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MCQOPTIONS
This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 12351. |
Which of the following is NOT a feature of having a herniated vertebral disk? |
| A. | Surgical fusion of two adjacent vertebrae will alleviate the problem and cause no reduction in flexibility. |
| B. | Intense back pain is caused when the slipped disk presses against the spinal cord nerves. |
| C. | Surgical procedures can be performed to alleviate the pain of a damaged disk. |
| D. | Herniated disks are most commonly found in the lumbar region of the back. |
| Answer» B. Intense back pain is caused when the slipped disk presses against the spinal cord nerves. | |
| 12352. |
What best describes the function of a tendon? |
| A. | to connect two muscles together |
| B. | to reinforce the structure of a joint and make it stronger |
| C. | to connect two bones together at a joint |
| D. | to connect a muscle to a bone |
| Answer» E. | |
| 12353. |
The greatest number which can divide 1356, 1868 and 2764 leaving the same remainder 12 in each case, is: |
| A. | 64 |
| B. | 65 |
| C. | 66 |
| D. | 67 |
| Answer» B. 65 | |
| 12354. |
The H.C.F. and L.C.M. of two numbers are 11 and 385 respectively. If one number lies between 75 and 125, then that number is: |
| A. | 55 |
| B. | 77 |
| C. | 67 |
| D. | 66 |
| Answer» C. 67 | |
| 12355. |
The product of two numbers is 1320 and their H.C.F. is 6. the L.C.M. of the numbers is: |
| A. | 230 |
| B. | 220 |
| C. | 240 |
| D. | 250 |
| Answer» C. 240 | |
| 12356. |
A parent with a rather short child wonders whether the child is still growing. The physician requests that the child have an X-ray to examine the bones. What is he looking for? |
| A. | to view the amount of red bone marrow |
| B. | to see if the cartilaginous growth plates have been converted to bone |
| C. | to examine the integrity of the joint cartilage |
| D. | to determine the density of the compact bone layer |
| Answer» C. to examine the integrity of the joint cartilage | |
| 12357. |
The upper limbs are attached to the axial skeleton and supported by the ________. |
| A. | sternum |
| B. | rib cage |
| C. | pectoral girdle |
| D. | pelvic girdle |
| Answer» D. pelvic girdle | |
| 12358. |
Which of the following occurs in rheumatoid arthritis, but not in osteoarthritis? |
| A. | There is joint pain. |
| B. | The joint becomes inflamed. |
| C. | Joint function is reduced. |
| D. | The immune system attacks the body's own joint tissues. |
| Answer» E. | |
| 12359. |
Which of the following is correct concerning sprains? |
| A. | Sprains rarely cause swelling and pain. |
| B. | Torn ligaments will heal on their own. |
| C. | A sprained knee can cause long-term problems if the ligaments are torn. |
| D. | Sprains usually heal quickly even though the ligaments have a poor blood supply. |
| Answer» D. Sprains usually heal quickly even though the ligaments have a poor blood supply. | |
| 12360. |
Which of the following is NOT a feature of intervertebral disks? |
| A. | They are composed of fibrocartilage. |
| B. | They mark the division between each of the five anatomical regions of the vertebral column. |
| C. | They permit a small degree of movement. |
| D. | They serve as a shock absorber. |
| Answer» C. They permit a small degree of movement. | |
| 12361. |
The least number of five digits which is exactly divisible by 12, 15 and 18, is: |
| A. | 10080 |
| B. | 10090 |
| C. | 19000 |
| D. | 10800 |
| Answer» B. 10090 | |
| 12362. |
The production of new blood cells requires the activity of ________. |
| A. | stem cells in the yellow marrow |
| B. | osteoblasts in the periosteum |
| C. | stem cells in the red marrow |
| D. | osteocytes |
| Answer» D. osteocytes | |
| 12363. |
Which of the following conditions might an astronaut living in zero gravity develop, due to reduced stress on his bones? |
| A. | osteoarthritis |
| B. | tendinitis |
| C. | osteoporosis |
| D. | rheumatoid arthritis |
| Answer» D. rheumatoid arthritis | |
| 12364. |
The process of ossification begins when ________. |
| A. | chondroblasts die |
| B. | blood vessels enter the area |
| C. | osteocytes invade the area |
| D. | osteoblasts secrete osteoid |
| Answer» B. blood vessels enter the area | |
| 12365. |
The least number which when increased by 5 is divisible by each one of 24, 32, 36 and 54, is |
| A. | 870 |
| B. | 890 |
| C. | 867 |
| D. | 859 |
| Answer» E. | |
| 12366. |
Cylindrical structures in compact bone containing osteocytes arranged around a central canal are known as ________. |
| A. | osteons |
| B. | canaliculi |
| C. | lacunae |
| D. | trabeculae |
| Answer» B. canaliculi | |
| 12367. |
The product of the L.C.M. and H.C.F. of two numbers is 24. The difference of two numbers is 2. Find the numbers. |
| A. | 6 and 4 |
| B. | 2 and 6 |
| C. | 3 and 9 |
| D. | none |
| Answer» B. 2 and 6 | |
| 12368. |
Actions such as flexion, extension, rotation, abduction, and adduction are possible in which of the following joints? |
| A. | fibrous joints |
| B. | all types of joints |
| C. | synovial joints |
| D. | cartilaginous joints |
| Answer» D. cartilaginous joints | |
| 12369. |
Which statement concerning the growth plate is true? |
| A. | The growth plates in long bones move toward each other as the long bone develops. |
| B. | As a bone lengthens, chondroblasts deposit new cartilage on the inside of the growth plate. |
| C. | Growth plates are found in long bones that are still developing. |
| D. | The growth plate is composed of epithelial tissue. |
| Answer» D. The growth plate is composed of epithelial tissue. | |
| 12370. |
The homeostatic maintenance and remodeling of bone structure depends on the balanced activity of ________. |
| A. | chondroblasts and osteoblasts |
| B. | growth hormone and calcitonin |
| C. | osteoclasts and osteoblasts |
| D. | growth hormone and testosterone |
| Answer» D. growth hormone and testosterone | |
| 12371. |
In number system, the H.C.F. of 2/3 , 8/9 , 64/81 and 10/27 is ? |
| A. | 2/3 |
| B. | 2/81 |
| C. | 160/3 |
| D. | 14/3 |
| Answer» C. 160/3 | |
| 12372. |
Let the least number of six digits, which when divided by 4, 6, 10 and 15, leaves in each case the same remainder of 2, be N. The sum of the digits in N is: |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 9 |
| Answer» D. 9 | |
| 12373. |
Low levels of calcium and phosphate ions in the blood would stimulate the activity of ________. |
| A. | osteoclasts |
| B. | osteocytes |
| C. | chondrocytes |
| D. | osteoblasts |
| Answer» B. osteocytes | |
| 12374. |
What type of bonds hold together amino acids in proteins? |
| A. | Hydrogen bonds |
| B. | Peptide bonds |
| C. | Phosphate bonds |
| D. | Nitrogen bonds |
| Answer» C. Phosphate bonds | |
| 12375. |
Which of the following is not composed of amino acids ? |
| A. | Glucagon |
| B. | Collagen |
| C. | Amylase |
| D. | Cellulose |
| Answer» E. | |
| 12376. |
The cells of seaweed which actively absorb iodide ions from sea water would be expected to have large numbers of : |
| A. | chloroplasts |
| B. | mitochondria |
| C. | ribosomes |
| D. | vacuoles. |
| Answer» C. ribosomes | |
| 12377. |
Which of the following is not surrounded by a membrane ? |
| A. | Nucleus |
| B. | Ribosome |
| C. | Chloroplas |
| D. | Mitochondrion |
| Answer» C. Chloroplas | |
| 12378. |
The H.C.F of 204, 1190 and 1445 is: |
| A. | 12 |
| B. | 17 |
| C. | 18 |
| D. | 19 |
| Answer» C. 18 | |
| 12379. |
Polyploidy in plants may result from . |
| A. | hybridisation between varieties of the same species |
| B. | hybridisation between varieties of the same |
| C. | homologous chromosomes binding at chiasmata |
| D. | the failure of linked genes to separate. |
| Answer» B. hybridisation between varieties of the same | |
| 12380. |
What is the net gain of ATP in anaerobic respiration ? |
| A. | 38 |
| B. | 2 |
| C. | 40 |
| D. | 4 |
| Answer» C. 40 | |
| 12381. |
Where does glycolysis take place ? |
| A. | cytoplasm |
| B. | central matrix of the mitochondria |
| C. | cristae of the mitrochondria |
| D. | nucleus |
| Answer» B. central matrix of the mitochondria | |
| 12382. |
Apple crop yields have been increased by plant breeders selecting for ____ . |
| A. | disease resistance |
| B. | flavour |
| C. | resistance to bruising |
| D. | sugar content. |
| Answer» B. flavour | |
| 12383. |
If the concentration of glucose in the blood of a healthy man or woman decreases below normal, their pancreas produces is ? |
| A. | more insulin but less glucagon |
| B. | more insulin and more glucagon |
| C. | less insulin but more glucagon |
| D. | less insulin and less glucagon |
| Answer» D. less insulin and less glucagon | |
| 12384. |
H.C.F. of 3240, 3600 and a third number is 36 and their L.C.M. is 24 x 35 x 52 x 72.The third number is: |
| A. | 2^2 x 3^5 x 7^2 |
| B. | 2^8x 3^5 x 7^2 |
| C. | 2^2 x 3^5 x 7^9 |
| D. | 2^5 x 3^5 x 7^2 |
| Answer» B. 2^8x 3^5 x 7^2 | |
| 12385. |
The L.C.M. of two numbers is 45 times their H.C.F. If one of the numbers is 125 and the sum of H.C.F. and L.C.M. is 1150, the other number is: |
| A. | 226 |
| B. | 225 |
| C. | 228 |
| D. | 230 |
| Answer» C. 228 | |
| 12386. |
Plants grown in absence of light have. |
| A. | green leaves and short internodes |
| B. | green leaves and long internodes |
| C. | yellow leaves and long internodes |
| D. | yellow leaves and short internodes |
| Answer» D. yellow leaves and short internodes | |
| 12387. |
The action spectrum of photosynthesis is a measure of the ability of plants to ____ ? |
| A. | absorb all wavelengths of light |
| B. | absorb light of different intensities |
| C. | use light to build up foods |
| D. | use light of different wavelengths for synthesis |
| Answer» E. | |
| 12388. |
Four different electronic devices make a beep after every 30 minutes, 1 hour, 1 1/2 hour and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at: |
| A. | 12 midnight |
| B. | 6 a.m. |
| C. | 3 a.m. |
| D. | 9 a.m. |
| Answer» E. | |
| 12389. |
Recombination frequencies of linked genes provide infomation on . |
| A. | the genotype for a particular characteristic |
| B. | the mutation rate of the genes |
| C. | whether genes are recessive or dominant |
| D. | the order and location of genes on a chromosome |
| Answer» E. | |
| 12390. |
Sex-linked alleles in humans cannot be passed from. |
| A. | fathers to their sons |
| B. | women to their grandsons |
| C. | mothers to their sons |
| D. | men to their grandsons |
| Answer» B. women to their grandsons | |
| 12391. |
The function of tRNA in cell metabolism is to ____ ? |
| A. | carry codons to the ribosomes |
| B. | transport amino acids for protein synthesis |
| C. | transcribe the DNA codes |
| D. | synthesise anticodons |
| Answer» C. transcribe the DNA codes | |
| 12392. |
Phenylketonuria (PKU) is a metabolic disorder in humans. In PKU there is ? |
| A. | a breakdown of exess phenylalanine in the diet. |
| B. | an inability to synthesise phenylalanine |
| C. | synthesis of tyrosine from phenylalanine. |
| D. | an inability to synthesise tyrosine from phenylalanine. |
| Answer» E. | |
| 12393. |
Which substance produced by plants in response to attack by pathogens isolates affected areas of plant tissue from the rest of the plant? |
| A. | tannin |
| B. | cyanide |
| C. | resin |
| D. | nicotine |
| Answer» D. nicotine | |
| 12394. |
Which of the following is not a source of genetic variation in sexual reproduction? |
| A. | Crossing over |
| B. | Mutation |
| C. | Non-disjunction |
| D. | Mitosis |
| Answer» E. | |
| 12395. |
Which of the following adaptations allows a plant to tolertate grazing by herbivores ? |
| A. | thick waxy cuticles on leaves |
| B. | leaves reduced to spine |
| C. | meristems low on the plant |
| D. | stems with thorns |
| Answer» D. stems with thorns | |
| 12396. |
The term linkage refers to genes which are ? |
| A. | present on the same chromosome |
| B. | transferred from one chromosome to its homologous partner |
| C. | transferred from one homologous pair to another |
| D. | present on different chromosomes |
| Answer» B. transferred from one chromosome to its homologous partner | |
| 12397. |
Which of the following is a fibrous protein ? |
| A. | Amylase |
| B. | Collagen |
| C. | Cellulose |
| D. | Insulin |
| Answer» C. Cellulose | |
| 12398. |
Sexual incompatability between different species of plant may be overcome by. |
| A. | recombinant DNA technologu |
| B. | the use of mutagens |
| C. | somatic fusion of their cells |
| D. | the use of polyploid parents plants |
| Answer» D. the use of polyploid parents plants | |
| 12399. |
When an organ is transplanted from one person to another, there is a possibility that it could be rejected.This is because the cells of the individual receiving the organ react against foreign: |
| A. | anitgens |
| B. | DNA |
| C. | antibodies |
| D. | RNA |
| Answer» B. DNA | |
| 12400. |
Lysosomes are involved in the defence of the body. They: |
| A. | carry out phagocytosis and engulf bacteria. |
| B. | produce antibodies to destroy viruses. |
| C. | release antgens to destroy bacteria. |
| D. | contain enzymes to digest bacteria. |
| Answer» E. | |