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.
| 1651. |
Desert Oak is a tree which is found in |
| A. | Abu Dhabi |
| B. | Australia |
| C. | desert of Rajasthan |
| D. | the desert of UAE |
| Answer» C. desert of Rajasthan | |
| 1652. |
An example of a unicellular fungus is: |
| A. | Bread mould |
| B. | Yeast |
| C. | Penicillium |
| D. | Mushroom |
| Answer» C. Penicillium | |
| 1653. |
A flatworm named _______ has very simple ‘eyes’ that are really just eye-spots which detect light. |
| A. | Ascaris |
| B. | Tapeworm |
| C. | Liverfluke |
| D. | Planaria |
| Answer» E. | |
| 1654. |
Mucosa, Submucosa, Muscularis and Adventitia are the four layers of the _______ wall. |
| A. | Stomach |
| B. | Throat |
| C. | Gastrointestinal |
| D. | Nasal |
| Answer» D. Nasal | |
| 1655. |
A few organisms can tolerate and thrive in a narrow range of temperatures. Such organisms are called _________. |
| A. | Osmotic |
| B. | Eurythermal |
| C. | Stenothermal |
| D. | Hydrothermal |
| Answer» D. Hydrothermal | |
| 1656. |
Fermentation is the process of ______ |
| A. | Conversion of starch into sugar |
| B. | Conversion of sugar into alcohol |
| C. | Conversion of protein into sugar |
| D. | dding yeast to make wine |
| Answer» C. Conversion of protein into sugar | |
| 1657. |
Final acceptor of electrons is aerobic respiration |
| A. | Water |
| B. | Molecular O2 |
| C. | Cytochrome a3 |
| D. | FMN |
| Answer» C. Cytochrome a3 | |
| 1658. |
Proteins are made up of _________. |
| A. | Amino acids |
| B. | Fatty acids |
| C. | Glucose |
| D. | Nucleotides |
| Answer» B. Fatty acids | |
| 1659. |
Anemophily refers to pollination by ______. |
| A. | insects |
| B. | water |
| C. | animals |
| D. | wind |
| Answer» E. | |
| 1660. |
Hormone that stimulates milk secretion is ____________. |
| A. | prolactin |
| B. | luteinising hormone |
| C. | oestrogen |
| D. | testosterone |
| Answer» B. luteinising hormone | |
| 1661. |
______ is/are the hardest tissue(s) in the human body. |
| A. | Epidermis |
| B. | Skeletal muscles |
| C. | Tooth enamel |
| D. | Cartilage |
| E. | Cardiovascular tissue |
| Answer» D. Cartilage | |
| 1662. |
In which of the following phenomena can many plants be grown from one parent in disease-free conditions? |
| A. | Sexual reproduction |
| B. | Tissue culture |
| C. | Spore formation |
| D. | Regeneration |
| Answer» C. Spore formation | |
| 1663. |
Oxygen is transported in blood mainly by _____. |
| A. | Leucocytes |
| B. | Erythrocytes |
| C. | Thromobocytes |
| D. | Blood plasma |
| Answer» C. Thromobocytes | |
| 1664. |
A ________ is a unisexual flower. |
| A. | Gulmohar |
| B. | Hibiscus |
| C. | Mustard |
| D. | Papaya |
| Answer» E. | |
| 1665. |
In which stem is protostele found? |
| A. | Pteris |
| B. | Lycopodium |
| C. | Marsilea |
| D. | Pteridium |
| Answer» C. Marsilea | |
| 1666. |
Match the following:Human diseaseCausative micro-organismA. Cholera1. FungiB. Chickenpox2. VirusC. Malaria3. BacteriaD. Rust of wheat4. Protozoa |
| A. | A-3, B-2, C-4, D-1 |
| B. | A-4, B-1, C-3, D-2 |
| C. | A-2, B-3, C-1, D-4 |
| D. | A-3, B-4, C-2, D-1 |
| Answer» B. A-4, B-1, C-3, D-2 | |
| 1667. |
Match the following events in plants. A. Absorption of water i. Xylem B. Absorption of minerals ii. Phloem C. Transport of water iii. Root hairs D. Transport of minerals iv. Epiblema |
| A. | A - iv, B - iii, C - ii, D - i |
| B. | A - iii, B - iv, C - ii, D - i |
| C. | A - iv, B - iii, C - i, D - ii |
| D. | A - iii, B - iv, C - i, D - ii |
| Answer» E. | |
| 1668. |
Nucleolus is the place for the synthesis of |
| A. | r-RNA |
| B. | m-RNA |
| C. | t-RNA |
| D. | DNA |
| Answer» B. m-RNA | |
| 1669. |
ATP molecules required for synthesis of a glucose molecule in Calvin-Benson cycle are |
| A. | 6 |
| B. | 38 |
| C. | 12 |
| D. | 18 |
| Answer» E. | |
| 1670. |
‘Cloves’ are |
| A. | Nodules of stem |
| B. | Nodules of roots |
| C. | Leaves |
| D. | Dried flowers |
| Answer» E. | |
| 1671. |
How does Amoeba reproduce? |
| A. | Binary fission |
| B. | Sexual Reproduction |
| C. | Fragmentation |
| D. | Budding |
| Answer» B. Sexual Reproduction | |
| 1672. |
Lungs have a large number of alveoli for ______. |
| A. | Having spongy texture and proper shape |
| B. | More surface area for diffusion of gases |
| C. | More space for increasing volume of inspired air |
| D. | More nerve supply |
| Answer» C. More space for increasing volume of inspired air | |
| 1673. |
Name the respiratory organs of insects. |
| A. | Skin |
| B. | Body Surface |
| C. | Gills |
| D. | Tracheae |
| Answer» E. | |
| 1674. |
During hibernation state, frog respires by which of the following? |
| A. | Only heart |
| B. | Only lungs |
| C. | Only skin |
| D. | Both lungs and skin |
| Answer» D. Both lungs and skin | |
| 1675. |
Age of fishes was known as |
| A. | Devonian |
| B. | Ordovician |
| C. | Crustaceous |
| D. | Silurian |
| Answer» B. Ordovician | |
| 1676. |
On the basis of structural modification of the cells, simple epithelium is divided into all of the following types, except ________. |
| A. | Cuboidal |
| B. | Columnar |
| C. | Squamous |
| D. | Cylindrical |
| Answer» E. | |
| 1677. |
Gastrulation in frog is completed by: |
| A. | By epiboly |
| B. | By emboly |
| C. | Both a) and b) |
| D. | By delamination |
| Answer» D. By delamination | |
| 1678. |
'Pace Maker' is associated with __________. |
| A. | Kidney |
| B. | Brain |
| C. | Heart |
| D. | Ear |
| Answer» D. Ear | |
| 1679. |
Match the following:List - IList - IIA. Litmus (Dye)I. ConifersB. Agar-agar (Jelly)II. LichensC. LSD (Narcotics)III. AlgaeD. Turpentine (Solvent)IV. Fungi |
| A. | A - III, B - IV, C - II, D - I |
| B. | A - IV, B - I, C - II, D - III |
| C. | A - II, B - IV, C - I, D - IIII |
| D. | A - II, B - III, C - IV, D - I |
| Answer» E. | |
| 1680. |
_______ are the most abundant cells in blood. |
| A. | Erythrocytes |
| B. | Granulocytes |
| C. | Monocytes |
| D. | Lymphocytes |
| Answer» B. Granulocytes | |
| 1681. |
AIveoIi are balloon like structures within the ______. |
| A. | Iungs |
| B. | kidney |
| C. | liver |
| D. | heart |
| Answer» B. kidney | |
| 1682. |
In Daphnia, during oogenesis, the first meiotic division is suppressed and the primary oocyte undergoes II maturation division. This type of parthenogenesis is called |
| A. | Apomeiotic |
| B. | Mitotic |
| C. | Meiotic |
| D. | Arrhenotoky |
| Answer» D. Arrhenotoky | |
| 1683. |
One turn of DNA helix measures |
| A. | 34 A° |
| B. | 3.4 A° |
| C. | 24 A° |
| D. | 44 A° |
| Answer» B. 3.4 A° | |
| 1684. |
Number of bp in genome of ϕ × 174 virus |
| A. | 48502 |
| B. | 5386 |
| C. | 4.6 × 106 |
| D. | 6.6 × 109 |
| Answer» C. 4.6 × 106 | |
| 1685. |
A balanced diet has ______. |
| A. | Only nutrient |
| B. | Only water |
| C. | Only roughage |
| D. | All options are correct |
| Answer» E. | |
| 1686. |
If the CO2 concentration in the blood increases, the breathing shall _____. |
| A. | Increase |
| B. | Decrease |
| C. | Affected |
| D. | Stop |
| Answer» B. Decrease | |
| 1687. |
Leukaemia is a group of cancers that usually begins in the bone marrow and results in the high numbers of which abnormal cells |
| A. | White blood cell |
| B. | Red blood cell |
| C. | Platelets |
| D. | All of these |
| Answer» B. Red blood cell | |
| 1688. |
Among the following, which is not a true fruit? |
| A. | Apple |
| B. | Grape |
| C. | Date |
| D. | Plum |
| E. | None of the above / More than one of the above |
| Answer» B. Grape | |
| 1689. |
Plants with weak stems that cannot stand upright and spread on the ground are called ________. |
| A. | Creepers |
| B. | Shrubs |
| C. | Trees |
| D. | Climbers |
| Answer» B. Shrubs | |
| 1690. |
For human blood transfusion, which blood group is known as universal donor? |
| A. | B+ Group |
| B. | O Group |
| C. | AB Group |
| D. | A+ Group |
| Answer» C. AB Group | |
| 1691. |
Annona squamosa is the scientific name of ________. |
| A. | Custard Apple |
| B. | Papaya |
| C. | Babhul |
| D. | Drumstick |
| Answer» B. Papaya | |
| 1692. |
Fertilization in human female occurs in which of the following parts? |
| A. | Ovaries |
| B. | Uterus |
| C. | Cervix |
| D. | Fallopian tube |
| Answer» E. | |
| 1693. |
Insects that transmit diseases are known as________. |
| A. | Pathogens |
| B. | Vectors |
| C. | Drones |
| D. | Scalars |
| Answer» C. Drones | |
| 1694. |
Excessive amount of ________ in the body causes gout. |
| A. | Uric acid |
| B. | Lactic acid |
| C. | Nitric acid |
| D. | Acetic acid |
| Answer» B. Lactic acid | |
| 1695. |
Pulses are a good source of which? |
| A. | Protein |
| B. | Vitamin |
| C. | Carbohydrates |
| D. | Fats |
| Answer» B. Vitamin | |
| 1696. |
Monohybrid cross comprises _____ pair/s of contrasting character. |
| A. | only two |
| B. | eight |
| C. | only one |
| D. | three |
| Answer» D. three | |
| 1697. |
Non-green plants lack which of the following? |
| A. | Chlorophyll |
| B. | Lycophyll |
| C. | Cyanophyll |
| D. | Phototropism |
| Answer» B. Lycophyll | |
| 1698. |
Female culex mosquito is the carrier of which of the following diseases? |
| A. | Malaria |
| B. | Filaria |
| C. | Ring-worm |
| D. | None of these |
| Answer» E. | |
| 1699. |
Free swimming ciliated larval stage of Liver fluke is: |
| A. | redia |
| B. | Miracidium |
| C. | Metaceracaria |
| D. | cercaria |
| Answer» C. Metaceracaria | |
| 1700. |
Hypokalaemia is caused by the deficiency of ________. |
| A. | Calcium |
| B. | Iodine |
| C. | Iron |
| D. | Potassium |
| Answer» E. | |