MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 1777 Mcqs, each offering curated multiple-choice questions to sharpen your 9th Class knowledge and support exam preparation. Choose a topic below to get started.
| 751. |
____ is the process of growing two or more crops simultaneously on the same field in a definite row pattern. |
| A. | Mixed cropping |
| B. | Intercropping |
| C. | Crop rotation |
| D. | Both [a] and [c] |
| E. | None of these |
| Answer» C. Crop rotation | |
| 752. |
Which of the following statements is true about manure? |
| A. | Provide only nitrogen to soil. |
| B. | It decreases the fertility of soil. |
| C. | It is formed from cow dung, cattle dung, plant residues. |
| D. | All the above |
| E. | None of these |
| Answer» D. All the above | |
| 753. |
Which of the following conditions will give the most benefits to the farmers? |
| A. | Use of high quality seeds, fertilisers and no irrigation |
| B. | Use of high quality seeds, irrigation, use of fertilisers and crop protection measures |
| C. | Use of ordinary seeds, irrigation and use of fertilisers |
| D. | Use of high quality seeds, irrigation, excessive use of chemical fertilisers and crop protection measures |
| Answer» C. Use of ordinary seeds, irrigation and use of fertilisers | |
| 754. |
Which of the following are the three primary nutrients needed for plant growth? |
| A. | Calcium, sulphur and magnesium. |
| B. | Nitrogen, phosphorus and potassium. |
| C. | Zinc, boron and copper. |
| D. | Calcium/zinc/copper. |
| Answer» C. Zinc, boron and copper. | |
| 755. |
Which of the following is NOT a natural way of destroying bacterial infection? |
| A. | Antibodies produced in the body |
| B. | Production of \[HCl\] in the stomach |
| C. | Antibiotics taken orally or by injection. |
| D. | Phagocytosis by WBCs |
| Answer» C. Antibiotics taken orally or by injection. | |
| 756. |
Which of the following pairs of microorganisms and diseases is wrongly matched? |
| A. | Bacteria - Malaria |
| B. | Fungus - Athlete's foot |
| C. | Protozoa - Sleeping sickness |
| D. | Virus- Tobacco mosaic disease |
| Answer» B. Fungus - Athlete's foot | |
| 757. |
Which of these diseases is spread when the patient coughs? |
| A. | AIDS, TB and hepatitis |
| B. | TB, influenza and cholera |
| C. | TB and influenza |
| D. | TB and hepatitis |
| Answer» D. TB and hepatitis | |
| 758. |
Which of the following diseases is genetic in its origin? |
| A. | Cretinism |
| B. | Rickets |
| C. | Haemophilia |
| D. | Marasmus |
| Answer» D. Marasmus | |
| 759. |
Which substance is/are produced within an organism to prevent the spread of microorganism? |
| A. | Antiseptics |
| B. | Antibiotics |
| C. | Antibodies |
| D. | all of these |
| Answer» D. all of these | |
| 760. |
Which of the following is NOT an air borne disease? |
| A. | Common cold |
| B. | Malaria |
| C. | Pneumonia |
| D. | Tuberculosis |
| Answer» C. Pneumonia | |
| 761. |
Which of these statements is true about common cold? |
| A. | Common cold is not contagious. |
| B. | The bacteria causing common cold, does not have its own RNA. |
| C. | Common cold is a bacterial disease. |
| D. | The virus causing common cold can leave the body of infected people through the mucus. |
| Answer» E. | |
| 762. |
Which of the following body defences traps, engulfs and sweeps disease-causing agents towards the body openings? |
| A. | Body secretions |
| B. | Enzymes and compounds in the blood |
| C. | Mucous membrane |
| D. | Immune system |
| Answer» E. | |
| 763. |
Which is to be taken to prevent dehydration due to diarrhoea? |
| A. | Rice |
| B. | Vitamin pills |
| C. | Bread |
| D. | Boiled and filtered water with some salt and sugar |
| Answer» E. | |
| 764. |
Which of the following is/are communicable diseases? |
| A. | Cold |
| B. | Flu |
| C. | Chicken pox |
| D. | All the above |
| Answer» E. | |
| 765. |
Which of these terms is used to describe a condition that interferes with the normal functioning of the body or mind? |
| A. | Vaccination |
| B. | Epidemic |
| C. | Disease |
| D. | Endemic |
| Answer» D. Endemic | |
| 766. |
Which of these pathogens causes ringworm and athlete's foot? |
| A. | Protozoa |
| B. | Bacteria |
| C. | Fungi |
| D. | Algae |
| Answer» D. Algae | |
| 767. |
Which of these organs, when infected shows symptoms of cough and breathlessness? |
| A. | Heart |
| B. | Lungs |
| C. | Stomach |
| D. | Kidney |
| Answer» C. Stomach | |
| 768. |
Which of the following is not a symptom of tuberculosis? |
| A. | Increase in body weight and tiredness. |
| B. | More than two weeks of coughing bouts. |
| C. | Thick yellowish green sputum produced. |
| D. | An X-ray shows dark spots in the lungs. |
| Answer» B. More than two weeks of coughing bouts. | |
| 769. |
Which of the following organs gets infected by Japanese encephalitis? |
| A. | Kidney |
| B. | Brain |
| C. | Liver |
| D. | Lungs |
| Answer» C. Liver | |
| 770. |
Which of the following groups of the disease, the causative microorganism and disease symptom is/are true? |
| A. | Malaria - Protozoan-Fever and chill |
| B. | Hepatitis-B - Virus - Swollen liver |
| C. | Cholera-Virus -Vomiting & diarrhoea |
| D. | all of these |
| Answer» C. Cholera-Virus -Vomiting & diarrhoea | |
| 771. |
A person is suffering from muscle cramps, vomiting, acute diarrhoea, dehydration and passage of rice water like stool. Which of these diseases is he suffering from? |
| A. | Diptheria |
| B. | Tuberculosis |
| C. | Cholera |
| D. | Typhoid |
| Answer» D. Typhoid | |
| 772. |
Which disease is treated using antibiotics? |
| A. | AIDS |
| B. | Dengue fever |
| C. | Cholera |
| D. | Hepatitis-B |
| Answer» D. Hepatitis-B | |
| 773. |
Which of the following groups represents bacterial diseases? |
| A. | Cholera, tuberculosis, malaria, measles. |
| B. | Cholera, anthrax, tuberculosis, typhoid. |
| C. | Small pox, tuberculosis, malaria, typhoid. |
| D. | Cholera, tuberculosis, typhoid, measles. |
| Answer» D. Cholera, tuberculosis, typhoid, measles. | |
| 774. |
Which of the following is/are viral diseases? |
| A. | Malaria |
| B. | Cholera |
| C. | Hepatitis-B |
| D. | All of these |
| Answer» D. All of these | |
| 775. |
Which antibiotic is extracted from fungi? |
| A. | Streptomycin |
| B. | Penicillin |
| C. | Chloromycetin |
| D. | Framycetin |
| Answer» C. Chloromycetin | |
| 776. |
Which of the following controlling measures can be taken to eradicate Malaria? |
| A. | spraying kerosene on stagnant water. |
| B. | Rearing fish in ponds. |
| C. | Burying empty tins and bottles. |
| D. | All of these |
| Answer» E. | |
| 777. |
Which of these diseases is caused by a protozoan and shows symptoms of fever and chill? |
| A. | Cholera |
| B. | Hepatitis-B |
| C. | Malaria |
| D. | Measles |
| Answer» D. Measles | |
| 778. |
Which of the following disease(s) is/are caused by the bite of mosquitoes? |
| A. | Dengue fever |
| B. | Malaria |
| C. | Cholera |
| D. | Both [a] and [b] |
| Answer» E. | |
| 779. |
Which of these diseases are transmitted through body fluids? |
| A. | AIDS and hepatitis-B |
| B. | Malaria and typhoid |
| C. | Influenza and cholera |
| D. | Cholera and rabies |
| Answer» B. Malaria and typhoid | |
| 780. |
Which of the following is a bacterial disease? |
| A. | AIDS |
| B. | Lockjaw |
| C. | Arthritis |
| D. | Sleeping sickness |
| Answer» E. | |
| 781. |
Which of the following diseases are caused due to the defects that are present from birth? |
| A. | Deficiency |
| B. | Hormonal |
| C. | Infectious |
| D. | Congenital |
| Answer» E. | |
| 782. |
Which of the following microorganisms causes ringworm. |
| A. | Bacteria |
| B. | Protozoa |
| C. | Fungi |
| D. | Virus |
| Answer» D. Virus | |
| 783. |
Which of the following microorganisms causes peptic ulcers? |
| A. | Staphylococcus aureus |
| B. | Streptococcus pneumonia |
| C. | Helicobacter pylori |
| D. | Nisseria |
| Answer» D. Nisseria | |
| 784. |
Which of the following is a non-infectious disease? |
| A. | Arthritis |
| B. | AIDS |
| C. | Tetanus |
| D. | Sleeping sickness |
| Answer» B. AIDS | |
| 785. |
Which of the following group is called pathogens? |
| A. | Viruses, bacteria and fungi |
| B. | Measles, mumps and chicken pox |
| C. | Cholesterol, saturate fat, and helminthes |
| D. | All of the above |
| Answer» C. Cholesterol, saturate fat, and helminthes | |
| 786. |
Which of the following diseases spreads through infected needles or blood transfusion? |
| A. | Jaundice |
| B. | AIDS |
| C. | Measles |
| D. | Polio |
| Answer» B. AIDS | |
| 787. |
Which of the following is NOT a viral disease? |
| A. | Pertussis |
| B. | Rabies |
| C. | Rubella |
| D. | Chicken pox |
| Answer» B. Rabies | |
| 788. |
Which of the following is a causative agent of the disease, Kalazar? |
| A. | Leishmania |
| B. | The disease is genetic in origin |
| C. | Genes |
| D. | Wuchereria bancroftii |
| Answer» B. The disease is genetic in origin | |
| 789. |
Which of the following protozoans causes amoebic dysentery? |
| A. | Entamoeba histolytica |
| B. | Giardia lamblia |
| C. | Escherichia coli |
| D. | Entamoeba coli |
| Answer» B. Giardia lamblia | |
| 790. |
Which of the following organisms causes malaria? |
| A. | Paramoecium |
| B. | Plasmodium |
| C. | Flavi-virus |
| D. | Taxoplasma |
| Answer» B. Plasmodium | |
| 791. |
Which of the following vectors carries the virus that causes yellow fever? |
| A. | Aedes mosquito |
| B. | Culex mosquito |
| C. | Blackfly |
| D. | Putsi fly |
| Answer» C. Blackfly | |
| 792. |
Which of the following cause(s) infectious diseases? |
| A. | Pollutants |
| B. | Harmful lifestyle |
| C. | Inheritance |
| D. | Microorganisms |
| Answer» B. Harmful lifestyle | |
| 793. |
Why are houseflies NOT considered as biological vectors? |
| A. | They do not spread diseases. |
| B. | They do not transmit disease directly. |
| C. | They are parasites and not vectors. |
| D. | All of these |
| Answer» E. | |
| 794. |
A person is suffering from loss of appetite, nausea, mild fever and dark coloured urine. The patient is suffering from |
| A. | Malaria. |
| B. | Cholera. |
| C. | Jaundice. |
| D. | Typhoid. |
| Answer» D. Typhoid. | |
| 795. |
If the distance between two masses be doubled, then the force between them will become |
| A. | \[\frac{1}{4}\]times |
| B. | 4 times? |
| C. | \[\frac{1}{2}\]times |
| D. | 2 times |
| Answer» B. 4 times? | |
| 796. |
The radius of earth is about 6400 km and that of mars is 3200 km. Thus mass of the earth is about 10 times mass of mars. An object weighs 200 N on the surface of earth. Then its weight on the surface of mars will be |
| A. | 80 N |
| B. | 40 N |
| C. | 20 N |
| D. | 8N |
| Answer» B. 40 N | |
| 797. |
A ball is dropped from a spacecraft revolving around the earth at height of 120 km. What will happen to the ball? |
| A. | It will continue to move with the same speed along the original orbit of spacecraft |
| B. | It will move with the same speed, tangentially to the spacecraft |
| C. | It will fall down to the earth gradually |
| D. | It will go very far in space |
| Answer» B. It will move with the same speed, tangentially to the spacecraft | |
| 798. |
Moon has no atmosphere because |
| A. | it is a satellite of earth |
| B. | it does not have population |
| C. | it is colder than earth |
| D. | r.m.s velocity of all the gases is more than the escape velocity from its surface |
| Answer» E. | |
| 799. |
Which of the following will require least force to penetrate the piece of wood? |
| A. | Sharp iron nail |
| B. | Blunt Iron rod |
| C. | Thin sheet of steel |
| D. | A Hammer |
| E. | None of these |
| Answer» B. Blunt Iron rod | |
| 800. |
Average distance of the earth from the sun is\[{{L}_{1}}\]. If one year of the earth = D days, one year of another planet whose average distance from the sun is \[{{L}_{2}}\] will be |
| A. | \[D{{\left( \frac{{{L}_{2}}}{{{L}_{1}}} \right)}^{1/2}}days\] |
| B. | \[D{{\left( \frac{{{L}_{2}}}{{{L}_{1}}} \right)}^{3/2}}days\] |
| C. | \[D{{\left( \frac{{{L}_{2}}}{{{L}_{1}}} \right)}^{2/3}}days\] |
| D. | \[D\left( \frac{{{L}_{2}}}{{{L}_{1}}} \right)days\] |
| Answer» C. \[D{{\left( \frac{{{L}_{2}}}{{{L}_{1}}} \right)}^{2/3}}days\] | |