Prepare for NEET Biology Cell Cycle and Cell Division (Interphase) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert insights into G1, S, G2 phases and DNA replication.
NEET Questions / Botany / Cell Cycle and Cell Division / Interphase
In a rapidly dividing cell population, a drug inhibiting the synthesis of cyclin D would most directly affect which phase of the cell cycle?
G0
S
G2
G1
During which stage of interphase are the majority of cellular organelles duplicated?
G1
S
G2
M
Identify the correct statement regarding (Gap 1) phase of interphase.
DNA replication takes place.
Chromosomes duplicate.
The cell is metabolically inactive.
The cell is metabolically active and RNA and proteins are synthesized.
During the phase of the cell cycle, which of the following occurs?
DNA replication begins.
Chromosomes condense.
The cell grows and synthesizes proteins.
Spindle fibers begin to form.
Which statement BEST describes the cellular activity during the phase of interphase?
DNA replication is initiated.
The cell is actively growing and carrying out metabolic functions.
The cell is in a dormant or resting state.
Chromosomes begin to condense in preparation for cell division.
In the cell cycle, the phase is characterized by:
Cell growth and preparation for DNA replication.
DNA replication.
Chromosome duplication.
Cell division.
If a cell is actively synthesizing proteins and increasing in size, but DNA replication has not yet begun, which phase of the cell cycle is it MOST likely in?
S
G2
G1
M
I. โฆAโฆ phase corresponds to the interval between mitosis and initiation of DNA replication
II. In animal cells, during the โฆBโฆ phase, DNA replication begins in the nucleus and the centriole duplicates in the cytoplasm
III. During the โฆCโฆ phase, proteins are synthesized for the preparation of mitosis, while cell growth continues
Identify the blanks (A-C) to complete the given statements (I-III) with reference to NCERT textbook
A- G1, B- S, C- G2
A- G2, B- S, C- G1
A- G1, B- G2, C- S
A- S, B- G1, C- G2
I. โฆAโฆ phase corresponds to the interval between mitosis and initiation of DNA replication
II. In animal cells, during the โฆBโฆ phase, DNA replication begins in the nucleus and the centriole duplicates in the cytoplasm
III. During the โฆCโฆ phase, proteins are synthesized for the preparation of mitosis, while cell growth continues
Identify the blanks (A-C) to complete the given statements (I-III) with reference to NCERT textbook
A-G_2, B-S, C-G_1
A-S, B-G_2, C-G_1
A-S, B-G_1, C-G_2
A-G_1, B-S, C-G_2
Choose the correct statements regarding cell cycle
I. Interphase is called the resting phase
II. Interphase is the time during which the cell is preparing for division
III. The interphase is divided into phases, i.e.,G_1, S and G_2-phase
IV. Interphase represents the phase between the two successive M-phases
The option with correct statements is
I and II
II, III and IV
I, II and III
I, III and IV