Let a cell's generation time is 1 minute. In 20 minutes a culture tube (culture medium) is 1/8th filled with cells. When the tube will be fullfilled?

(1) 21 minutes     

(2) 23 minutes     

(3) 60 minutes     

(4) 160 minutes

Subtopic:  Intro to Cell Cycle & Interphase |
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NEET 2022 - Target Batch - Aryan Raj Singh

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The following diagram refers to a typical cell cycle.

Identify the parts marked as X, Y and Z.

1. X - G1; Y - S; Z - G2                      2. X - G2; Y - S; Z - G1

3. X - G0; Y - S; Z - G2                     4. X - G1; Y - G2; Z - G0

Subtopic:  Intro to Cell Cycle & Interphase |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres:

(1) Metaphase I    

(2) Metaphase II  

(3) Anaphase I     

(4) Anaphase II

Subtopic:  Cell Cycle: Meiosis I |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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At which stage of meiosis does the genetic constitution of gametes is finally decided:

(1) Metaphase I    

(2) Anaphase II    

(3) Metaphase II   

(4) Anaphase I

Subtopic:  Cell Cycle: Meiosis I |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Select the correct statement about G1 phase:

(1) Cell is metabolically inactive

(2) DNA in the cell does not replicate

(3) It is not a phase of synthesis of macromolecules

(4) Cell stops growing

Subtopic:  Intro to Cell Cycle & Interphase |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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A. Most dramatic period of cell cycle
involving a major reorganization of virtually all components of the cell
B. It represents the phase when the actual cell division occurs
These statements (A & B) are concerned with
1.S-phase                                2. G1 phase
3. M-phase                              4. G2 phase

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Select the correct statement

(1) Chromosoms decondense and lose their individuality during anaphase

(2) Spindle fibres attach to kinetochores of chromosomes during early prophase

(3) Centriole begins to move towards opposite poles of the cell during metaphase

(4) DNA is replicated during S-phase of cell cycle

Subtopic:  Intro to Cell Cycle & Interphase |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Interkinesis stage of cell cycle

(1) Is generally short lived 

(2) Shows DNA duplication

(3) Is generally long lived

(4) Is followed by prophase-I

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Select the incorrect statement

(1) Yeast can progress through the cell cycle in about 90 minutes

(2) DNA synthesis is a continuous process in cell cycle

(3) Duration of I-phase in the cell cycle is more than 95%

(4) Events of cell cycle are under genetic control

Subtopic:  Intro to Cell Cycle & Interphase |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Cells that do not divide further exit G1 phase to enter an inactive stage called

(1) G2 phase                 

(2) G0 stage

(3) S-phase                  

(4) M-phase

Subtopic:  Intro to Cell Cycle & Interphase |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: