Cell Cycle and Cell Division — practice questions
67 curated practice questions from Cell Cycle and Cell Division (Biology Class 11, CBSE) — 67 easy. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Read the following statements about cell division and select the correct answer. (i) M phase represents the phase when…
- Mitotic spindle is mainly composed of _____ proteins.
- Identify the given figures showing meiotic phases and select the correct option.
- During anaphasic movements of chromosomes, ______ of each chromosome is/are towards the pole and ______ of the…
- _______ is the best stage to count the number and study the morphology of chromosomes.
- The separation of two chromatids of each chromosome at early anaphase is initiated by
- If a tissue has at a given time 1024 cells, how many cycles of mitosis had the original parental single cell undergone?
- While in mitosis, the daughter cells resemble each other and also the parent cell; in meiosis they differ not only from…
- Which of the following phases of the cell cycle is not a part of interphase?
- In which of the following ways are mitosis and meiosis similar?
- Cytokinesis in an animal cell takes place by ______ method in ______ direction; while in a plant cell it occurs by…
- The process of crossing over is assisted by which of the following enzymes?
- Refer the following statements describing prophase I of meiosis and answer the Question Arrange the given statements in…
- Which phase of mitosis is essentially the reverse of prophase in terms of nuclear changes?
- Non-dividing cells like heart cells and nerve cells are in ______ phase.
- Spindle formation can be disrupted by exposing cell to the microtubule poison
- Which of the following statements is not correct regarding colchicine?
- Crossing over in diploid organisms is responsible for
- A cell’s division time is 1 minute. In 20 minutes, a culture tube (culture medium) is 1/8 th filled with cells. When…
- In plants, cell division occurs ________ whereas in animals, it occurs _______.
- Refer the given figures and answer. Which of the following shows the correct sequence of the given mitotic stages?
- At which stage of mitosis, the two daughter chromatids separate from each other, migrate towards the opposite poles and…
- During meiosis, separation of homologous chromosomes takes place at
- In which of the following stages, a chromosome is minimum coiled?
- In above sequence of figures showing different stages of cell division, the missing stage (ii) is
- Refer the following statements describing prophase I of meiosis and answer the Question Identify the different stages…
- One cycle of cell division in human cells takes 24 hours. Which phase occupies the maximum part of cell cycle?
- Select the correct statement about G 1 phase.
- If 2n = 4, then identify the figures A, B and C, as per the following codes and select the correct option. Anaphase of…
- At which stage, the homologous chromosomes separate due to repulsion, but are yet held by chiasmata?
- Consider the given cell at metaphase-I stage undergoing normal meisois. Which of the following gametes will not be…
- The cells that do not divide further, exit G 1 phase to enter an inactive stage called ______ of the cell cycle.
- Centrioles undergo duplication during (i) of (ii) , and begin to move towards opposite poles of the cell during (iii)…
- Human cells in culture show a cell cycle to be completed in approximately
- Maximum chromosome number (631) in haploid cell is found in
- Which of the following correctly shows a pair of homologous chromosomes at the start of meiosis?
- The role of mitosis is not merely to divide a cell into two daughter cells but to ensure genetic continuity from one…
- During cell division, the spindle fibres get attached to condensing chromosome at a highly differentiated region, this…
- You are provided with floral buds of Chrysanthemum in your class and are asked to count the chromosomes, then which of…
- Which of the events listed below is not observed during mitosis?
- Four different steps that occur during meiosis are given in the following list. (i) Complete separation of chromatids…
- _______ is characterised by all the chromosomes coming to lie at the equator, with one chromatid connected by its…
- At which of the following stages, the chromosomes appear single, thin and thread like?
- Colchicine is a cell poison which arrests cell division at ____ and can induce _____.
- The given diagram depicts cell plate method of cytokinesis in plant cells. Identify A, B and C.
- The DNA content of individual cells and the number of cells in each phase of a “cell cycle” can be determined using…
- To build up food reserves in the cytoplasm, chromosomes become unfolded to start transcription of m RNA and r RNA…
- Which one is correct about bivalent? (i) Bivalents are tetrads. (ii) A bivalent means 4 chromatids and 2 centromeres…
- At which stage of meiosis does the genetic constitution of gametes is finally decided?
- Spindle usually persists in the form of ______ during _____ method of cytokinesis.
- At what phase of meiosis are there two cells, each with separated sister chromatids that have been moved to opposite…
- In animals meiotic division occurs during gamete formation. This gametic meiosis results in
- Identify the structures indicated by labels (i), (ii), (iii) and (iv) and select the correct option.
- Refer the given figures and answer. Identify the given stages of mitosis and select the correct option.
- Crossing over occurs between ______ chromatids of ______ chromosomes.
- Select the incorrect statement regarding S phase of interphase.
- Splitting of centromere and hence separation of chromatids occur during
- Cell would normally proceed to mitosis without interruption
- The figure given below shows a cell undergoing meiosis. Which of the options below shows the next stage in the process?
- Identify A, B, C and D in the given diagram depicting cell cycle and select the correct option.
- Which of the following statements is correct regarding G 0 phase?
- During meiosis - I in humans, one of the daughter cells receives
- Lampbrush chromosomes are seen in which typical stage?
- Refer the given figures and answer. At which of the given stages of mitosis, chromosomes appear in V, L, J and I shapes.
- Refer the given figures and answer. Read the given statements which represent the features of the diagrams A, B, C and…
- The graph given shows the change in DNA content during various phases (A to D) in a typical mitotic cell cycle…
- This phase of cell cycle is a period of intense synthesis and growth. It constitutes 90% of the duration of cell cycle…