MCQOPTIONS
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MCQOPTIONS
This section includes 1075 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
Translocation of water is |
| A. | Apoplastic |
| B. | Symplastic |
| C. | Both (A) and (B) |
| D. | None of the above |
| Answer» D. None of the above | |
| 502. |
The deficiency of iron in man result in |
| A. | Anaemia |
| B. | Night blindness |
| C. | Scurvy |
| D. | Rickets |
| Answer» B. Night blindness | |
| 503. |
What is the common in AIDS, mumps and poliomyelitis? |
| A. | Young children get affected most readily |
| B. | No effective vaccine has yet been developed for them |
| C. | These are caused by viruses |
| D. | Their germs can be transmitted through blood transfusions |
| Answer» D. Their germs can be transmitted through blood transfusions | |
| 504. |
The Drone in honey-bee are |
| A. | Fertile male |
| B. | Fertile female |
| C. | Sterile male |
| D. | |
| E. | Sterile female |
| Answer» B. Fertile female | |
| 505. |
Which of the following is present in Chlorophyll molecule ? |
| A. | Mn |
| B. | Mg |
| C. | Fe |
| D. | K |
| Answer» C. Fe | |
| 506. |
Insufficient dietary iodine can cause |
| A. | Cretinism |
| B. | Giant build |
| C. | Enlarged thyroid |
| D. | Small thyroid |
| Answer» D. Small thyroid | |
| 507. |
Thiamidine dimer formation in DNA is caused by |
| A. | IR-rays |
| B. | X-rays |
| C. | b and g-rays |
| D. | UV-rays |
| Answer» E. | |
| 508. |
Which of the following is known as animal starch? |
| A. | glycogen |
| B. | cellulose |
| C. | glucose |
| D. | chitin |
| Answer» B. cellulose | |
| 509. |
Which of the following does not provide any energy? |
| A. | Fats |
| B. | Proteins |
| C. | Vitamins |
| D. | Carbohydrates |
| Answer» D. Carbohydrates | |
| 510. |
A cell increases in volume when it is placed in |
| A. | Hypertonic solution |
| B. | Hypotonic solution |
| C. | Isotonic solution |
| D. | None of these |
| Answer» C. Isotonic solution | |
| 511. |
Of which tissue nails, hoofs and horns are made of |
| A. | Cutide |
| B. | Chitin |
| C. | Keratin |
| D. | Tunicin |
| Answer» C. Keratin | |
| 512. |
Which one of the following statements about PYROLYSIS, which is a process for solid waste treatment is incorrect? |
| A. | It converts the waste into solid, liquid and gas of which the resultant liquid and gas can be used to produce energy. |
| B. | |
| C. | The process occurs at a temperature above 430 C at atmospheric pressure. |
| D. | The process occurs under high pressure at temperature above 430 C. |
| E. | It is a thermochemical decomposition of organic waste |
| Answer» C. The process occurs at a temperature above 430 C at atmospheric pressure. | |
| 513. |
Liver-oil of fish is rich in |
| A. | Vitamin A |
| B. | Vitamin C |
| C. | Vitamin D |
| D. | Vitamin E |
| Answer» B. Vitamin C | |
| 514. |
The biological death of a patient means the death of tissues of the |
| A. | kidney |
| B. | heart |
| C. | brain |
| D. | lungs |
| Answer» D. lungs | |
| 515. |
What are Lipids? |
| A. | Lipids are monosaccharides |
| B. | Lipids do not provide energy to cells |
| C. | Fruits are a good source of lipids |
| D. | Cholesterol and trans fatty acids are types of Lipids |
| E. | |
| Answer» E. | |
| 516. |
Which are not included in the milk-teeth in a child of 3-4 years ? |
| A. | Incisors |
| B. | Canines |
| C. | Molars |
| D. | Premolars |
| Answer» D. Premolars | |
| 517. |
The carbon dioxide content in the air that we exhale is about |
| A. | 4% |
| B. | 8% |
| C. | 12% |
| D. | 16% |
| Answer» B. 8% | |
| 518. |
The H5N1 virus which causes bird flu was first discovered in |
| A. | 1991 |
| B. | 1995 |
| C. | 1997 |
| D. | 2001 |
| Answer» D. 2001 | |
| 519. |
Birds usually have a single |
| A. | Kidney |
| B. | Lung |
| C. | Testis |
| D. | Ovary |
| Answer» E. | |
| 520. |
Blood pressure is controlled by |
| A. | Adrenal gland |
| B. | Thyroid gland |
| C. | Thymus |
| D. | Corpus Luteum |
| Answer» B. Thyroid gland | |
| 521. |
Tetanus is caused by |
| A. | Clostridium |
| B. | Virus |
| C. | Bacteriophage |
| D. | Salmonella |
| Answer» B. Virus | |
| 522. |
In which vertebrate oxygenated and deoxygenated blood gets mixed ? |
| A. | Fish |
| B. | Amphibian |
| C. | Bird |
| D. | Mammal |
| Answer» C. Bird | |
| 523. |
Human cloning is permitted in Britain for the purpose of |
| A. | Reproduction |
| B. | Research |
| C. | Therapeutics |
| D. | Genetics |
| Answer» D. Genetics | |
| 524. |
Vegetables are easily perishable because of their high content of |
| A. | sugars |
| B. | water |
| C. | vitamins |
| D. | enzymes |
| Answer» C. vitamins | |
| 525. |
Pick out the viral disease among the following : |
| A. | Hepatitis |
| B. | Meningitis |
| C. | Arthritis |
| D. | Nephritis |
| Answer» B. Meningitis | |
| 526. |
Which one of these animals is jawless : |
| A. | Sphyrna |
| B. | Trygon |
| C. | Myxine |
| D. | Shark |
| Answer» D. Shark | |
| 527. |
Dolly, the World s First cloned animal was a |
| A. | sheep |
| B. | cow |
| C. | goat |
| D. | pig |
| Answer» B. cow | |
| 528. |
DNA test was developed by |
| A. | Dr. Alec Jeffreys |
| B. | Dr. V.K. Kashyap |
| C. | |
| D. | Watson and Crick |
| E. | Gregor Mendel |
| Answer» D. Watson and Crick | |
| 529. |
Among the defects of eye, the shortsightedness is called |
| A. | coma |
| B. | hypermetropia |
| C. | myopia |
| D. | astigmatism |
| Answer» D. astigmatism | |
| 530. |
For a healthy heart, one needs to take a balanced diet, adequate sleep and |
| A. | indulge in vigorous mental activities |
| B. | play games like carrom, chess and cards |
| C. | do right amount of physical exercise |
| D. | |
| E. | do sedentary work |
| Answer» D. | |
| 531. |
Amoebic dysentery is caused by |
| A. | Entamoeba histolytica |
| B. | Salmonella typhi |
| C. | |
| D. | E. coli |
| E. | Streptococcus pyogenes |
| Answer» B. Salmonella typhi | |
| 532. |
The process of imbibition involves |
| A. | Diffusion |
| B. | Capillary action |
| C. | Absorption |
| D. | Both (A) and (B) |
| Answer» D. Both (A) and (B) | |
| 533. |
AIDS is a/an |
| A. | bacterial disease |
| B. | viral disease |
| C. | |
| D. | fungal disease |
| E. | algal disease |
| Answer» C. | |
| 534. |
Insufficient blood supply in human body is referred as |
| A. | Ischemia |
| B. | Hyperemia |
| C. | Hemostasia |
| D. | Hemorrhage |
| Answer» B. Hyperemia | |
| 535. |
Haemoglobin has highest affinity for |
| A. | Oxygen |
| B. | Carbon dioxide |
| C. | Carbon monoxide |
| D. | Nitrogen |
| Answer» B. Carbon dioxide | |
| 536. |
The average heart beat rate per minute in a normal person is |
| A. | 82 |
| B. | 92 |
| C. | 72 |
| D. | 98 |
| Answer» D. 98 | |
| 537. |
The cause of Heart attack is: |
| A. | bacteria |
| B. | virus |
| C. | lack of blood supply to the heart |
| D. | impairment of heart s working due to unknown reason |
| Answer» D. impairment of heart s working due to unknown reason | |
| 538. |
Blood pressure is high in the |
| A. | Ventricles |
| B. | Arteries |
| C. | Veins |
| D. | Auricles |
| Answer» C. Veins | |
| 539. |
Haptens are: |
| A. | Pseudoantigens |
| B. | Incomplete antigens |
| C. | Antibodies |
| D. | Isoantigens |
| Answer» C. Antibodies | |
| 540. |
EEG records the activity of |
| A. | heart |
| B. | lungs |
| C. | brain |
| D. | muscles |
| Answer» D. muscles | |
| 541. |
The floral part that produces pollen grains is |
| A. | Sepal |
| B. | Petal |
| C. | Anther |
| D. | Ovary |
| Answer» D. Ovary | |
| 542. |
Jaundice is caused due to the infection of |
| A. | Brain |
| B. | Liver |
| C. | Kidney |
| D. | Spleen |
| Answer» C. Kidney | |
| 543. |
A medicine which promotes the secretion of urine is called |
| A. | Adrenaline |
| B. | Monouretic |
| C. | Diuretic |
| D. | Triuretic |
| Answer» D. Triuretic | |
| 544. |
BCG immunization is for |
| A. | Measles |
| B. | Tuberculosis |
| C. | Diphtheria |
| D. | Leprosy |
| Answer» C. Diphtheria | |
| 545. |
The chemicals released by one species of animals in order to attract the other members of the same species are |
| A. | Hormones |
| B. | Nucleic acids |
| C. | Pheromones |
| D. | Steroids |
| Answer» D. Steroids | |
| 546. |
The limb bones of children become bent if there is deficiency of vitamin |
| A. | A |
| B. | B |
| C. | <sub>1</sub> |
| D. | D |
| E. | E |
| Answer» D. D | |
| 547. |
Besides carbohydrates, a major source of energy in our food is constituted by |
| A. | Proteins |
| B. | Fats |
| C. | Minerals |
| D. | Vitamins |
| Answer» C. Minerals | |
| 548. |
The toxicity of which of the following heavy metals leads to liver cirrbosis? |
| A. | Copper |
| B. | Lead |
| C. | Mercury |
| D. | Zinc |
| Answer» B. Lead | |
| 549. |
Typhoid is caused by |
| A. | Pseudomonas sp. |
| B. | Staphylococcus |
| C. | |
| D. | Bacillus |
| E. | Salmonella typhi |
| Answer» E. Salmonella typhi | |
| 550. |
The colour of cow s milk is slightly yellow due to the presence of |
| A. | Xanthophyll |
| B. | Riboflavin |
| C. | Ribulose |
| D. | Carotene |
| Answer» E. | |