InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
During cell cycle, two molecules of DNA are present in chromosome duringA. `G_(1)`-phaseB. Beginning of S-phaseC. `G_(2)`-phaseD. End of M-phase |
| Answer» Correct Answer - C | |
| 502. |
What will be the content of DNA in a somatic cell at `G_(2)` if its meiotic products have 20 picogram of DNA ?A. 40 pgB. 20 pgC. 80 pgD. 160 pg |
| Answer» Correct Answer - C | |
| 503. |
What will be the amount of DNA in a pollen grain if its mother cell has 32 picogram DNA in `G_(2)` phase ?A. 16 pgB. 32 pgC. 8 pgD. 4 pg |
| Answer» Correct Answer - C | |
| 504. |
What will be DNA amount in Meiotic II products if DNA is 20 picogram in meiocyte at `G_(2)` stage ?A. 5 pgB. 10 pgC. 20 pgD. 40 pg |
| Answer» Correct Answer - A | |
| 505. |
If there are 30 chromosomes in `G_(1)` -phase, then what will be number of bivalents in zygotene stage ?A. 30B. 15C. 45D. 60 |
| Answer» Correct Answer - B | |
| 506. |
The number of DNA in chromosome at `G_(2)` stage isA. OneB. TwoC. FourD. Eight |
| Answer» Correct Answer - B | |
| 507. |
During a cell cycle, the transition from G1 to S phase and from G2 to M phase requires the activation of which of the following?A. Inducer enzymeB. ATP moleculesC. CyclinsD. Cyclin- CDK complex |
| Answer» Correct Answer - D | |
| 508. |
Meiosis takes place inA. MegaporeB. MeiocyteC. ConidiaD. Gemmule |
| Answer» Correct Answer - b | |
| 509. |
DNA replication in bacteria occursA. During S phaseB. Within nucleolusC. Prior to fissionD. Just before transcription |
| Answer» Correct Answer - c | |
| 510. |
While in mitosis, the daughter cells resemble each other and alos the parent cell, in meiosis they differ not only fom parent cell in having half the number of chromosomes. But also differ among themselves qualitatively in genetic consitution due toA. segregation and crossing over onlyB. independent assortment and segregation onlyC. independent assortment and croosing over onlyD. crossing over, idependent assortment and segregation. |
| Answer» Correct Answer - D | |
| 511. |
Which figure correctly represents a pair of homologous chromosomes at the start of meiosisA. B. C. D. |
| Answer» Correct Answer - a | |
| 512. |
In pachytene, each tetrad containsA. Two chromatidsB. One chromatidsC. Four chromatidsD. Three chromatids |
| Answer» Correct Answer - C | |
| 513. |
Bivalent chromosomes clearly appears as tetrad inA. ZygoteneB. PachyteneC. DiploteneD. Diakinesis |
| Answer» Correct Answer - B | |
| 514. |
Tetrad is made ofA. Four homologous chromosomes with four chromatidsB. Two homologous chromosomes ,each with two chromatidsC. Four non-homologous chromatidsD. Four non-homologous chromosomes |
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Answer» Correct Answer - B Tetrad is made of two homologous chromosomes , each with two chromatids |
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| 515. |
If a cell has a chromosome number after first meiosis equal to 48. the chromosome number in the daughter cells after the completion of meiosis will beA. 48B. 24C. 12D. 36 |
| Answer» Correct Answer - a | |
| 516. |
The four daughter cells produced at the end of meiosis as tetrad are geneticallyA. dissimilarB. similarC. enucleatedD. clones |
| Answer» Correct Answer - A | |
| 517. |
Dyad is a pair ofA. sister chromatidsB. non-sister chromatidsC. homologous chromosomesD. non-homologous chromosomes |
| Answer» Correct Answer - A | |
| 518. |
Assertion: Mitotic cell division is also called equatoral division. Number of chromosomes in the parent and progeny cells is the same in mitosisA. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false. |
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Answer» Correct Answer - A Mitotic cell division is also called equatoral division because number of chromosomes in the parent and progeny cells is the same in mitosis. |
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| 519. |
At what phase of meiosis there are two cells, each with separated siter chromatids that have been moved to opposite spindle poles?A. Anaphase IIB. Anaphase IC. Telophase IID. Telophase I |
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Answer» Correct Answer - A Anaphase II, where the centromeres are cleaved, allows the kinetochores to pull the sister chromatids apart. The sister chromatids by convention are now called sister chromosomes and they are pulled towards opposte poles. |
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| 520. |
Nuclear membrane nucleoli are distinctly seen inA. ProphaseB. MetaphaseC. AnaphaseD. Interphase |
| Answer» Correct Answer - D | |
| 521. |
Antephase is the phase in which ATP is synthesised during cell division.It refers toA. `G_(0)`-phaseB. `G_(1)`-phaseC. S-phaseD. `G_(2)`-phase |
| Answer» Correct Answer - B | |
| 522. |
Match List-I (Distinguishing features based on chromosomal appearance) with List-II (Stage of meiosis) and select the correct an swer using the codes given below the list A. `{:(A,B,C,D),(4,2,3,1):}`B. `{:(A,B,C,D),(3,1,2,5):}`C. `{:(A,B,C,D),(2,5,1,3):}`D. `{:(A,B,C,D),(2,4,3,1):}` |
| Answer» Correct Answer - B | |
| 523. |
Which of the following materials you will select to study mitosis ?A. AnthersB. Onion root tipsC. Flower budD. Pollen |
| Answer» Correct Answer - B | |
| 524. |
Match list-I with list-II and select the correct answer using the codes given below the lists. A. `{:(A,B,C,D),(4,3,1,2):}`B. `{:(A,B,C,D),(3,4,1,2):}`C. `{:(A,B,C,D),(3,4,2,1):}`D. `{:(A,B,C,D),(4,3,2,1):}` |
| Answer» Correct Answer - C | |
| 525. |
Study the following lists The correct match isA. `{:(A,B,C,D),(II,III,IV,V):}`B. `{:(A,B,C,D),(III,II,I,V):}`C. `{:(A,B,C,D),(I,III,V,IV):}`D. `{:(A,B,C,D),(I,III,V,IV):}` |
| Answer» Correct Answer - a | |
| 526. |
`G_(2)` phase of mitosis takesA. 50% time of cell cycleB. 25 to 33% time of cell cycleC. 12 to 16% time of cell cycleD. 4% time of cell cycle |
| Answer» Correct Answer - c | |
| 527. |
Select the correct statement about `G_(1)` phase.A. Cell is metabolically inactive.B. DNA in the cell does not replicate.C. It is not a phase of synthesis of macromolecules.D. Cell stops growing. |
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Answer» Correct Answer - B `G_(1)` belongs to interphase of cell cycle which is metabolically active stage. During `G_(1)`. Synthesis of ATP. Nucleotides, amino acids, RNAs and protein synthesis occur and growth of nucleus is observed DNA replicates in S-phase of the cell cycle. |
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| 528. |
Identify the wrong statement about meiosis.A. Pairing of homologous chromosomes.B. Four haploid cells are formed.C. At the end of meiosis number of chromosumes are reduced to half.D. Two cycles of DNA replication occur |
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Answer» Correct Answer - D Only one cycle of DNA replication occurs during meiosis. |
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| 529. |
Identify the wrong statement about meiosisA. Pairing of homologous chromsomesB. Four haploid cells are formedC. At the end of meiosis the number of chromosomes are reduced to halfD. Two cycle of DNA replication occurs |
| Answer» Correct Answer - D | |
| 530. |
Select the statement, which is not correct.A. Spindle fires arise from centrioleB. centromere facilitate attachments of chromosomes to spindle fibresC. Movement of chromosomes during cell divison is due to cytoplasmic streamingD. Minimum coiling of chromosomes is seen during interphase |
| Answer» Correct Answer - C | |
| 531. |
Mitosis is characterised byA. reduction divisionB. equal divisionC. Both (a) and (b)D. pairing of homologous chromosomes |
| Answer» Mitosis is characterised by equal division because the chromosome number in the daughter cells remain same as that of parent cell. While reduction division is the characteristic of meiosis. | |
| 532. |
Mitosis is characterised byA. reduction divisionB. equal divisionC. both reduction and equal divisonD. paring of homologous chromosomes. |
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Answer» Correct Answer - B Mitosis is a type of cell division in which chromosomes replicate and become equally distributed (quantitiatively and qualitatively) into two daughter nuclei so that the daughter cells come to have the same number and type of chormosomes as are present in the parent cell. |
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| 533. |
Aster isA. centrioleB. astral rays and Microtubular spindleC. centriole and astral raysD. centriole spindle |
| Answer» Correct Answer - C | |
| 534. |
In meiosis-I, a bivalent is an association ofA. 4 chromatids and 2 centromereB. 4 chromatids and 4 centromereC. 2 chromatids and 2 centromereD. 2 chromatids and 4 centromere |
| Answer» Correct Answer - A | |
| 535. |
Leptotene chromosomes haveA. two chromatidsB. one chromatidC. four chromatidsD. no chromatid |
| Answer» Correct Answer - A | |
| 536. |
Durig leptotene, the cytoplasm hasA. many polyribosomesB. few endoplasmic vesicles and many polyribosomesC. complex bivalent structureD. many endoplasmic vesicles and few polyribosomes |
| Answer» Correct Answer - B | |
| 537. |
Durig dinomitosisA. only nuclear envelope disintegrates during nuclear divisionB. nuclear envelope disappear during spindle organisationC. nuclear envelope persists during nuclear divisionD. spindle formation does not occur |
| Answer» Correct Answer - C | |
| 538. |
A double equatorial plate is formed inA. Metaphase IB. Metaphase IIC. Mitotic MetaphaseD. Cytokinesis |
| Answer» Correct Answer - A | |
| 539. |
Mathc column I with column II and select the correct option from the given codes. `{:("Column I","Column II"),("Division of nucleus",(i)"Interphase"),("Division of cytoplasm",(ii)"Cytokinesis"),("DNA replication",(iii)"Syncytium"),("Karyokinesis not followe by cytokinesis",(iv)"Karyokinesis"):}`A. ii,iv,i,iiiB. iv,ii,i,iiiC. iv,ii,iii,iD. iii,ii,iv,i |
| Answer» Correct Answer - B | |
| 540. |
Mathc the stages of meisos in Column I to their characteristic features in Column II and select the correct option using the codes given below `{:("Column-I","Column-II"),("Pachytene","(i)Pairing of homologous chromosomes"),("Metaphase I","(ii)Terminalization of chiasmata"),("Diakinesis","(iii)Crossing-over takes place"),("Zygotene","(iv)Chromosomes align at aquatorial plate"):}`A. a(iii), b(iv), c(ii), (i)B. a(i), b(iv), c(ii), (iii)C. a(ii), b(iv), c(iii), (i)D. a(iv), b(iii), c(ii), (i) |
| Answer» Correct Answer - A | |
| 541. |
Mathc the column I with column II and select the correct option from the given codes. `{:("Column I","Column II"),("Disntegration of nuclear membrane",(i)"Anaphase"),("Appearance of nucleoulus",(ii)"Prophase"),("Division of centromere",(iii)"Telophase"),("Replication of DNA",(iv)"S-phase"):}`A. ii,iii,i,ivB. ii,iii,iv,iC. iii,ii,i,ivD. iii,ii,iv,i |
| Answer» Correct Answer - A | |
| 542. |
Identify the given figures showing meiotic phases and select the correct option. A. `{:(A,B,C),("Metaphase","Anaphase","Telophase"):}`B. `{:(A,B,C),("Methaphase I","Anaphase I","Telophase I"):}`C. `{:(A,B,C),("Metaphase II","Anaphase II","Telophase II"):}`D. `{:(A,B,C),("Anaphase I","Metaphase I","Telophase I"):}` |
| Answer» Correct Answer - B | |
| 543. |
Select the correct mathc A. A and BB. C and DC. C and ED. A,C and E |
| Answer» Correct Answer - a | |
| 544. |
Mathc List I and List II and select the correct answer using the code given belwo in the lists: `{:("List I (Phase of meiosis)","List II (Event that occurs)"),("Prophase I","Crossing over occurs"),("Metaphase I","Sister chromatids migrate to opposite poles"),("Anaphase I","Homologous line up at equator in pairs"):}`A. 1,2 and 3 are correctB. 1 and 2 are correct, 3 is falseC. 1 is correct, 2 and 3 are falseD. 1 and 3 are correct, 2 is false |
| Answer» Correct Answer - c | |
| 545. |
Interval between two successive cell divisions is calledA. Cell-cycleB. InterphaseC. S-phaseD. Interkinesis |
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Answer» Correct Answer - B Interval between two successive cell division is called interphase. |
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| 546. |
Mathc the stages of meisos in Column I to their characteristic features in Column II and select the correct option using the codes given below `{:("Column-I","Column-II"),("Pachytene","(i)Pairing of homologous chromosomes"),("Metaphase I","(ii)Terminalization of chiasmata"),("Diakinesis","(iii)Crossing-over takes place"),("Zygotene","(iv)Chromosomes align at aquatorial plate"):}`A. `{:(A,B,C,D),(iv,iii,ii,i):}`B. `{:(A,B,C,D),(iii,iv,ii,i):}`C. `{:(A,B,C,D),(i,iv,ii,iii):}`D. `{:(A,B,C,D),(ii,iv,iii,i):}` |
| Answer» Correct Answer - b | |
| 547. |
Mathc column I with column II and select the correct option from the given codes. `{:("Column I","Column II"),("Chromosomes move to equator",(i)"Pachytene"),("Centromere splits and ",(ii)"Zygotene"),("Pairing between homologous chromosomes",(iii)"Anaphase"),("Crossing over between homologous chromosomes",(iv)"Metaphase"):}`A. i,ii,iii,ivB. ii,iii,iv,iC. iv,iii,ii,iD. iii,i,iv,ii |
| Answer» Correct Answer - C | |
| 548. |
Mathc the column I with column II and select the option from given codes. `{:("Column I","Column II"),("Synaptonemal complex",(i)"Pachytene"),("Recombination nodule",(ii)"Zygotene"),("Terminalisation of chiasmata",(iii)"Telophase I"),("Formation of dyad cell",(iv)"Diakinesis"):}`A. ii,i,iv,iiiB. i,ii,iv,iiiC. iii,i,iv,iiD. ii,i,iii,iv |
| Answer» Correct Answer - A | |
| 549. |
If a somatic cell undergoes two successive nuclear divisions without cytokinesis, the resultant structure will haveA. 2 diploid nucleiB. 4 diploid nucleiC. 4 haploid nucleiD. 2 haploid nuclei |
| Answer» Correct Answer - B | |
| 550. |
Which of the following is key event of anaphase of mitotic division?A. Chromosomes are mved to sprindle equator and get aligned through spindle fibres to both poles.B. Centromeres split and chromatids separate.C. Chromosomes cluster at opposite spindle poles and their identify is lost as discrete elements.D. Both b and c |
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Answer» Correct Answer - B Chromosomes are moved to spindle equator and get aligned through spindle fibres to both poles in metaphase of mitotic cell division. Chromosomes cluster at opposite spindle poles and their identify is lost as discrete elements in telophase of mitotic cell division. |
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