MCQOPTIONS
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MCQOPTIONS
This section includes 1275 Mcqs, each offering curated multiple-choice questions to sharpen your Biology Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
A group of ribosomes attached to mRNA is known as___________? |
| A. | Polymer |
| B. | Polypeptide |
| C. | Polysomes |
| D. | Monomer |
| Answer» D. Monomer | |
| 52. |
Kingdom Fungi includes_______________? |
| A. | A cellular, eukaryotic organisms |
| B. | Non-chlorophylls, multicellular eukaiyotlc organisms |
| C. | Non-chlorophylls, multioellular,thailophytic organisms |
| D. | Chlorophyllus, multicellular, eukaryotic Organisms |
| Answer» D. Chlorophyllus, multicellular, eukaryotic Organisms | |
| 53. |
On wound __________ fight foreign particles, like bacteria? |
| A. | White Blood cells |
| B. | Red Blood Cells |
| C. | Platelets |
| D. | Plasma |
| Answer» B. Red Blood Cells | |
| 54. |
The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called ? |
| A. | Environmental biology |
| B. | Social biology |
| C. | Human biology |
| D. | Both b and c |
| Answer» C. Human biology | |
| 55. |
Sythetic insulin from pork was formed by which technique? |
| A. | Biotechnology |
| B. | Social biological techniques |
| C. | Parasitology |
| D. | Both a and c |
| Answer» B. Social biological techniques | |
| 56. |
Blood is carried towards the heart by __________? |
| A. | Arteries |
| B. | Capillaries |
| C. | Veins |
| D. | none of these |
| Answer» D. none of these | |
| 57. |
Out of 92 naturally occurring chemical elements how many are considered as bio-elements? |
| A. | 6 |
| B. | 16 |
| C. | 26 |
| D. | 15 |
| Answer» C. 26 | |
| 58. |
Members of one species inhabiting the same are form__________? |
| A. | Species |
| B. | Community |
| C. | Ecosystem |
| D. | Population |
| Answer» E. | |
| 59. |
__________ is essential for the formation of hemoglobin. |
| A. | Calcium |
| B. | Iron |
| C. | Water |
| D. | Carbohydrates |
| Answer» C. Water | |
| 60. |
Robert Hooke discovered_____________? |
| A. | Nucleus |
| B. | Mitochondria |
| C. | Cell |
| D. | DNA |
| Answer» D. DNA | |
| 61. |
___________ are needed as a source of energy for the vital activities of the body? |
| A. | Calcium |
| B. | Iron |
| C. | Water |
| D. | Carbohydrates |
| Answer» E. | |
| 62. |
Steps Involved in scientific method are ? |
| A. | Hypothesis –>Accumulated data –> observation & experimentation –> conclusion |
| B. | New data —> Conclusion —> Accumulated data —> Observation & experimentation |
| C. | Accumulated data – New data – Observation & experimentation – Hypothesis –> Conclusion |
| D. | Accumulated data —> Hypothesis –> Observation & experimentation —> New data —> Conclusion |
| Answer» E. | |
| 63. |
A group of very similar inter breeding organisms constitutes? |
| A. | Biosphere |
| B. | Ecosystem |
| C. | Population |
| D. | Species |
| Answer» E. | |
| 64. |
Which Vitamin is needed for the formation of a light-sensitive pigment in the retina. |
| A. | Vitamin A |
| B. | Vitamin C |
| C. | Vitamin D |
| D. | B complex |
| Answer» B. Vitamin C | |
| 65. |
The branch in which organism’s life cycle, mode of transmission and interaction with their hosts are studied is: |
| A. | Anatomy |
| B. | Physiology |
| C. | Parasitology |
| D. | Social Biology |
| Answer» D. Social Biology | |
| 66. |
Malaria is associated with___________? |
| A. | Culex Mosquito |
| B. | Culiesta Mosquito |
| C. | Anopheles Mosquito |
| D. | Culex & Anopheles Mosquito |
| Answer» D. Culex & Anopheles Mosquito | |
| 67. |
Organelles are_______________? |
| A. | Unicellular structures |
| B. | Multi-cellular structures |
| C. | Sub-cellular structures |
| D. | Non-cellular structures |
| Answer» D. Non-cellular structures | |
| 68. |
Immunization by vaccination was first introduced by? |
| A. | Fleming in 1945 |
| B. | Florey & Chain in 1975 |
| C. | Flore & Chain in 1795 |
| D. | Edward Jenner in 1795 |
| Answer» E. | |
| 69. |
The molecules of living matter that provide building blocks are mostly based on: |
| A. | Carbon |
| B. | Nitrogen |
| C. | Hydrogen |
| D. | Ammonia |
| Answer» B. Nitrogen | |
| 70. |
A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as: |
| A. | An organ |
| B. | An organism |
| C. | A Tissue |
| D. | A Cell |
| Answer» D. A Cell | |
| 71. |
Dolly, the sheep was a highly successful clone from a somatic cell, reported back in________? |
| A. | 1993 |
| B. | 1994 |
| C. | 1995 |
| D. | 1996 |
| Answer» E. | |
| 72. |
Human blood is an example of__________? |
| A. | Organelle |
| B. | Tissues |
| C. | Organic compound |
| D. | Inorganic compounds |
| Answer» C. Organic compound | |
| 73. |
With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the ? |
| A. | Cells |
| B. | Tissues |
| C. | Organs |
| D. | Organ System |
| Answer» B. Tissues | |
| 74. |
Functional unit of DNA Is____________? |
| A. | Nucleus |
| B. | Genes |
| C. | Chromosomes |
| D. | Nucleolus |
| Answer» C. Chromosomes | |
| 75. |
An educated guess is called: |
| A. | Accumulated Data |
| B. | Observation |
| C. | Hypothesis |
| D. | Conclusion |
| Answer» D. Conclusion | |
| 76. |
Who first observed and thus hypothesized that new cells are formed from previously existing living cell? |
| A. | Theodor Schwann and Schleiden |
| B. | Rudolph Virchows |
| C. | Louis Pasteur |
| D. | Both b and c |
| Answer» C. Louis Pasteur | |
| 77. |
Crop rotation helps in______________? |
| A. | Growth of pathogens |
| B. | Soil Infertility |
| C. | Slowing of crops growth |
| D. | Eradication of disease |
| Answer» E. | |
| 78. |
Which character differentiates living things from non-living organisms? |
| A. | They live in the same ecosystem |
| B. | They are highly organized and complex made of one or more cells and contain genetic material |
| C. | They are acted upon by the same environment |
| D. | Both a and b |
| Answer» C. They are acted upon by the same environment | |
| 79. |
People living in high altitudes (like mountains) usually have a _________? |
| A. | smaller number of Red Blood Cells |
| B. | larger number of Red Blood Cells |
| C. | smaller number of White Blood Cells |
| D. | larger number of White Blood Cells |
| Answer» C. smaller number of White Blood Cells | |
| 80. |
The study of fossils is called? |
| A. | Environmental Biology |
| B. | Historical biology |
| C. | Palaeontology |
| D. | Social biology |
| Answer» D. Social biology | |
| 81. |
About __________ of the body weight of a mammal is water ? |
| A. | 60% |
| B. | 65% |
| C. | 70% |
| D. | 75% |
| Answer» D. 75% | |
| 82. |
Percentage of water in brain cells is_______? |
| A. | 20% |
| B. | 65% |
| C. | 85% |
| D. | 89% |
| Answer» D. 89% | |
| 83. |
Haemodialysis means cleaning of____________? |
| A. | Urine |
| B. | Blood |
| C. | Glomerular filterate |
| D. | Coelomic fluid |
| Answer» C. Glomerular filterate | |
| 84. |
In animals coordination is achieved by means of? |
| A. | Nervous system |
| B. | Endocrine system |
| C. | Respiratory system |
| D. | Both A and B |
| Answer» E. | |
| 85. |
Production of sweat and sebum is related with ? |
| A. | Skin |
| B. | Liver |
| C. | Lungs |
| D. | GIT |
| Answer» B. Liver | |
| 86. |
Polysome is formed during __________ process? |
| A. | Transcription |
| B. | Secretion |
| C. | Translation |
| D. | Division |
| Answer» D. Division | |
| 87. |
Ribosomes are tiny Granules first studied in 1955 by__________? |
| A. | De-Duve |
| B. | Schwann |
| C. | August Weismann |
| D. | Palade |
| Answer» E. | |
| 88. |
Virus consist of Parts:__________? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 89. |
Who is Called the Father of Demography? |
| A. | ALAN Turing |
| B. | John Dalton |
| C. | Charles Babbage |
| D. | IBN KHALDUN |
| Answer» E. | |
| 90. |
Extreme change in pH results in______________? |
| A. | Change in ionization of amino acids at the active site of the enzyme |
| B. | Change in the ionization of the substrate |
| C. | Denaturation of the enzyme |
| D. | Increase in the reaction rate |
| Answer» D. Increase in the reaction rate | |
| 91. |
Excessive increase in temperature of medium causes the enzyme molecule to____________? |
| A. | Activate |
| B. | Unaffected |
| C. | Denatured |
| D. | None of these |
| Answer» D. None of these | |
| 92. |
I can break down fatty acid to succinate__________? |
| A. | Peroxisome |
| B. | Glyoxisome |
| C. | Lysosome |
| D. | Golgi bodies |
| Answer» C. Lysosome | |
| 93. |
Mitosis is divided into_____________? |
| A. | Karyokinesis |
| B. | Cytokinesis |
| C. | Interphase |
| D. | Both a & b |
| Answer» E. | |
| 94. |
Taking in liquid material into the cells is known as_________? |
| A. | Phagocytosis |
| B. | Pinocytosis |
| C. | Exocytosis |
| D. | Both a and b |
| Answer» C. Exocytosis | |
| 95. |
Ribosomes and DNA are also present in_________? |
| A. | mitochondria |
| B. | golgi complex |
| C. | endoplasmic reticulum |
| D. | lysosomes |
| Answer» B. golgi complex | |
| 96. |
7 Secretions are products formed within cell on__________? |
| A. | E.R |
| B. | Golgi bodies |
| C. | Ribosome |
| D. | Nucleus |
| Answer» C. Ribosome | |
| 97. |
In 1831, the presence of nucleus in the cells was reported by__________? |
| A. | Robert Koch |
| B. | Robert Hooke |
| C. | Robert Mug Abe |
| D. | Robert Brown |
| Answer» E. | |
| 98. |
Salivary glands present in front of ear are___________? |
| A. | Sublingual |
| B. | Submaxillary |
| C. | Submandibular |
| D. | Parotid |
| Answer» E. | |
| 99. |
Which character differentiates living things from non-living organisms___________? |
| A. | They live in the same ecosystem. |
| B. | They are acted upon by the same environment |
| C. | They are highly organized and complex made of one or more cells and contain genetic material |
| D. | Both a and b |
| Answer» D. Both a and b | |
| 100. |
A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________? |
| A. | Substrate |
| B. | Co-factor |
| C. | Inhibitor |
| D. | Promotor |
| Answer» D. Promotor | |