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Q. No.During meiosis I, the chromosomes start pairing at:
1.
Zygotene
2.
Pachytene
3.
Diplotene
4.
Leptotene
Subtopic: Â Cell Cycle: Meiosis I |
 75%
Level 2: 60%+
NEET - 2013
Hints
During the metaphase stage of mitosis spindle fibres attach to chromosomes at:
| 1. | kinetochore |
| 2. | both centromere and kinetochore |
| 3. | centromere, kinetochore and areas adjoining centromere |
| 4. | centromere |
Subtopic: Â Cell Division: Mitosis (Karyokinesis) |
 89%
Level 1: 80%+
NEET - 2013
Hints
A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics?
| 1. | Metaphase-spindle fibers attached to kinetochores, centromeres split and chromatids separate |
| 2. | Metaphase- chromosomes moved to spindle equator, chromosomes made up of two sister chromatids |
| 3. | Anaphase - centromeres split and chromatids separate and start moving away |
| 4. | Late prophase - chromosomes move to spindle equator |
Subtopic: Â Cell Division: Mitosis (Karyokinesis) |
 78%
Level 2: 60%+
NEET - 2013
Hints
At metaphase, chromosomes are attached to the spindle fibres by their:
| 1. | Centromere |
| 2. | Satellites |
| 3. | Secondary constrictions |
| 4. | Kinetochores |
Subtopic: Â Cell Division: Mitosis (Karyokinesis) |
 92%
Level 1: 80%+
AIPMT - 2011
Hints
Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres.
| 1. | Metaphase-II |
| 2. | Anaphase-I |
| 3. | Anaphase-II |
| 4. | Metaphase-I |
Subtopic: Â Cell Division: Mitosis (Karyokinesis) |
 81%
Level 1: 80%+
AIPMT - 2012
Hints
Synapsis occurs between:
| 1. | a male and a female gamete |
| 2. | mRNA and ribosomes |
| 3. | spindle fibres and centromere |
| 4. | two homologous chromosomes |
Subtopic: Â Cell Cycle: Meiosis I |
 94%
Level 1: 80%+
AIPMT - 2009
Hints
Given below is a schematic break-up of the phases/stages of cell cycle-
Which one of the following is the correct indication of the stage/phase in the cell cycle?
| 1. | B-Metaphase | 2. | C-Karyokinesis |
| 3. | D-Synthetic phase | 4. | A-Cytokinesis |
Subtopic: Â Intro to Cell Cycle & Interphase |
 84%
Level 1: 80%+
AIPMT - 2009
Hints
Which stages of cell division do the following figures A and B represent respectively?
| 1. | Metaphase- Telophase | 2. | Telophase- Metaphase |
| 3. | Late anaphase- Prophase | 4. | Prophase- Anaphase |
Subtopic: Â Cell Division: Mitosis (Karyokinesis) |
 77%
Level 2: 60%+
AIPMT - 2010
Hints
During mitosis ER and nucleolus begin to disappear at:
| 1. | late prophase |
| 2. | early metaphase |
| 3. | late metaphase |
| 4. | early prophase |
Subtopic: Â Cell Division: Mitosis (Karyokinesis) |
Level 3: 35%-60%
AIPMT - 2010
Hints
Select the correct option with respect to mitosis.
| 1. | Chromatids start moving towards opposite poles in telophase. |
| 2. | Golgi complex and endoplasmic reticulum are still visible at the end of prophase. |
| 3. | Chromosomes move to the spindle equator and get aligned along the equatorial plate in metaphase. |
| 4. | Chromatids separate but remain in the center of the cell in anaphase. |
Subtopic: Â Cell Division: Mitosis (Karyokinesis) |
 89%
Level 1: 80%+
AIPMT - 2011
Hints
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