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.
| 751. |
Process of digestion is helped by |
| A. | Enzyme |
| B. | Hormone |
| C. | Mineral |
| D. | Vitamin |
| Answer» B. Hormone | |
| 752. |
Which was the first enzyme isolated in pure crystalline form ? |
| A. | Amylase |
| B. | Catalase |
| C. | Lipase |
| D. | Clrease |
| E. | None of these |
| Answer» F. | |
| 753. |
Carbohydrate is stored in the body as |
| A. | glucose |
| B. | starch |
| C. | glycogen |
| D. | sucrose |
| Answer» D. sucrose | |
| 754. |
What is an antibiotic ? |
| A. | A chemical compound produced by a living organism that inhibits the growth of other organisms |
| B. | A compound synthesised by a living organism that inhibits the growth of microbes |
| C. | A synthetic compound inhibiting the growth of other organisms |
| D. | A synthetic compound inhibiting the growth of bacteria |
| Answer» E. | |
| 755. |
Which of the following is a rich source of Vitamin B-12? |
| A. | Cashew nut |
| B. | Milk |
| C. | Apple |
| D. | Watermelon |
| Answer» C. Apple | |
| 756. |
Roundworm is a human parasite found in the |
| A. | Small intestine |
| B. | Liver |
| C. | Stomach |
| D. | Large intestine |
| Answer» E. | |
| 757. |
In which of the following multiple epidermis is found ? |
| A. | Boerhaavia |
| B. | Amaranthus |
| C. | Helianthus |
| D. | Nerium |
| Answer» E. | |
| 758. |
What is the famous Chipko movement associated with? |
| A. | Saving the tigers |
| B. | Saving the wetland |
| C. | None of these |
| D. | Trees |
| Answer» E. | |
| 759. |
Which one of the following is an abnormal constituent of urine ? |
| A. | Creatinine |
| B. | Urea |
| C. | Uric acid |
| D. | Ketone bodies |
| Answer» E. | |
| 760. |
Which one of the following elements is associated with teeth disorder ? |
| A. | Chlorine |
| B. | Fluorine |
| C. | Bromine |
| D. | Iodine |
| Answer» C. Bromine | |
| 761. |
Chlorophyll containing autotrophic thallophytes is called as |
| A. | Algae |
| B. | Lichens |
| C. | Fung |
| D. | Bryophytes |
| Answer» B. Lichens | |
| 762. |
What part of the eye gets inflamed and becomes pink when dust gets into ? |
| A. | Cornea |
| B. | Choroid |
| C. | Conjunctiva |
| D. | Sclerotic |
| Answer» D. Sclerotic | |
| 763. |
Growth of the baby in the uterus is found using |
| A. | X-rays |
| B. | Gamma rays |
| C. | Ultra sound |
| D. | Ultraviolet rays |
| Answer» D. Ultraviolet rays | |
| 764. |
The term ' genetics' was coined by |
| A. | Morgan |
| B. | Mendel |
| C. | Bateson |
| D. | Johannsen |
| Answer» D. Johannsen | |
| 765. |
The sailva secreted in the mouth digests |
| A. | Proteins |
| B. | Starch |
| C. | Fats |
| D. | Vitamins |
| Answer» C. Fats | |
| 766. |
The source of oxygen generated during photosynthesis is : |
| A. | water |
| B. | carbon dioxide |
| C. | chlorophyll |
| D. | mesophyll cells |
| Answer» B. carbon dioxide | |
| 767. |
Which of the following blood group is a universal recipient ? |
| A. | A |
| B. | B |
| C. | AB |
| D. | O |
| Answer» D. O | |
| 768. |
From which part of a plant is turmeric obtained? |
| A. | Root |
| B. | Stem |
| C. | Fruit |
| D. | Flower |
| Answer» C. Fruit | |
| 769. |
Which one of the following chemicals is associated with muscle fatigue? |
| A. | Uric acid |
| B. | Acetic acid |
| C. | Pyruvic acid |
| D. | Lactic acid |
| Answer» E. | |
| 770. |
A seed can germinate in the absence of |
| A. | adequate light |
| B. | |
| C. | supply of oxygen |
| D. | suitable moisture |
| E. | suitable temperature |
| Answer» B. | |
| 771. |
Crossing-over occurs during |
| A. | Leptotene |
| B. | Zygotene |
| C. | Pachytene |
| D. | Diplotene |
| Answer» D. Diplotene | |
| 772. |
Match correctly the insect vectors in List I with the diseases transmitted by them given in List II: |
| A. | a-1, b-4, c-2, d-3 |
| B. | a-2, b-l, c-4, d-3 |
| C. | a-3, b-2, c-1, d-4 |
| D. | a-4, b-3, c-l. d-2 |
| Answer» E. | |
| 773. |
Clove, the commonly used spice, is obtained from the |
| A. | root |
| B. | stem |
| C. | flower bud |
| D. | fruit |
| Answer» D. fruit | |
| 774. |
Carrot is orange in colour because |
| A. | It grows in the soil |
| B. | It is not exposed to sunlight |
| C. | It contains carotene |
| D. | The entire plant is orange in colour |
| Answer» D. The entire plant is orange in colour | |
| 775. |
Which of the following are warm-blooded animals ? |
| A. | Whales |
| B. | Whale Sharks |
| C. | Alytes |
| D. | Draco |
| Answer» B. Whale Sharks | |
| 776. |
Insectivorous plants grow in soil deficient in |
| A. | Calcium |
| B. | Nitrogen |
| C. | Magnesium |
| D. | Water |
| Answer» C. Magnesium | |
| 777. |
The animal which has become extinct recently in India happens to be |
| A. | Golden cat |
| B. | Cheetah |
| C. | Woolly wolf |
| D. | Rhinoceros |
| Answer» C. Woolly wolf | |
| 778. |
Rod shaped bacteria is called |
| A. | Bacillus |
| B. | Spirillum |
| C. | Coccus |
| D. | Coma |
| Answer» B. Spirillum | |
| 779. |
Anglo-Nubian is a breed of : |
| A. | sheep |
| B. | goat |
| C. | poultry |
| D. | cattle |
| Answer» C. poultry | |
| 780. |
A breath test used by traffic police to check drunken driving uses: |
| A. | potassium dichromate-sulphuric acid |
| B. | potassium perma-nganatesulphuric acid |
| C. | turmeric on filter paper |
| D. | silica gel coated with silver nitrate |
| Answer» B. potassium perma-nganatesulphuric acid | |
| 781. |
AIDS virus has : |
| A. | single-stranded RNA |
| B. | double-stranded RNA |
| C. | single-stranded DNA |
| D. | double-stranded DNA |
| Answer» B. double-stranded RNA | |
| 782. |
Maximum photosynthetic activity occurs in : |
| A. | blue and red region of light |
| B. | green and yellow region of light |
| C. | blue and orange region of light |
| D. | violet and orange region of light |
| Answer» B. green and yellow region of light | |
| 783. |
Labourers who do hard manual labour develop thick skin on their palms and soles due to : |
| A. | thick epidermis |
| B. | thick dermis |
| C. | thick subcutaneous tissue |
| D. | All of these |
| Answer» E. | |
| 784. |
Point out the incorrect pair : |
| A. | Green Revolution Agricul-tural Development |
| B. | White Revolution Dairy Development |
| C. | Blue Revolution Development of Fisheries |
| D. | Operation Flood Irrigation Development |
| Answer» E. | |
| 785. |
Genes, the hereditary units, are located in the |
| A. | nuclear membrane |
| B. | chromosomes |
| C. | lysosomes |
| D. | |
| E. | cell membrane |
| Answer» C. lysosomes | |
| 786. |
Which of the following is known as Vitamin B |
| A. | Retinol |
| B. | Thiamin |
| C. | Riboflavin |
| D. | Ascorbic Acid |
| Answer» C. Riboflavin | |
| 787. |
Study of organisms in relation to their environment is called : |
| A. | Ecology |
| B. | Zoology |
| C. | Entomology |
| D. | Palynology |
| Answer» B. Zoology | |
| 788. |
Production of alcohol from organic compounds by microorganisms is known as |
| A. | Combustion |
| B. | Fermentation |
| C. | Anaerobic respiration |
| D. | Aerobic respiration |
| Answer» C. Anaerobic respiration | |
| 789. |
Which of the following food items is rich in iron ? |
| A. | Rice |
| B. | Apple |
| C. | Pulses |
| D. | Orange |
| Answer» C. Pulses | |
| 790. |
Pathogenic bacteria secrete |
| A. | Antigens |
| B. | Antibodies |
| C. | Hormones |
| D. | Interferons |
| Answer» B. Antibodies | |
| 791. |
Who amongst the following was awarded Nobel Prize for path breaking contributions to develop treatment against Parkinson's disease ? |
| A. | Arvid Carlsson |
| B. | Walter Kohn |
| C. | Robert B. Laughlin |
| D. | Ferid Murad |
| Answer» B. Walter Kohn | |
| 792. |
Where is the Botanical Survey of India headquartered ? |
| A. | Lucknow |
| B. | Darjeeling |
| C. | Kolkata |
| D. | Oottaccamund |
| Answer» D. Oottaccamund | |
| 793. |
Bile is stored in the |
| A. | Gall - bladder |
| B. | Duodenum |
| C. | Liver |
| D. | Spleen |
| Answer» B. Duodenum | |
| 794. |
To reduce tooth decay most toothpastes contain a |
| A. | Bromide |
| B. | Fluoride |
| C. | Iodide |
| D. | Chloride |
| Answer» C. Iodide | |
| 795. |
Milk is not considered a balanced diet now-a-days because of the absence of : |
| A. | Magnesium and Vitamin D |
| B. | Iron and Vitamin C |
| C. | Calcium and Vitamin C |
| D. | Iron and Vitamin A |
| Answer» C. Calcium and Vitamin C | |
| 796. |
Which of the following is NOT included in the Technology Mission? |
| A. | Oil seeds |
| B. | Pulses |
| C. | Maize |
| D. | Vegetables |
| Answer» E. | |
| 797. |
Study of field crops is called |
| A. | Pomology |
| B. | Agronomy |
| C. | Olericulture |
| D. | Floriculture |
| Answer» C. Olericulture | |
| 798. |
Adherent mucoid alkaline substance covering the inner lining of stomach is to : |
| A. | digest starch |
| B. | act against bacteria |
| C. | prevent the action of pepsin of mucosa |
| D. | prevent viral infection |
| Answer» D. prevent viral infection | |
| 799. |
Vegetables and fruits should be a part of our diet because they stimulate |
| A. | Peristalsis |
| B. | Salivation |
| C. | Excretion |
| D. | Respiration |
| Answer» B. Salivation | |
| 800. |
The area of the human tongue sensitive to bitterness is restricted to : |
| A. | tip |
| B. | edges |
| C. | middle part |
| D. | posterior part |
| Answer» E. | |