MCQOPTIONS
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MCQOPTIONS
This section includes 1412 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which type of pathogen causes the waterÂ-borne disease E. coli Infection? |
| A. | Protozoan |
| B. | Parasitic |
| C. | Bacterial |
| D. | Viral |
| Answer» D. Viral | |
| 52. |
Which type of pathogen causes the water-borne disease Typhoid fever? |
| A. | Algal |
| B. | Parasitic |
| C. | Protozoan |
| D. | Bacterial |
| Answer» E. | |
| 53. |
Which type of pathogen causes the water-borne disease Dysentery?_x005F_x000D_ |
| A. | Algal |
| B. | Parasitic |
| C. | Protozoan |
| D. | Bacterial |
| Answer» E. | |
| 54. |
Which type of pathogen causes the water-borne disease Ascariasis?_x005F_x000D_ |
| A. | Viral |
| B. | Protozoan |
| C. | Bacterial |
| D. | Parasitic |
| Answer» E. | |
| 55. |
Which type of epithelial tissue forms the lining of kidney tubules and ducts of salivary glands, where it provides mechanical support? |
| A. | Simple squamous epithelial |
| B. | Stratified squamous epithelial |
| C. | Ciliated columnar epithelial |
| D. | Cuboidal epithelial |
| Answer» E. | |
| 56. |
Which type of epithelial tissue allows transportation of substances through a selective permeable surface in the lining of food vessels or lung alveoli?_x005F_x000D_ |
| A. | Simple squamous epithelium |
| B. | Stratified squamous epithelium |
| C. | Ciliated columnar epithelium |
| D. | Cuboidal epithelium |
| Answer» B. Stratified squamous epithelium | |
| 57. |
Which type of cell, skin is made up of: |
| A. | Epidermal cells |
| B. | Connective tissue |
| C. | Permanent tissues |
| D. | Parenchyma |
| Answer» B. Connective tissue | |
| 58. |
Which two functional groups are always found in amino acids? |
| A. | Carbonyl and amine |
| B. | Ketone and amine |
| C. | Amine and carboxyl |
| D. | Aldehyde and amine |
| Answer» D. Aldehyde and amine | |
| 59. |
Which tissue provides support to plants and also stores food?_x005F_x000D_ |
| A. | Parenchyma |
| B. | Collenchyma |
| C. | Sclerenchyma |
| D. | No option is correct |
| Answer» B. Collenchyma | |
| 60. |
Which systems comprise the nervous system? |
| A. | Central nervous system |
| B. | Peripheral nervous system |
| C. | Both A & B |
| D. | None of the above |
| Answer» D. None of the above | |
| 61. |
Which tissue makes the plant hard and stiff? |
| A. | Parenchyma |
| B. | Sclerenchyma |
| C. | Collenchyma |
| D. | Xylem |
| Answer» C. Collenchyma | |
| 62. |
Which three processes are methods of genetic recombination? |
| A. | independent assortment |
| B. | Crossing over |
| C. | fertilization |
| D. | All the above |
| Answer» E. | |
| 63. |
Which subatomic particle determines the identity of an element? |
| A. | Electrons |
| B. | Protons |
| C. | Neutrons |
| D. | All the above |
| Answer» C. Neutrons | |
| 64. |
Which structure is specific to eukaryotic cells? |
| A. | Nucleus |
| B. | DNA |
| C. | Cytoplasm |
| D. | Cell membrane |
| Answer» B. DNA | |
| 65. |
Which structure is not part of the Endomembrane System? |
| A. | Chloroplast |
| B. | Plasma membrane |
| C. | Nuclear envelope |
| D. | Golgi apparatus |
| Answer» B. Plasma membrane | |
| 66. |
Which step happens first in DNA replication? |
| A. | Initiation |
| B. | Elongation |
| C. | Termination |
| D. | None of the above |
| Answer» B. Elongation | |
| 67. |
Which structure is common to plant and animal cells? |
| A. | Centriole |
| B. | Chloroplast |
| C. | Central Vacuole |
| D. | Mitochondria |
| Answer» E. | |
| 68. |
Which statements about viruses are true? |
| A. | HIV contains reverse transcriptase. |
| B. | A retrovirus contains RNA. |
| C. | Both A & B |
| D. | All RNA-containing viruses are retroviruses. |
| Answer» D. All RNA-containing viruses are retroviruses. | |
| 69. |
Which statement regarding the mammalian heart is correct? |
| A. | Blood is pumped from the heart via the atria. |
| B. | Oxygen-loaded blood moves only through the right side of the heart. |
| C. | When the right atrium contracts, it forces blood into the left atrium. |
| D. | In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs. |
| Answer» E. | |
| 70. |
Which statement is true about blood alcohol concentration? |
| A. | The higher the blood alcohol concentration, the more severe the hangover will be. |
| B. | Drinking coffee and exercising will lower your blood alcohol concentration. |
| C. | Blood alcohol concentration is affected by factors such as body size and gender. |
| D. | None of the above |
| Answer» D. None of the above | |
| 71. |
Which statement is one component of the cell theory? |
| A. | DNA is the basis of genetic transfer |
| B. | All living cells arise from pre-existing cells |
| C. | All cells are composed of same organelles |
| D. | Tissues are formed from combinations of cells |
| Answer» C. All cells are composed of same organelles | |
| 72. |
Which statement describes decomposers? |
| A. | Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems. |
| B. | Decomposers can produce their own source of energy and can sometimes act as primary producers. |
| C. | Decomposers are those organisms that recycle matter in the ecosystem.. |
| D. | All the above |
| Answer» D. All the above | |
| 73. |
Which statement correctly describes the role of chance in evolution? |
| A. | An allele that increases evolutionary fitness cannot be lost from a population by chance events. |
| B. | The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA |
| C. | Evolutionary change proceeds by an accumulation of changes that occur by chance. |
| D. | None of the above |
| Answer» C. Evolutionary change proceeds by an accumulation of changes that occur by chance. | |
| 74. |
Which statement concerning the diagnosis of ADHD is true? |
| A. | Boys are more likely to be diagnosed with ADHD than girls |
| B. | Most children "outgrow" symptoms of ADHD |
| C. | About 20 percent of school-age children are diagnosed with ADHD |
| D. | Racial minority status is a good predictor of being diagnosed with ADHD |
| Answer» B. Most children "outgrow" symptoms of ADHD | |
| 75. |
Which statement best describes Arteries? |
| A. | They have thin walls and transport blood away from the heart |
| B. | They have thick walls and transport blood toward the heart |
| C. | They have thin walls and transport blood toward the heart |
| D. | They have thick walls and transport blood away from the heart |
| Answer» E. | |
| 76. |
Which stage of cellular respiration produces the most ATP? |
| A. | Glycolysis |
| B. | Kreb's cycle |
| C. | Electron transport chain |
| D. | All the above |
| Answer» D. All the above | |
| 77. |
Which statement about capillaries is correct? |
| A. | their walls are covered with cilia |
| B. | they warm and humidify inhaled air |
| C. | their walls are only one cell thick |
| D. | they move mucus through the lungs |
| Answer» D. they move mucus through the lungs | |
| 78. |
Which shows a correctly paired DNA molecule? |
| A. | AT |
| B. | TC |
| C. | AC |
| D. | TG |
| Answer» B. TC | |
| 79. |
Which shows the order in which vertebrates evolved?_x005F_x000D_ Â _x005F_x000D_ |
| A. | fish, reptiles, amphibians, birds, mammals_x005F_x000D_ |
| B. | amphibians, fish, reptiles, birds, mammals_x005F_x000D_ |
| C. | amphibians, fish, birds, reptiles, mammals_x005F_x000D_ |
| D. | fish, amphibians, reptiles, birds, mammals |
| Answer» E. | |
| 80. |
Which RNA base pairs with the adenine in DNA? |
| A. | Thymine |
| B. | Cytosine |
| C. | Both A & B |
| D. | Uracil |
| Answer» E. | |
| 81. |
Which process requires no energy from the cell? |
| A. | Osmosis |
| B. | Diffusion |
| C. | Both A & B |
| D. | None of the above |
| Answer» D. None of the above | |
| 82. |
Which process requires cellular energy? |
| A. | Passive transport |
| B. | Active transport |
| C. | Both A & B |
| D. | None of the above |
| Answer» C. Both A & B | |
| 83. |
Which plant tissue is also known as growing tissue? |
| A. | Only permanent tissue |
| B. | Only Meristematic tissue |
| C. | Both Permanent and meristematic tissue |
| D. | Neither Permanent nor meristematic tissue_x005F_x000D_ |
| Answer» C. Both Permanent and meristematic tissue | |
| 84. |
Which process occurs inside the chloroplasts? |
| A. | Photosynthesis |
| B. | Glycolysis |
| C. | Oxidation |
| D. | None of the above |
| Answer» B. Glycolysis | |
| 85. |
Which plant cell organelle contains its own dna and ribosomes? |
| A. | mitochondria |
| B. | Chloroplasts |
| C. | Both A & B |
| D. | Vacuole |
| Answer» D. Vacuole | |
| 86. |
Which phrase best describes rough ER? |
| A. | studded with ribosomes |
| B. | fewer solutes than the cell |
| C. | stored in the central vacuole |
| D. | protected by vesicles |
| Answer» B. fewer solutes than the cell | |
| 87. |
Which permanent tissue makes a plant hard and stiff? |
| A. | Parenchyma |
| B. | Aerenchyma |
| C. | Collenchymas |
| D. | Sclerenchyma |
| Answer» E. | |
| 88. |
Which parts of the heart receive blood from the lungs? |
| A. | Right ventricle |
| B. | Left Atrium |
| C. | Left Ventricle |
| D. | Right ATrium |
| Answer» C. Left Ventricle | |
| 89. |
Which part of the respiratory system does emphysema damage? |
| A. | Nose |
| B. | Lungs |
| C. | Trachea |
| D. | Mouth |
| Answer» C. Trachea | |
| 90. |
Which part of the human reproductive system helps the embryo get its nutrition from the mother's blood? |
| A. | Placenta |
| B. | Fallopian tube |
| C. | Uterus |
| D. | Cervix |
| Answer» B. Fallopian tube | |
| 91. |
Which part of the human brain is the centre for intelligence, memory and emotions? |
| A. | Hypothalamus |
| B. | Cerebrum |
| C. | Corpus Callosum |
| D. | Mid Brain |
| Answer» C. Corpus Callosum | |
| 92. |
Which part of the female reproductive system prepares itself every month to receive and nurture the growing child? |
| A. | Ovary |
| B. | Uterus |
| C. | Vagina |
| D. | Cervix |
| Answer» C. Vagina | |
| 93. |
Which part of the brain regulates breathing? |
| A. | Cerebellum |
| B. | Medulla |
| C. | Fore-brain |
| D. | Mid-brain |
| Answer» C. Fore-brain | |
| 94. |
Which part of the brain plays an important role in motor control? |
| A. | Cerebellum |
| B. | Cerebrum |
| C. | Medulla |
| D. | Pons |
| Answer» B. Cerebrum | |
| 95. |
Which part of the brain is responsible for triggering actions like thinking, intelligence, memory and ability to learn? |
| A. | Diencephalon |
| B. | Hypothalamus |
| C. | Cerebrum |
| D. | Control |
| Answer» D. Control | |
| 96. |
Which part of the brain is responsible for consciousness? |
| A. | Brain stem |
| B. | Cerebrum |
| C. | Cerebellum |
| D. | None of the above |
| Answer» C. Cerebellum | |
| 97. |
Which part of Nervous system controls involuntary actions |
| A. | Medulla oblongata |
| B. | Cerebellum |
| C. | Hypothalamus |
| D. | Spinal cord |
| Answer» B. Cerebellum | |
| 98. |
Which part of flower produces pollen grains that are generally yellowish in color? |
| A. | Sepals |
| B. | Petals |
| C. | Stamens |
| D. | Carpels |
| Answer» D. Carpels | |
| 99. |
Which pair consists of negative symptoms of schizophrenia?_x005F_x000D_ |
| A. | blunted affect and delusions |
| B. | delusions and hallucinations |
| C. | withdrawal and flat affect |
| D. | abolition and hallucinations |
| Answer» E. | |
| 100. |
Which organelles supply energy to the cell? |
| A. | Mitochondria |
| B. | Cytoplasm |
| C. | Ribosomes |
| D. | None of the above |
| Answer» B. Cytoplasm | |