MCQOPTIONS
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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.
| 3801. |
During respiration...... |
| A. | O2 is produced and CO2 is consumed |
| B. | O2 is consumed and CO2 is produced |
| C. | Both O2 and CO2 are produced |
| D. | Both O2 and CO2 are consumed. |
| Answer» C. Both O2 and CO2 are produced | |
| 3802. |
Respiration,occures in the presence of oxygen in called |
| A. | Fermentation |
| B. | Anaerobic respiration |
| C. | Glycolysis |
| D. | Aerobic respiration |
| Answer» E. | |
| 3803. |
Lymph (nodes) glands form |
| A. | Hormones |
| B. | Lymphs |
| C. | Antigens |
| D. | Antibodies |
| Answer» E. | |
| 3804. |
Which of the following are granular WBCs ? (Manipal - 2002) |
| A. | Neutrophils,Basophils, Lymphocytes |
| B. | Eosinophil, Basophil, Monocytes |
| C. | Basophils, Monocytes, Lymphocytes |
| D. | Neutrophils, Eosinophils, Basophils |
| Answer» E. | |
| 3805. |
A respiratory surface must be ? |
| A. | Thin |
| B. | Moist |
| C. | Wide spread |
| D. | All these. |
| Answer» E. | |
| 3806. |
Which one of the following human organs is often called the “graveyard”? (AIPMT 2012-M) |
| A. | Albumin |
| B. | Serum amylase |
| C. | Globulin |
| D. | Fibrinogen |
| Answer» E. | |
| 3807. |
What is called the Upper region of Pharynx in man ? |
| A. | Oropharynx |
| B. | Nasopharynx |
| C. | Laryngopharynx |
| D. | None of these |
| Answer» C. Laryngopharynx | |
| 3808. |
Give full form of FOAM. |
| A. | Friends of Arcata Marsh |
| B. | Friends of Arctic Marsh |
| C. | Friends of Antarctic Marsh |
| D. | Foam of Arcata Marsh |
| Answer» B. Friends of Arctic Marsh | |
| 3809. |
Match the following :_ans_key_Coulmn-I Coulmn-II_ans_key_(A) G1 Phase (i) Synthesis of proteins and Microtubules_ans_key_(B) S Phase (ii) Growth phase_ans_key_(C) G2 Phase (iii) Replication of DNA |
| A. | (A - i) (B - ii) (C - iii) |
| B. | (A - iii) (B - ii) (C - i) |
| C. | (A - ii) (B - iii) (C - i) |
| D. | (A - i) (B - iii) (C - ii) |
| Answer» D. (A - i) (B - iii) (C - ii) | |
| 3810. |
Give full form of 2-4-D |
| A. | 2-4 dichloro phenoxy acetic acid |
| B. | 2-4 dichloro butyric acid |
| C. | 2-4 dichloro nepthalic acetic acid |
| D. | 2-4 dichloro ethylenic acid |
| Answer» B. 2-4 dichloro butyric acid | |
| 3811. |
Lymph is colourless because (MP PMT 1999) |
| A. | WBC are absent |
| B. | WBC are present |
| C. | Heamoglobin is absent |
| D. | RBC are |
| Answer» D. RBC are | |
| 3812. |
Which of the following statement is/are correct for Meiosis-II ?_ans_key_(i) Chromosomes are arranged on equatorial plate in prophase-II_ans_key_(ii) Nucleolus disappear during telophase-II_ans_key_(iii) In anaphase-II, the chromatids with their independent centromeres are called chromosomes._ans_key_(iv) In metaphase-II, centromere of each chromosome becomes attached to filament of bipolar spindle. |
| A. | only (i) and (ii) |
| B. | only (iii) and (iv) |
| C. | only (i), (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» C. only (i), (ii) and (iii) | |
| 3813. |
Write full form of ACTH? |
| A. | Adrenal Cortical Tropic hormone |
| B. | Adrenocortico Target hormone |
| C. | Adrenocortex Tropic hormone |
| D. | Adrenocortico Tropic hormone |
| Answer» E. | |
| 3814. |
Full form of GMO is - |
| A. | Genetically mutant organism |
| B. | Genetically modern organism |
| C. | Genetically modified organism |
| D. | Genetically transferred organism |
| Answer» D. Genetically transferred organism | |
| 3815. |
What is full form of FSH. |
| A. | Follicular Stimulating Hormone. |
| B. | Follicle Stimular Hormone. |
| C. | Follicle Stimulating Hormone. |
| D. | Follicular Stimular Hormone. |
| Answer» D. Follicular Stimular Hormone. | |
| 3816. |
State the full form of IAA (NCRT 1974) |
| A. | Indole- 3 acetic anhydrase |
| B. | Indole-3 acetic acid |
| C. | Indole- 3 aceto acetate |
| D. | Indole-3 aceto-acetic |
| Answer» C. Indole- 3 aceto acetate | |
| 3817. |
What is full form of ANF? |
| A. | Atrial Natriuretic factor |
| B. | Atrial Natural Factor |
| C. | Anti Natriuretic Factor |
| D. | Anti Nutrient Factor |
| Answer» B. Atrial Natural Factor | |
| 3818. |
A. During interphase, chromosomes are recognized as chromatin network. R. Chromosomes are highly dispersed during this phase. |
| A. | Both A and R are true and R is correct explanation of A. |
| B. | Both A and R are true and R is not correct explanation of A |
| C. | A is true and R is wrong |
| D. | I is wrong and R is true |
| Answer» B. Both A and R are true and R is not correct explanation of A | |
| 3819. |
Which of the following statement is/are correct for prophase of mitosis ?_ans_key_(i) At the end of this phase nuclear membrane and nucleolus disintegrate._ans_key_(ii) At the end of this phase two chromosome and a centromere holding them together._ans_key_(iii) This phase begins with the condensation of chromatids along their lengths. |
| A. | (i) only |
| B. | only (i) and (ii) |
| C. | only (ii) and (iii) |
| D. | (i) and (iii) |
| Answer» B. only (i) and (ii) | |
| 3820. |
Full form of RUBISCO is: |
| A. | Ribulose Bisulphate Carboxylase Oxygenare |
| B. | Ribuose Biphosphate Carboxylase Oxygenare |
| C. | Ribuose Bisulphate Carboxylase Oxygenare |
| D. | Ribulose Biphosphate Carboxylase Oxygenare |
| Answer» E. | |
| 3821. |
Match the following :_ans_key_Coulmn-I Coulmn-II_ans_key_(A) Cytokinesis (i) Reformation of nuclear Membrane and golgi body_ans_key_(B) Metaphase (ii) Synthesis of RNA and protein_ans_key_(C) Telophase (iii) Centromers of chmosomes are arranged on equatorial plate._ans_key_(D) Interphase (iv) Contraction of chomosomes starts_ans_key_(v) The formation of synctium |
| A. | (A - i) (B - ii) (C - iii) (D - iv) |
| B. | (A - iv) (B - iii) (C - i) (D - ii) |
| C. | (A - iv) (B - ii) (C - i) (D - iv) |
| D. | (A - iv) (B - iii) (C - ii) (D - i) |
| Answer» D. (A - iv) (B - iii) (C - ii) (D - i) | |
| 3822. |
A. During meiosis, the genetic material is replicated twice whereas the cell divides one. R. Meiosis takes place in plants and animals during the formation of reproductive cells. |
| A. | Both A and R are true and R is correct explanation of A. |
| B. | Both A and R are true and R is not correct explanation of A |
| C. | A is true and R is wrong |
| D. | A is wrong and R is true |
| Answer» E. | |
| 3823. |
Match the following :_ans_key_Coulmn-I Coulmn-II_ans_key_(A) Prophase (i) Nuclear membrane and other orgenelles reorganise_ans_key_(B) Metaphase (ii) Arrangement of chromatids on the poles_ans_key_(C) Anaphase (iii) Formation of cytoplasmic fibres of proteins_ans_key_(D) Telophase (iv) Arranged on equatorial plane_ans_key_(E) Cytokinesis (v) The formation of syncytium |
| A. | (A - i) (B - ii) (C - iii) (D - iv) (E - v) |
| B. | (A - iii) (B - iv) (C - ii) (D - i) (E - v) |
| C. | (A - v) (B - iv) (C - iii) (D - ii) (E - i) |
| D. | (A - ii) (B - iii) (C - iv) (D - v) (E - i) |
| Answer» C. (A - v) (B - iv) (C - iii) (D - ii) (E - i) | |
| 3824. |
A. The meiotic division-I is also called reduction division.R. During this the chromosomes are distributed in two cells in half their number. |
| A. | Both A and R are true and R is correct explanation of A. |
| B. | Both A and R are true and R is not correct explanation of A |
| C. | A is true and R is wrong |
| D. | A is wrong and R is true |
| Answer» B. Both A and R are true and R is not correct explanation of A | |
| 3825. |
Indentify the correct sequence of karyokinesis stages : |
| A. | Prophase, Anaphase, Metaphase, Telophase |
| B. | Prophase, Metaphase, Anaphase, Telophase |
| C. | Prophase, Telophase, Metaphase, Anaphase |
| D. | Prophase, Metaphase, Telophase, Anaphase |
| Answer» C. Prophase, Telophase, Metaphase, Anaphase | |
| 3826. |
For the statement ‘X’ and statement ‘Y’ which of the following option is correct ? Statement – ‘X’ :During meiosis the genetic material is replicated once. Statement – ‘Y’ : Genetic material is not replicated during interkinesis. |
| A. | Both statements ‘X’ and ‘Y’ are correct |
| B. | ‘X’ is correct and ‘Y’ is wrong |
| C. | Both statements ‘X’ and ‘Y’ are wrong |
| D. | ‘X’ is wrong and ‘Y’ is correct |
| Answer» B. ‘X’ is correct and ‘Y’ is wrong | |
| 3827. |
Which of the following statement is/are correct for Prophase-I ?_ans_key_(i) During diplotene, the members of each pair of homologous chromosomes start moving away from one another._ans_key_(ii) In zygotene, bivalent chromosomes appear tetravalent._ans_key_(iii) In diakinesis, chromatids become separated even at the site of chiasmata. |
| A. | only (i) |
| B. | only (ii) |
| C. | only (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» D. (i), (ii) and (iii) | |
| 3828. |
Which is the true statement for mitosis ? |
| A. | Cell formed by it performs diverse functions i.e. show division of labour |
| B. | The number of chromosomes in the new cells are half than that of the parent cell. |
| C. | Two cells are formed as a result of this division are identical in all aspects. |
| D. | Cells formed as a result of mitosis have different genetic characters. |
| Answer» D. Cells formed as a result of mitosis have different genetic characters. | |
| 3829. |
Statement – P : Interphase is divided in three sub phases. Statement – Q : G1 phase is the initial phase of interphase. |
| A. | Statement P and Q both are correct |
| B. | Statement P is correct statement Q is wrong |
| C. | Statement P is wrong and statement Q is correct |
| D. | Statement P and Q both are wrong |
| Answer» B. Statement P is correct statement Q is wrong | |
| 3830. |
Statement – P : G1 stage is the last stage or interphase. Statement – Q : Systhesis of DNA takes place in G2 stage. |
| A. | Statement P and Q both are correct |
| B. | Statement P is correct statement Q is wrong |
| C. | Statement P is wrong and statement Q is correct |
| D. | Statement P and Q both are wrong |
| Answer» E. | |
| 3831. |
Match the following :_ans_key_Coulmn-I Coulmn-II_ans_key_(A) Laptotene (i) Nucleolus disappears_ans_key_(B) Zygotence (ii) Appearance of recombination nodules_ans_key_(C) Pachytene (iii) Develoment of Synapsis_ans_key_(D) Diplotene (iv) Chromosome appears filamentous_ans_key_(E) Daikinesis (v) Genes exchange at chaismata |
| A. | (A - iv) (B - iii) (C - ii) (D - v) (E - i) |
| B. | (A - i) (B - ii) (C - iii) (D - iv) (E - v) |
| C. | (A - v) (B - iv) (C - iii) (D - ii) (E - i) |
| D. | (A - ii) (B - iii) (C - iv) (D - r) (E - i) |
| Answer» B. (A - i) (B - ii) (C - iii) (D - iv) (E - v) | |
| 3832. |
Which of the following statement is true for mitosis ? |
| A. | Cytokinesis and karyokinesis occur together |
| B. | Cytokinesis and karyokinesis are random |
| C. | Cytokinesis preceedes karyokinesis |
| D. | Karyokinesis preceedes cytokinesis |
| Answer» E. | |
| 3833. |
Statement – P : In ‘S’ stage centrosome is duplicated Statement – Q : In the prophase centrioles separate from each other and move towards the opposite poles. |
| A. | Statement P and Q both are correct |
| B. | Statement P is correct statement Q is wrong |
| C. | Statement P is wrong and statement Q is correct |
| D. | Statement P and Q both are wrong |
| Answer» D. Statement P and Q both are wrong | |
| 3834. |
“The number of chiasmata depends on chromosomes” – What is the mistake in the given statement ? |
| A. | Width of chromosome – Word in not mentioned |
| B. | Size of chromosome – Word is not mentioned |
| C. | Number of chromosome – Word is not mentioned |
| D. | Length of chromosome – Word is not mentioned |
| Answer» E. | |
| 3835. |
From the following which pair does not match ? |
| A. | S – state – Synthesis of DNA |
| B. | Meiosis – One parental cell produces two daughter cells |
| C. | Anaphase – Each chomatid with independent centromere. |
| D. | Zygotene - Synapsis |
| Answer» C. Anaphase – Each chomatid with independent centromere. | |
| 3836. |
Find out the incorrect pair. |
| A. | Telophase – Chromatin is observed |
| B. | G1 phase – New DNA is synthesized |
| C. | Prophase – nuclear membrane disintegrates |
| D. | Zygotene - Synapsis |
| Answer» C. Prophase – nuclear membrane disintegrates | |
| 3837. |
A. Number of chiasmata is more in longer chromosomes.R. The number of chiasmata depends on the length of chromosomes. |
| A. | Both A and R are true and R is correct explanation of A. |
| B. | Both A and R are true and R is not correct explanation of A |
| C. | A is true and R is wrong |
| D. | A is wrong and R is true |
| Answer» B. Both A and R are true and R is not correct explanation of A | |
| 3838. |
A. G1 phase is also called growth phase. R. There is a lot of biosynthetic activity during |
| A. | Both A and R are true and R is correct explanation of A. |
| B. | Both A and R are true and R is not correct explanation of A |
| C. | A is true and R is wrong |
| D. | A is wrong and R is true |
| Answer» B. Both A and R are true and R is not correct explanation of A | |
| 3839. |
Which is the physical barrier method for familly planing in females ? |
| A. | Condom for male |
| B. | Condom for female |
| C. | Diaphragm. |
| D. | Both b and c |
| Answer» E. | |
| 3840. |
Match the following :_ans_key_Coulmn-I Coulmn-II_ans_key_(A) Prophase-I (i) Chromosomes move toward one plane along with centromere._ans_key_(B) Metaphase-II (ii) Half the number of chromosomes in seen_ans_key_(C) Anaphase-I (iii) Longest phase of meiosis-I_ans_key_(D) Telophase-I (iv) Two nuclei are seen |
| A. | (A - iii) (B - i) (C - ii) (D - iv) |
| B. | (A - i) (B - ii) (C - iii) (D - iv) |
| C. | (A - ii) (B - iii) (C - iv) (D - i) |
| D. | (A - iv) (B - i) (C - i) (D - iii) |
| Answer» B. (A - i) (B - ii) (C - iii) (D - iv) | |
| 3841. |
What is the rank of India to kick off action plans and programs at national level to get total reproductivehealth as a social goal ? |
| A. | First |
| B. | Second |
| C. | Third |
| D. | Fourth |
| Answer» B. Second | |
| 3842. |
According to WHO, reproductive health means a total well-being in all aspects of reproduction like.. |
| A. | Physical, Emotional, Behavioral, Social |
| B. | Physical, Mental, Health, Sexual Habits, Healthy body |
| C. | Physical, Mental, Behevioural, Devlopment of sexual organs |
| D. | Physical, Mental, Emtional, Social |
| Answer» B. Physical, Mental, Health, Sexual Habits, Healthy body | |
| 3843. |
What was the population of india during independence (in millions) |
| A. | 335 |
| B. | 338 |
| C. | .352 |
| D. | 342 |
| Answer» E. | |
| 3844. |
In which countries of Europe the population has decreased ? |
| A. | Itally, Spain |
| B. | Itally, Germany |
| C. | Spain, Russia |
| D. | Switzerland |
| Answer» B. Itally, Germany | |
| 3845. |
What is the rank of India in population growth.? |
| A. | First |
| B. | Second |
| C. | Third |
| D. | Fourth |
| Answer» C. Third | |
| 3846. |
What are the major tasks under reprouctive and child health care programs ? |
| A. | Create awareness about reproductive health among people |
| B. | Educate people about reproductive process |
| C. | Establish reproductive health care in society |
| D. | Both (a) and (c). |
| Answer» E. | |
| 3847. |
What are the requirments for the successful implemenattion of sex education programs ? |
| A. | Professional expertise |
| B. | Materials and tools |
| C. | Qntrastructure |
| D. | All obove |
| Answer» E. | |
| 3848. |
What percentage of region does indian population occupy ? |
| A. | 2.4% |
| B. | 3.4% |
| C. | 4.4% |
| D. | 5.4% |
| Answer» B. 3.4% | |
| 3849. |
Which of the following is not a natural familly planing method ? |
| A. | Periodis abstinence |
| B. | Interruption coitus |
| C. | Chemical method |
| D. | Lactational amenorrhea |
| Answer» D. Lactational amenorrhea | |
| 3850. |
What was the increase in population size of our country from 1951 to 1991 ? |
| A. | 362 to 845 |
| B. | 361 to 846 |
| C. | 363 to 847 |
| D. | 384 to 848 |
| Answer» C. 363 to 847 | |