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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.
| 1751. |
Male gametes or sperms are produced in the: |
| A. | Ovaries |
| B. | Penis |
| C. | Testis |
| D. | Sperm ducts |
| Answer» D. Sperm ducts | |
| 1752. |
Green algae are green because of: |
| A. | phycoerythrin |
| B. | chlorophyll |
| C. | xanthophylls |
| D. | phycobilin |
| Answer» C. xanthophylls | |
| 1753. |
Diabetes is caused by________. |
| A. | Excess of insulin |
| B. | Low production of Insulin |
| C. | Malfunction of liver |
| D. | Higher production of bilirubin |
| Answer» C. Malfunction of liver | |
| 1754. |
In which part of the body are the Tarsal bones found? |
| A. | Ear |
| B. | Leg |
| C. | Head |
| D. | Hand |
| Answer» C. Head | |
| 1755. |
Cholera is caused by the bacteria called- |
| A. | Salmonella typhi |
| B. | Clostridium botulinum |
| C. | Treponema palladium |
| D. | Vibrio cholerae |
| Answer» E. | |
| 1756. |
A type of reproduction in which a part of a plant body develops into a new individual is called _________. |
| A. | fission |
| B. | regeneration |
| C. | vegetative propagation |
| D. | sexual propagation |
| Answer» D. sexual propagation | |
| 1757. |
Identify the prokaryotic cell from the following. |
| A. | Cell of blue green algae |
| B. | Cell of bread mould |
| C. | Human cheek cell |
| D. | Onion cell |
| Answer» B. Cell of bread mould | |
| 1758. |
Influenza disease is caused by which of the following? |
| A. | Bacteria |
| B. | Virus |
| C. | Fungi |
| D. | Protozoan |
| Answer» C. Fungi | |
| 1759. |
‘Proboscis’ with reference to an elephant is its ______. |
| A. | tusks |
| B. | head |
| C. | trunk |
| D. | legs |
| Answer» D. legs | |
| 1760. |
In the process of Photosynthesis Carbon Dioxide(CO2) is reduced to which of the components? |
| A. | Protein |
| B. | Fats |
| C. | Carbohydrates |
| D. | None of the above |
| Answer» D. None of the above | |
| 1761. |
Arthritis is a disease that affects the |
| A. | bones |
| B. | Lungs |
| C. | Joints |
| D. | Brain |
| Answer» D. Brain | |
| 1762. |
In amphibians, cells that form the neural tube come from the |
| A. | ectoderm |
| B. | mesoderm |
| C. | notochord |
| D. | somites |
| Answer» B. mesoderm | |
| 1763. |
In 1930, which scientist was awarded the Nobel Prize for describing the human ABO blood group system? |
| A. | Karl Landsteiner |
| B. | Albert Claude |
| C. | George Wald |
| D. | Roger Guillemin |
| Answer» B. Albert Claude | |
| 1764. |
If the stomach did not produce any hydrochloric acid, which enzyme will not function? |
| A. | Ptyalin |
| B. | Rennin |
| C. | Pepsin |
| D. | Lipase |
| Answer» D. Lipase | |
| 1765. |
Name the vaccine used to prevent typhoid. |
| A. | BCG |
| B. | Oral drops |
| C. | DPT vaccination |
| D. | TAB vaccine |
| Answer» E. | |
| 1766. |
Bath sponge is |
| A. | Euplectella |
| B. | Gorgonia |
| C. | Euspongia |
| D. | Vallella |
| Answer» D. Vallella | |
| 1767. |
Identify the microorganism from which the first antibiotic was obtained. |
| A. | Penicillium |
| B. | Rhizopus |
| C. | Staphylococcus |
| D. | Aspergillus |
| Answer» B. Rhizopus | |
| 1768. |
Organelle that aid in storage and secretion of chemical substances is ______. |
| A. | Ribosomes |
| B. | Golgi bodies |
| C. | Plastids |
| D. | Vacuoles |
| Answer» C. Plastids | |
| 1769. |
A drug that prevents infection and decay is called a / an? |
| A. | Germicide |
| B. | Antimalarial drug |
| C. | Antiseptic |
| D. | Analgesic |
| Answer» D. Analgesic | |
| 1770. |
Olericulture is related to the production and marketing of |
| A. | Flower |
| B. | Grapefruit |
| C. | Grapes |
| D. | Vegetables |
| Answer» E. | |
| 1771. |
Jaundice results from malfunctioning of the? |
| A. | Lungs |
| B. | Kidney |
| C. | Stomach |
| D. | Liver |
| Answer» E. | |
| 1772. |
During heavy exercise, we get cramps in the legs due to the accumulation of ______. |
| A. | Carbon dioxide |
| B. | Lactic acid |
| C. | Alcohol |
| D. | Water |
| Answer» C. Alcohol | |
| 1773. |
Malaria can be cured with a drug extracted from? |
| A. | Belladonna tree |
| B. | Amaltas tree |
| C. | Oak tree |
| D. | Cinchona tree |
| Answer» E. | |
| 1774. |
Muscles are attached to the bones by means of: |
| A. | ligaments |
| B. | tendons |
| C. | ribs |
| D. | fibula |
| Answer» C. ribs | |
| 1775. |
A phytohormone is |
| A. | naturally produced |
| B. | synthetic substance |
| C. | both (1) and (2) |
| D. | None of these |
| Answer» D. None of these | |
| 1776. |
Chromosomes contain |
| A. | Protein only |
| B. | DNA and protein |
| C. | DNA, RNA and protein |
| D. | DNA, RNA, histone and non-histone proteins |
| Answer» E. | |
| 1777. |
Find out the mismatched set of muscle features. |
| A. | Skeletal – voluntary |
| B. | Skeletal – striped |
| C. | Smooth – unstriped |
| D. | Smooth – voluntary |
| Answer» E. | |
| 1778. |
Consider the following1. Bats2. Bears3. RodentsThe phenomenon of hibernation can be observed in which of the above kinds of animals? |
| A. | 1 and 2 only |
| B. | 2 only |
| C. | 1, 2 and 3 |
| D. | Hibernation cannot be observed in any of the above |
| Answer» D. Hibernation cannot be observed in any of the above | |
| 1779. |
‘Altitude sickness’ is caused at high altitude due to |
| A. | the high partial pressure of oxygen. |
| B. | the low partial pressure of oxygen. |
| C. | low level of haemoglobin. |
| D. | the high partial pressure of carbon dioxide. |
| Answer» C. low level of haemoglobin. | |
| 1780. |
Capra Hircus is the scientific name of ________. |
| A. | Sheep |
| B. | Cow |
| C. | Horse |
| D. | Goat |
| Answer» E. | |
| 1781. |
If a human disease breaks out across a large region of the world, what is it called? |
| A. | Pandemic |
| B. | Epidemic |
| C. | Endemic |
| D. | Epizootic |
| Answer» B. Epidemic | |
| 1782. |
Choose the option that is NOT true about vascular system. |
| A. | Blood flows at high pressure, with jerk and faster in them. |
| B. | Human heart is the size of an open hand |
| C. | Blood is commonly called the river of life |
| D. | It forms about 7-8% of the body weight |
| Answer» C. Blood is commonly called the river of life | |
| 1783. |
Chlorophyll in photosynthetic prokaryotic bacteria is associated with ________. |
| A. | plastids |
| B. | membranous vesicles |
| C. | nucleoids |
| D. | chromosomes |
| Answer» C. nucleoids | |
| 1784. |
Another name of Java man is |
| A. | Pithecanthropus erectus |
| B. | Homo erectus |
| C. | Homo habilis |
| D. | Both (1) and (2) |
| Answer» E. | |
| 1785. |
Covalently bonded molecules have low melting and boiling points because: |
| A. | Intermolecular forces are medium |
| B. | Intermolecular forces are strong |
| C. | Intermolecular forces are very strong |
| D. | Intermolecular forces are weak |
| Answer» E. | |
| 1786. |
Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of |
| A. | algae and bacheria |
| B. | algae and fungi |
| C. | bacteria and fungi |
| D. | fungi and mosses |
| Answer» C. bacteria and fungi | |
| 1787. |
________ is a part of the male reproductive system in plants. |
| A. | Style |
| B. | Stigma |
| C. | Ovary |
| D. | Stamen |
| Answer» E. | |
| 1788. |
One litre of blood carries how much oxygen to the body tissues |
| A. | 200 ml |
| B. | 50 ml |
| C. | 100 ml |
| D. | 500 ml |
| Answer» C. 100 ml | |
| 1789. |
Hibiscus can be easily propagated by |
| A. | Fragmentation |
| B. | Budding |
| C. | Stem cutting |
| D. | Spore formation |
| Answer» D. Spore formation | |
| 1790. |
Five class classification was proposed by? |
| A. | Whittaker |
| B. | Huxely |
| C. | Linnaeus |
| D. | Lamarck |
| Answer» B. Huxely | |
| 1791. |
Haemoglobin is |
| A. | The iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates with the exception of the fish family as well as the tissues of some invertebrates |
| B. | The iron-containing nitrogen-transport metalloprotein in the red blood cells of all vertebrates with the exception of the fish family as well as the tissues of some invertebrates |
| C. | The iron-containing oxygen-transport in the red blood cells of all vertebrates with the exception of the fish family as well as the tissues of some invertebrates |
| D. | The iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates as well as the tissues of some invertebrates |
| Answer» B. The iron-containing nitrogen-transport metalloprotein in the red blood cells of all vertebrates with the exception of the fish family as well as the tissues of some invertebrates | |
| 1792. |
Blood leaving the liver and moving towards the heart has a higher concentration of _____. |
| A. | Lipids |
| B. | Urea |
| C. | Bile Pigments |
| D. | Carbon dioxide |
| Answer» D. Carbon dioxide | |
| 1793. |
Epidermal cells of plant roots increase their absorption surface by having |
| A. | Scales |
| B. | Root hairs |
| C. | Endodermis |
| D. | Stomata |
| Answer» C. Endodermis | |
| 1794. |
Fats and oils belong to the naturally occurring group of compounds called |
| A. | Carbohydrates |
| B. | Lipids |
| C. | Proteins |
| D. | Terpenes |
| Answer» C. Proteins | |
| 1795. |
Colour of the plants is green due to the presence of _________. |
| A. | Carbon dioxide |
| B. | Chlorophyll |
| C. | Urea |
| D. | Oxygen |
| Answer» C. Urea | |
| 1796. |
Most common disease of poultry in India is |
| A. | fowl pox |
| B. | tick fever |
| C. | ranikhet |
| D. | coryza |
| Answer» D. coryza | |
| 1797. |
Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of |
| A. | hormones |
| B. | enzymes |
| C. | proteins |
| D. | vitamins |
| Answer» C. proteins | |
| 1798. |
Movements due to light are shown by |
| A. | flowering plants |
| B. | lower plants |
| C. | all land plants |
| D. | all the plants |
| Answer» B. lower plants | |
| 1799. |
Radioactivity is a phenomenon of the spontaneous emission of |
| A. | protons (alpha particles) |
| B. | electrons (beta particles) |
| C. | gamma rays (short wave electromagnetic waves) |
| D. | All of the above |
| Answer» E. | |
| 1800. |
After receptors sense stimulus produce a |
| A. | negative feedback |
| B. | self imposed sweating |
| C. | self-corrective mechanism |
| D. | postitive feedback |
| Answer» D. postitive feedback | |