MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 3851. |
What are the programs called to get total reproductive health as a social goal of national level ? |
| A. | Family care |
| B. | Family planning |
| C. | Family organigation |
| D. | Reproductive care |
| Answer» C. Family organigation | |
| 3852. |
What are the problems in reproductive health care which requires a doctor's help ? |
| A. | Conception,parturition, abortion |
| B. | Contracption, menstruction problem, infertility |
| C. | STD s |
| D. | All above |
| Answer» E. | |
| 3853. |
By which name family planning is currently popular ? |
| A. | Family and child care |
| B. | Reproductive and chid care |
| C. | Reproductive and child health care |
| D. | Reproductive and child health. |
| Answer» D. Reproductive and child health. | |
| 3854. |
What was the size of India's population in 2001 (in millions) ? |
| A. | 1025 |
| B. | 1028 |
| C. | 1027 |
| D. | 1026 |
| Answer» D. 1026 | |
| 3855. |
Which country ranks first in population ? |
| A. | America |
| B. | Russia |
| C. | China |
| D. | Australia |
| Answer» D. Australia | |
| 3856. |
What is the main factor affecting the population growth ? |
| A. | Increase in health case facilities |
| B. | Better life style |
| C. | Increase in birth rate and decrease in death rate |
| D. | Industrialization. |
| Answer» D. Industrialization. | |
| 3857. |
What is our main goal to control population growth ? |
| A. | Decrease in death rate. |
| B. | Decreasing the birthrate |
| C. | Organizing several programmes |
| D. | Promote family planning programmes |
| Answer» C. Organizing several programmes | |
| 3858. |
Effects of high population growth are.... |
| A. | Decrease in resources |
| B. | Increase in poverty and malnurition |
| C. | Other population related problems |
| D. | All above |
| Answer» E. | |
| 3859. |
Which are the media to bring awarness about reproductive and child health care programs ? |
| A. | Audio- visual aid |
| B. | Newspapers |
| C. | Leaflets |
| D. | Both (a) and (b) |
| Answer» E. | |
| 3860. |
When was family planning initiated ? |
| A. | 1950 |
| B. | 1951 |
| C. | 1952 |
| D. | 1953 |
| Answer» D. 1953 | |
| 3861. |
How is information about reproductive health is given ib schools ? |
| A. | By introducing sex education as a subject |
| B. | By discussion |
| C. | By orators on sex education |
| D. | By arranging question-answer session. |
| Answer» B. By discussion | |
| 3862. |
What is the reason for popularity of barrier method of family planning ? |
| A. | The absence of side effect |
| B. | Compartively more reliable |
| C. | Protection from sexually trasmitted diseases. |
| D. | Both a and b |
| Answer» E. | |
| 3863. |
What was the increase in the size of population from 1951 to 2001 in India ? |
| A. | 2 time |
| B. | 3 times |
| C. | 31/2 times |
| D. | 4 |
| Answer» C. 31/2 times | |
| 3864. |
Syncytium means........ |
| A. | small disc shaped structures at the surface of the centromeres. |
| B. | a condition arises when karyokinesis is not followed by cytokinesis. |
| C. | process of constriction of cytoplasm from peripheral region of cell that extends towards the centre. |
| D. | a multinucleate condition arises when karyokinesis and cytokinesis is over. |
| Answer» C. process of constriction of cytoplasm from peripheral region of cell that extends towards the centre. | |
| 3865. |
What is the percentage population of india compared to the world's population ? |
| A. | 16.80% |
| B. | 16.85% |
| C. | 16.90% |
| D. | 16.87% |
| Answer» E. | |
| 3866. |
Which of the following occurs only during meiosis ? |
| A. | Pairing of homologous chromosome |
| B. | Separation of duplicated stands |
| C. | Cytokinesis |
| D. | Disappearance of nucleolus |
| Answer» B. Separation of duplicated stands | |
| 3867. |
Crossing over occurs between....... |
| A. | Non – homologous chromatids of non homologous chromosomes |
| B. | Non – sister chromatids of homologous chromosomes |
| C. | Sister chromatids of homologous chromosomes |
| D. | Sister chromatids of non homologous chromosome |
| Answer» C. Sister chromatids of homologous chromosomes | |
| 3868. |
Given below is a schematic break-up of the phases/stage of cell cycle : |
| A. | C Karyokinesis |
| B. | D Synthetic phase |
| C. | A Cytokinesis Metaphase |
| D. | B Metaphase |
| Answer» C. A Cytokinesis Metaphase | |
| 3869. |
Spindle fibre shorten. |
| A. | Prophase |
| B. | Telophase |
| C. | Metaphase |
| D. | Anaphase |
| Answer» E. | |
| 3870. |
Which process is indicated by given diagram ? |
| A. | Cell division during formation of reproductive cells. |
| B. | Cell division in somatic cells. |
| C. | (a) and (b) both |
| D. | Amitosis |
| Answer» B. Cell division in somatic cells. | |
| 3871. |
How does the pairs of homologous chromosomes appear during zygotene phase ? |
| A. | Univalent |
| B. | Trivalent |
| C. | Tetravalent |
| D. | Bivalent |
| Answer» E. | |
| 3872. |
Cytokinesis is generally, but not always, seen in mitosis. If cells undergo mitosis and do not followcytokinesis then it would result in : |
| A. | Cells with abnormal small nuclei |
| B. | Ensuring genetic homogeneity of cell |
| C. | A cell with a single large nucleus |
| D. | A cell with two or more nuclei |
| Answer» E. | |
| 3873. |
Nucleus is reformed |
| A. | Telophase-I |
| B. | Prophase-II |
| C. | Anaphase-II |
| D. | Metaphase-II |
| Answer» B. Prophase-II | |
| 3874. |
In which of the following stages chromosomes are not seen clearly ? |
| A. | Leptotene |
| B. | Prophase-II |
| C. | Diplotene |
| D. | Metaphase-III |
| Answer» C. Diplotene | |
| 3875. |
In the plant cell, cytokinesis occurs by |
| A. | Separation of the cytoplasm from the periphery to central region. |
| B. | Separation of the cytoplasm throughout the equatorial plane simultaneously |
| C. | Separation of the cytoplasm from cell centre to its periphery |
| D. | Following of cytoplasm from two side at right angles to the plane of spindle pole |
| Answer» D. Following of cytoplasm from two side at right angles to the plane of spindle pole | |
| 3876. |
Crossing over involves....... |
| A. | Duplication of chromosome |
| B. | Deletion of chromosomes |
| C. | Exchange of genetic matetial |
| D. | Addition of chromosome |
| Answer» D. Addition of chromosome | |
| 3877. |
Select the correct option from Column-I and Column-II._ans_key_Column-I Column-II_ans_key_(A) G1 phase (p) Synthesis of new DNA_ans_key_(B) G2 phase (q) Synthesis of DNA does not occur_ans_key_(C) S phase (r) DNA synthesis stops |
| A. | (A - r) (B - p) (C - q) |
| B. | (A - p) (B - r) (C - q) |
| C. | (A - r) (B - q) (C - p) |
| D. | (A - q) (B - r) (C - p) |
| Answer» E. | |
| 3878. |
Which of the following cell can complete one cell cycle in 90 minutes ? |
| A. | Plant cell |
| B. | Animal Cell |
| C. | Angal cel |
| D. | Yeast Cell |
| Answer» E. | |
| 3879. |
Mitosis can occur in |
| A. | Haploid and diploid cells both |
| B. | Pollen mother cells |
| C. | Haploid cell only |
| D. | Diploid cell only |
| Answer» B. Pollen mother cells | |
| 3880. |
Due to crossing over, an opportunity for the exchange of genes becomes possible. |
| A. | S - phase |
| B. | Cell Cycle |
| C. | Significance of meiosis |
| D. | G2 phase |
| Answer» D. G2 phase | |
| 3881. |
Genetic homogeneity and exact similarity between chromosomes of various cell within the sametype of issue of plant is due to : |
| A. | Cytokinesi |
| B. | Meiosis |
| C. | Mitosis |
| D. | Fertilization |
| Answer» D. Fertilization | |
| 3882. |
Which plant material is best suited for studying mitosis in class room ? |
| A. | Root tip |
| B. | Anther |
| C. | Pieces of bark |
| D. | Shoot apex |
| Answer» B. Anther | |
| 3883. |
How many time is the genetic material replicated during meiosis ? |
| A. | Twice |
| B. | Once |
| C. | Four times |
| D. | None of the above |
| Answer» C. Four times | |
| 3884. |
Select the correct option from Column-I and Column-II._ans_key_Column-I Column-II_ans_key_(A) Leptotene (p) Synapsis_ans_key_(B) Zygotene (q) Formation of bipolar spindle_ans_key_(C) Pachytene (r) Condensation of chromosones_ans_key_(D) Diakinesis (s) Crossing over |
| A. | (A - s) (B - s) (C - p) (D - q) |
| B. | (A - r) (B - r) (C - s) (D - p) |
| C. | (A - r) (B - r) (C - s) (D - q) |
| D. | (A - q) (B - q) (C - s) (D - r) |
| Answer» D. (A - q) (B - q) (C - s) (D - r) | |
| 3885. |
In animal cell........ |
| A. | constriction of cytoplasm begins from the peripheral region of the cell. |
| B. | middle lamella made up of pectin develops. |
| C. | constriction of cytoplasm begins from the centre of the cell. |
| D. | (a) and (b) both |
| Answer» D. (a) and (b) both | |
| 3886. |
Which of the following statement is true for prophase ? |
| A. | At the end of this phase chromosomes disappear. |
| B. | In this phase condensation of chromosome takes place along their lengths. |
| C. | At the end of this phase nuclear membrane is formed |
| D. | Centriole divides and arranged on opposite pole. |
| Answer» C. At the end of this phase nuclear membrane is formed | |
| 3887. |
Spindle fibres are composed of : |
| A. | Lipid |
| B. | Pectins |
| C. | Proteins |
| D. | Cellulose |
| Answer» D. Cellulose | |
| 3888. |
At which of the following stage4s of cell cycle proteins and microtubules, required for mitosis, are synthesized ? |
| A. | G2 phase |
| B. | G1 phase |
| C. | Interphase |
| D. | M phase |
| Answer» B. G1 phase | |
| 3889. |
During meiosis centromere divides : |
| A. | Only one at anaphase - II |
| B. | Only once at anaphase – I |
| C. | Twice in meiosis – I & II |
| D. | Twice in each cell at the end of anaphase – I & II |
| Answer» B. Only once at anaphase – I | |
| 3890. |
When synapsis is completed all along the chromosome, the cell is said to have entered a stage called : |
| A. | zygotene |
| B. | pachytene |
| C. | diplotene |
| D. | diakinesis |
| Answer» C. diplotene | |
| 3891. |
The separation of two chomatids of each chromosome during early anaphase is initiated by : |
| A. | The interaction of centromere with the chromosomal fibres. |
| B. | The elongation of metaphytic spindle |
| C. | Attachment of spindle fibres with Kinetochore |
| D. | All the above |
| Answer» D. All the above | |
| 3892. |
The nuclear membrane disintegrates and spindle appears at : |
| A. | Prometaphase |
| B. | Early prophase |
| C. | Late telophase |
| D. | Late prophase |
| Answer» E. | |
| 3893. |
During which phase of prophase-I of meiosis does the process of synapsis occur ? |
| A. | Pachytene |
| B. | Zygotene |
| C. | Leptotene |
| D. | Diplotene |
| Answer» C. Leptotene | |
| 3894. |
During which of the following phases of mitosis asters appear around the centroles ? |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphase |
| D. | Telophase |
| Answer» B. Metaphase | |
| 3895. |
How many mitotic divisions must occur in a cell to form 1024 cells ? |
| A. | 20 |
| B. | 10 |
| C. | 40 |
| D. | 64 |
| Answer» C. 40 | |
| 3896. |
The role of mitosis is not merely to divide a cell into two daugher cells but to ensure genetic continuity from one cell generation. The mechanism ensuring genetic continutity is; |
| A. | Formation of two cells with identical DNA |
| B. | The new cells have half the number of chromosomes. |
| C. | Formation of cell by new chromosome |
| D. | Formation of two daughter cells |
| Answer» B. The new cells have half the number of chromosomes. | |
| 3897. |
In mitosis the daughter cells resemble to their parent cell. But in meiosis they differ not only from parent cell in having half the number of chromosomes, but also differ among themselves qualitatively in genetic constitution due to..... |
| A. | Segragation and crossing over only |
| B. | Independent assortment and segregation only |
| C. | Crossing over, independent assortment and segregation |
| D. | Independent assortment and crossing over only |
| Answer» D. Independent assortment and crossing over only | |
| 3898. |
The difference in the division of a plant cell and animal cell is in..... |
| A. | Cell membrane formation |
| B. | Spindle formation |
| C. | Movement of chromosomes from equatorial plane |
| D. | Coiling of the chromosomes |
| Answer» B. Spindle formation | |
| 3899. |
The telophase stage of mitosis is……. |
| A. | The last stage of karyokinesis |
| B. | More or less opposite of prophase stage. |
| C. | The stage where spindle fibres are abosorbed in cytoplasm |
| D. | All of the above |
| Answer» E. | |
| 3900. |
At which stage, the homologous chromosomes separate due to repulsion, but are yet held by chiasmata : |
| A. | Zygotene |
| B. | Pachytene |
| C. | Diplotene |
| D. | Diakinesis |
| Answer» D. Diakinesis | |