answer» E. | |
| 43. |
Chromosomes are separated during? |
| A. | Prophase |
| B. | Anaphase |
| C. | Metaphase |
| D. | Telophase |
| Answer» C. Metaphase | |
| 44. |
Which of the following is a microtubule organizing center? |
| A. | Centrosome |
| B. | Kinetochore |
| C. | G2 phase |
| D. | Centrioles |
| Answer» B. Kinetochore | |
| 45. |
Spindle fibers are made up of ___________ |
| A. | Spindles |
| B. | Tubulin |
| C. | Flagella |
| D. | Humulin |
| Answer» C. Flagella | |
| 46. |
Who coined the term mitosis? |
| A. | Robert Hook |
| B. | Walther Flemming |
| C. | Farmer and Moore |
| D. | F. Twort |
| Answer» C. Farmer and Moore | |
| 47. |
When does synapsis occur during meiosis? |
| A. | Zygotene |
| B. | Leptotene |
| C. | Diplotene |
| D. | Pachytene |
| Answer» B. Leptotene | |
| 48. |
Synthesis of RNA and proteins take place in ______ |
| A. | M phase |
| B. | S phase |
| C. | G1 Phase |
| D. | G2 phase |
| Answer» D. G2 phase | |