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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.
| 851. |
Plant embryology can be studied under which branch of biology? |
| A. | Zoology |
| B. | Microbiology |
| C. | Botany |
| D. | Virology |
| Answer» D. Virology | |
| 852. |
'Capra aegagrus hircus' is commonly known as _________. |
| A. | Dog |
| B. | Cow |
| C. | Goat |
| D. | Hen |
| Answer» D. Hen | |
| 853. |
Birds like kites and eagles can see very well in the day due to: |
| A. | Absence of cone cells as well as rod cells |
| B. | Equal number of cone cells and rod cells |
| C. | Large number of cone cells |
| D. | Large number of rod cells |
| Answer» D. Large number of rod cells | |
| 854. |
Fats in our body are formed when |
| A. | there is little glycogen in the body |
| B. | blood sugar level becomes constant |
| C. | glycogen storage in liver and muscles is completed |
| D. | intake of protein is high |
| Answer» D. intake of protein is high | |
| 855. |
Lynx, a species of wild cat is found in which State of India? |
| A. | Telangana |
| B. | West Bengal |
| C. | Maharashtra |
| D. | Jammu and Kashmir |
| Answer» E. | |
| 856. |
Fuel formed under the earth’s surface by the decomposition of organic matter is called _______ fuel. |
| A. | charcoal |
| B. | fossil |
| C. | biomass |
| D. | wood |
| Answer» C. biomass | |
| 857. |
Bacilli are bacteria which are- |
| A. | Comma-shaped |
| B. | Rod-shaped |
| C. | Spiral |
| D. | Spherical |
| Answer» C. Spiral | |
| 858. |
Carotid artery provides Oxygenated blood to which among the following parts? |
| A. | Head & Neck |
| B. | Lungs |
| C. | Kidney |
| D. | Liver |
| Answer» B. Lungs | |
| 859. |
Pollination by insects is called? |
| A. | Entomophily |
| B. | Hydrophily |
| C. | Arnithophily |
| D. | Anemophily |
| Answer» B. Hydrophily | |
| 860. |
An active immune system recruits many cells to the affected tissue to kill off the disease-causing microbe. This process is called _____. |
| A. | contamination |
| B. | inflammation |
| C. | immunization |
| D. | fighting |
| Answer» C. immunization | |
| 861. |
How is the rate of transpiration affected by decreasing humidity and by decreasing light intensity? Decreasing humidity Decreasing light intensity (a). DecreasesDecreases (b).IncreasesDecreases (c).IncreasesIncreases (d).DecreasesIncreases |
| A. | (a) |
| B. | (b) |
| C. | (c) |
| D. | (d) |
| Answer» C. (c) | |
| 862. |
Many marine animals use ________ dissolved in sea-water to make their shells. |
| A. | Acids |
| B. | Alkalis |
| C. | Silica |
| D. | Carbonates |
| Answer» E. | |
| 863. |
Organisms which have similar external appearance with reference to a particular character are called? |
| A. | Phenocopies |
| B. | Phenotypes |
| C. | Analogous |
| D. | Homologous |
| Answer» C. Analogous | |
| 864. |
Blood grouping was discovered by? |
| A. | William Harvey |
| B. | Karl Landsteiner |
| C. | Robert Koch |
| D. | Louis Pasteur |
| Answer» C. Robert Koch | |
| 865. |
Body organisation in Hydra is of |
| A. | Tissue grade |
| B. | Organ grade |
| C. | Cellular grade |
| D. | Organ system grade |
| Answer» B. Organ grade | |
| 866. |
Leela underwent a surgery and is slowly recovering. Name the organelle that should be most active. |
| A. | Cell membrane |
| B. | Plastids |
| C. | Lysosome |
| D. | Ribosome |
| Answer» E. | |
| 867. |
Henri Bacquerel was associated with the discovery of _________. |
| A. | Genetics |
| B. | Radioactivity |
| C. | Inductance |
| D. | Conductivity |
| Answer» C. Inductance | |
| 868. |
One cannot stop food after swallowing because of the: |
| A. | Involuntary nature of intestine |
| B. | Mucous lining |
| C. | Saliva secretion |
| D. | Voluntary nature of intestine |
| Answer» B. Mucous lining | |
| 869. |
Blood is a connective tissue embedded in which type of intercellular matrix? |
| A. | Jelly-like |
| B. | Fluid |
| C. | Dense |
| D. | No option is correct |
| Answer» C. Dense | |
| 870. |
All living organisms are classified into _______ kingdoms under the system proposed by Whittaker (1969), |
| A. | Seven |
| B. | Five |
| C. | One |
| D. | Three |
| Answer» C. One | |
| 871. |
Hormone which stimulates the secretion of pancreatic juce: |
| A. | Enterogastrone |
| B. | Secretin |
| C. | Gastrin |
| D. | Enterokinin |
| Answer» C. Gastrin | |
| 872. |
Inducer in 'Lac operon' is |
| A. | Repressor molecule |
| B. | Lactose |
| C. | Lactase enzyme |
| D. | None of the above |
| Answer» C. Lactase enzyme | |
| 873. |
During Asexual reproduction, Binary fission is seen in which of the following organisms? |
| A. | Bacteria |
| B. | Sponges |
| C. | Earthworms |
| D. | Protozoa |
| Answer» E. | |
| 874. |
Muscle / muscular tissue is responsible for _______ in our body. |
| A. | growth |
| B. | movements |
| C. | breathing |
| D. | drinking |
| Answer» C. breathing | |
| 875. |
Homo erectus differs from cro-Magnon man in |
| A. | having protruded jaws |
| B. | having receding jaws |
| C. | being able to draw pictures of animals |
| D. | all of these |
| Answer» C. being able to draw pictures of animals | |
| 876. |
If by an unknown accident the acid secreting cells of the stomach wall of an individual are damaged, digestion of which one of the following biomolecules will be affected to greater extent? |
| A. | Protein only |
| B. | Lipid |
| C. | Carbohydrate only |
| D. | Protein and Carbohydrate |
| Answer» B. Lipid | |
| 877. |
________ is called ‘the power house of the cell’. |
| A. | Cell membrane |
| B. | Nucleus |
| C. | Mitochondria |
| D. | Golgi bodies |
| Answer» D. Golgi bodies | |
| 878. |
Consider the following statements:A. Humerus bone is found in the human leg.B. The smallest bone of the human body is stapes.Which of the above statements is/are correct?Select the code for the correct answer from the options given below: |
| A. | A only |
| B. | B only |
| C. | Both A and B |
| D. | Neither A nor B |
| Answer» C. Both A and B | |
| 879. |
Mutations are mainly - |
| A. | Harmful |
| B. | Beneficial |
| C. | Recessive |
| D. | Dominant |
| Answer» D. Dominant | |
| 880. |
Java man was discovered by |
| A. | W.C. Pei |
| B. | Eugene Dubois |
| C. | Darwin |
| D. | Robert Brown |
| Answer» C. Darwin | |
| 881. |
Asexual reproduction differs from sexual reproduction in that in asexual reproduction _______. |
| A. | The nuclei of gametes fuse |
| B. | The gametes are produced in reproduction |
| C. | The offspring shows variations |
| D. | The new organisms are genetically identical to the parent |
| Answer» E. | |
| 882. |
Change in the base sequence within the gene is called |
| A. | breeding |
| B. | cloning |
| C. | mutation |
| D. | fusion |
| Answer» D. fusion | |
| 883. |
Professor D.D. Pant has divided Gymnosperms into |
| A. | 4 divisions |
| B. | 3 divisions |
| C. | 6 divisions |
| D. | 8 divisions |
| Answer» C. 6 divisions | |
| 884. |
Number of uriniferous tubules in man (in each kidney) are about- |
| A. | 1 million |
| B. | 2.4 million |
| C. | 5.4 million |
| D. | None of these |
| Answer» B. 2.4 million | |
| 885. |
Hepatitis is caused by ______. |
| A. | Virus |
| B. | Bacteria |
| C. | Parasites |
| D. | Fungi |
| Answer» B. Bacteria | |
| 886. |
Consider the following statements about Nepenthes, a plant that hunts.A. This plant is found in Australia, Indonesia and Meghalaya in India.B. It has a pitcher-like shape and the mouth is covered by a leaf.C. It can trap and eat only small insects.D. It emits a pleasant sound to attract small insects which get trapped and cannot get out.The correct statements are: |
| A. | A and B only |
| B. | A and C only |
| C. | B and D only |
| D. | A, B and C |
| Answer» B. A and C only | |
| 887. |
Organisms made of more than one cell are called_______. |
| A. | Unicellular organism |
| B. | Tissues |
| C. | Multicellular organisms |
| D. | Multiple organ |
| Answer» D. Multiple organ | |
| 888. |
Fossils do not help to ___________. |
| A. | study evolution |
| B. | understand climatic condition in the past |
| C. | for a hierarchy of organisms (classification) |
| D. | they help in all of the above |
| Answer» E. | |
| 889. |
Bryophytes are also called _________ of the plant kingdom. |
| A. | Mammals |
| B. | Amphibians |
| C. | Reptiles |
| D. | Insecta |
| Answer» C. Reptiles | |
| 890. |
___________ is the richest source of Vitamin-C. |
| A. | Lemon |
| B. | Milk |
| C. | Pulses |
| D. | Red meat |
| Answer» B. Milk | |
| 891. |
Metamorphosis in cockroach is regulated mainly by |
| A. | Corpora cardiaca |
| B. | Prothoracic gland |
| C. | Corpora allata |
| D. | Brain |
| Answer» D. Brain | |
| 892. |
Pulse beat is measured from |
| A. | Artery |
| B. | Nerve |
| C. | Capillary |
| D. | Vein |
| Answer» B. Nerve | |
| 893. |
Calcium crystals are a normal part of what body region? |
| A. | Gouty joints |
| B. | The ears |
| C. | The nasal cavity |
| D. | The spine |
| Answer» C. The nasal cavity | |
| 894. |
Chloride Shift is related with |
| A. | O2 transport in blood |
| B. | CO2 transport in blood |
| C. | O2 transport in lungs |
| D. | CO2 transport in air |
| Answer» C. O2 transport in lungs | |
| 895. |
Aquatic animals in which fertilization occurs in water are said to be: |
| A. | Viviparous with external fertilization |
| B. | Viviparous without fertilization |
| C. | Oviparous with external fertilization |
| D. | Oviparous with internal fertilization |
| Answer» D. Oviparous with internal fertilization | |
| 896. |
Match the followingModified stemExample(1) Rhizome(a) Onion(2) Bulb(b) Banana(3) Tuber(c) Potato |
| A. | 1-b, 2-a, 3-c |
| B. | 1-a, 2-c, 3-b |
| C. | 1-c, 2-a, 3-b |
| D. | 1-a, 2-b, 3-c |
| Answer» B. 1-a, 2-c, 3-b | |
| 897. |
In India and elsewhere, biomass can be obtained from _________________. |
| A. | Groundnut shells |
| B. | Sugarcane bagasse |
| C. | Rice husk |
| D. | All options are correct. |
| Answer» E. | |
| 898. |
Name two plants grown for biodiesel and soil nitrogen enrichment respectively: |
| A. | Neem and Jatropha |
| B. | Jatropha and Neem |
| C. | Gliricidia and Jatropha |
| D. | Jatropha and Gliricidia |
| Answer» E. | |
| 899. |
Polymorphism is seen in |
| A. | Coelenterata |
| B. | Annelida |
| C. | Arthropoda |
| D. | Echinodermata |
| Answer» B. Annelida | |
| 900. |
In an accident the anterior pituitary of a four-year-old was severely damaged but the boy survived. What may happen? |
| A. | Low level of thyroxine will be released |
| B. | Spermatogenesis will not be stimulated |
| C. | The boy will not grow much in height |
| D. | The growth of mammary gland will be stimulated |
| Answer» D. The growth of mammary gland will be stimulated | |