MCQOPTIONS
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MCQOPTIONS
This section includes 2103 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
During which of the following types of reproduction do the fully matured tiny individuals detach from the parent body and become new independent individuals? |
| A. | Fission |
| B. | Regeneration |
| C. | Budding |
| D. | Multiple fission |
| Answer» D. Multiple fission | |
| 502. |
________ carries/carry hereditary material. |
| A. | Ovules |
| B. | DNA |
| C. | RNA |
| D. | Pollen grains |
| Answer» C. RNA | |
| 503. |
Fisher men who eat enough sea fish will not usually become thyroxine deficient .Give reason |
| A. | Sea fish is a good source of iodine |
| B. | Sea fish contain thyroxine |
| C. | Sea fish is highly nutritious |
| D. | Sea fish contain more salt |
| Answer» B. Sea fish contain thyroxine | |
| 504. |
Antibiotic penicillin is obtained from _______. |
| A. | Virus |
| B. | Protozoan |
| C. | Fungus |
| D. | Bacteria |
| Answer» D. Bacteria | |
| 505. |
Consider the following statements:i) Fatty acids should be a part of the human diet.ii) Normal diet should contain 75 gm of fat.iii) The cells of the human body can not synthesize any fatty acids.iv) Deficiency disease develops due to the absence of essential fatty acids.Which of the above statements are correct? |
| A. | i, ii and iii |
| B. | i, ii and iv |
| C. | ii and iii only |
| D. | iii and iv only |
| Answer» C. ii and iii only | |
| 506. |
______ is a vestigial hollow tube that is closed at one end and is attached at the other end to the cecum, a pouch-like beginning of the large intestine into which the small intestine empties its contents. |
| A. | Spleen |
| B. | Appendix |
| C. | Ileum |
| D. | Duodenum |
| Answer» C. Ileum | |
| 507. |
For human nutrition, tomatoes are a rich source of |
| A. | Methonic acid |
| B. | Citric acid |
| C. | Oxalic acid |
| D. | Acetic acid |
| Answer» D. Acetic acid | |
| 508. |
'Lub-dup' sound is produced due to action of |
| A. | Large intestine |
| B. | Lungs |
| C. | Heart |
| D. | Oesophagus |
| Answer» D. Oesophagus | |
| 509. |
In frog, glottis is controlled by the muscles of |
| A. | Vocal cords |
| B. | Stermum |
| C. | Arytenoid cartilage |
| D. | Vocal cords and arytenoid cartilage |
| Answer» D. Vocal cords and arytenoid cartilage | |
| 510. |
For control of which disease is the triple antigen (D, P, T) administered to children? |
| A. | Diphtheria, Pertussis, Tetanus |
| B. | Diphtheria, Polio, Tetanus |
| C. | Diphtheria, Pertussis, Typhoid |
| D. | Dengue, Polio, Typhoid |
| Answer» B. Diphtheria, Polio, Tetanus | |
| 511. |
Metabolic water is a by-product of the process of |
| A. | Digestion |
| B. | Excretion |
| C. | Muscle activity |
| D. | Tissue respiration |
| Answer» E. | |
| 512. |
'Cerebral palsy' is a brain disorder found generally in |
| A. | Old people |
| B. | Drug addicts |
| C. | Small children |
| D. | Only ladies |
| Answer» D. Only ladies | |
| 513. |
Dialysis is used for patients having? |
| A. | Lung trouble |
| B. | Kidney trouble |
| C. | Heart failure |
| D. | Liver diseases |
| Answer» C. Heart failure | |
| 514. |
How many 'canine teeth' does an adult human have? |
| A. | 3 |
| B. | 8 |
| C. | 2 |
| D. | 4 |
| Answer» E. | |
| 515. |
In which disease postmortem of the animal is not performed? |
| A. | Anthrax |
| B. | Lumpy Jaw |
| C. | Tetanus |
| D. | Mastitis |
| Answer» B. Lumpy Jaw | |
| 516. |
Hydroponics is the |
| A. | None of these |
| B. | Water portion of the biosphere |
| C. | Water content of organisms |
| D. | Loss of water by plants |
| Answer» B. Water portion of the biosphere | |
| 517. |
Fermentation is a process in which : |
| A. | Organic compound is slowly decomposed into simple substances in presence of O2 |
| B. | Organic compound is slowly decomposed into simple substances in absence of O2 |
| C. | Simple substances are polymerized into complex substances |
| D. | All of the above |
| Answer» C. Simple substances are polymerized into complex substances | |
| 518. |
A slow chemical change produced in an organic compound by the action of enzymes to give smaller molecules is known as: |
| A. | Homologous series |
| B. | Fermentation |
| C. | Rectified spirit |
| D. | Isomers |
| Answer» C. Rectified spirit | |
| 519. |
Marsilea is a |
| A. | Homosporic pteridophyte |
| B. | heterosporic pteridophyte |
| C. | non-sporic pteridophyte |
| D. | seeded pteridophyte |
| Answer» C. non-sporic pteridophyte | |
| 520. |
If RQ is 0.7 the respiratory substitute will be - |
| A. | Carbohydrates |
| B. | Fats |
| C. | Organic acid |
| D. | None of these |
| Answer» C. Organic acid | |
| 521. |
______ is not a human bone joint.A. Ball & socketB. GlidingC. MacroD. Saddle |
| A. | B |
| B. | C |
| C. | D |
| D. | A |
| Answer» C. D | |
| 522. |
In which of the following nutrition methods, organisms take nutrients as a solution from dead and decaying substances? |
| A. | Symbiotic nutrition |
| B. | Insectivorous |
| C. | Parasitic nutrition |
| D. | Saprozoic nutrition |
| Answer» E. | |
| 523. |
Main method of fatty acid oxidation in a cell is |
| A. | Calvin cycle |
| B. | PPP |
| C. | β-oxidation |
| D. | EMP |
| Answer» D. EMP | |
| 524. |
Mammals belong to which of the following Phylum? |
| A. | Mollusca |
| B. | Arthropoda |
| C. | Chordata |
| D. | Nematoda |
| Answer» D. Nematoda | |
| 525. |
In the nineteenth century, ______ came up with the idea of evolution of species by natural selection. |
| A. | Johann Mendel |
| B. | Johann Dobereiner |
| C. | John Dalton |
| D. | Charles Darwin |
| Answer» E. | |
| 526. |
Enzyme enhances the rate of a chemical reaction by |
| A. | providing optimum pH |
| B. | raising the temperature |
| C. | lowering activation energy |
| D. | producing ATP |
| Answer» D. producing ATP | |
| 527. |
Histone proteins involved in DNA packaging have _____ charge. |
| A. | Negative |
| B. | Positive |
| C. | Neutral |
| D. | Sometimes positive, sometimes negative |
| Answer» C. Neutral | |
| 528. |
_________ is a commonly used medicine that can help treat pain and reduce a high body temperature. |
| A. | Dextromethorphan |
| B. | Bismuth |
| C. | Paracetamol |
| D. | Guaifenesin |
| Answer» D. Guaifenesin | |
| 529. |
Fruit Production without fertilization is called- |
| A. | Parthenogenesis |
| B. | Parthenocarpy |
| C. | Apogamy |
| D. | Aopmixis |
| Answer» C. Apogamy | |
| 530. |
Guard cells surrounds _____. |
| A. | Nucleus |
| B. | Stomata |
| C. | Golgi apparatus |
| D. | Mitochondria |
| Answer» C. Golgi apparatus | |
| 531. |
Peptide synthesis in a cell occurs in |
| A. | Mitochondria |
| B. | Chloroplast |
| C. | Ribosome |
| D. | Nucleus |
| Answer» D. Nucleus | |
| 532. |
Beriberi is caused by deficiency of: |
| A. | Vitamin B6 |
| B. | Vitamin B1 |
| C. | Vitamin B3 |
| D. | Vitamin B12 |
| Answer» C. Vitamin B3 | |
| 533. |
Inverted omega-shaped ring of vascular bundles is found in |
| A. | Rachis of Cycas |
| B. | Leaflet of Cycas |
| C. | Root of Cycas |
| D. | Leaves of Pinus |
| Answer» B. Leaflet of Cycas | |
| 534. |
An adult human body has _______ bones. |
| A. | 208 |
| B. | 312 |
| C. | 300 |
| D. | 206 |
| Answer» E. | |
| 535. |
Chemically, sugar cane is _______. |
| A. | Lactose |
| B. | Fructose |
| C. | Sucrose |
| D. | Glucose |
| Answer» D. Glucose | |
| 536. |
Excretion means ______. |
| A. | Removal of substances present in excess |
| B. | Formation of those substances that have some role in the body |
| C. | Removal of such substances that have never been part of the body |
| D. | All options are correct |
| Answer» B. Formation of those substances that have some role in the body | |
| 537. |
Pyruvic acid before combining with oxaloacetic acid of citric acid cycle becomes |
| A. | Lactic acid |
| B. | Aceto-acetic |
| C. | Cis-acotinic acid |
| D. | Acetyl Co-A |
| Answer» E. | |
| 538. |
An example of a species concerned with symbiotic nitrogen fixation is: |
| A. | Pullularia |
| B. | Chlorobium |
| C. | Azotobacter |
| D. | Frankia |
| Answer» D. Frankia | |
| 539. |
An example of a branched cell is: |
| A. | Nerve cell |
| B. | Fat cell |
| C. | Smooth muscle cell |
| D. | Human RBC |
| Answer» B. Fat cell | |
| 540. |
A group of similar organisms which are genetically distinct and reproductively isolated, is called a/an - |
| A. | Class |
| B. | Order |
| C. | Species |
| D. | Family |
| Answer» D. Family | |
| 541. |
Bronchitis is a disease of ____________ |
| A. | Blood |
| B. | Liver |
| C. | Intestine |
| D. | Respiratory Tract |
| Answer» E. | |
| 542. |
In the Hardy-Weinberg equation, which of the following represents the frequency of Heterozygous genotype? |
| A. | 2qp2 |
| B. | Q2 |
| C. | 2pq |
| D. | P2 |
| Answer» D. P2 | |
| 543. |
Pteridophytes are known as |
| A. | Vascular cryptogams |
| B. | Phanerogams |
| C. | Cryptogams |
| D. | Amphibians of plant kingdom |
| Answer» B. Phanerogams | |
| 544. |
Leeuwenhoek discovered the free living cells for the first time in _________. |
| A. | Pond water |
| B. | Sea water |
| C. | Soil |
| D. | Human body |
| Answer» B. Sea water | |
| 545. |
Exopthalmic goitre occurs due to |
| A. | Hyposecretion of T4 |
| B. | Hypersecretion of T4 |
| C. | Less iodine in diet |
| D. | Excess iodine in diet |
| Answer» C. Less iodine in diet | |
| 546. |
Bedaquiline drug was developed to treat which of the following diseases? |
| A. | Acute Myeloid Leukemia |
| B. | Cholera |
| C. | MDR-TB |
| D. | Osteoarthritis |
| Answer» D. Osteoarthritis | |
| 547. |
Name the organ that controls the size of the pupil. |
| A. | Iris |
| B. | Retina |
| C. | Eyeball |
| D. | Cornea |
| Answer» B. Retina | |
| 548. |
Botanical name of Ringal used for handicraft in Uttarakhand is: |
| A. | Cannabis Sativa |
| B. | Chimnobabusa falcata |
| C. | Myrice Esculata |
| D. | None of the above |
| Answer» C. Myrice Esculata | |
| 549. |
Amoeba and paramecium are the members of: |
| A. | Protista |
| B. | Mollusca |
| C. | Arthropoda |
| D. | Annelida |
| Answer» B. Mollusca | |
| 550. |
In mitosis the DNA replication, takes place in this phase |
| A. | G1 phase |
| B. | S phase |
| C. | M phase |
| D. | G0 Phase |
| Answer» C. M phase | |