General biology

Q1. In the complete year, Rabi Crops are grown in which season?

1. Spring
2. Rainy
3. Summer
4. Winter

Ans. Winter

Q2. Rhizobium Bacteria which fixes atmospheric nitrogen are found in nodules growing in:

1. Leaves of leguminous plants
2. Roots of leguminous plants
3. Stem of leguminous plants
4. All options are correct

Ans. Roots of leguminous plants

Q3. The grain seed is separated from the chaff in the harvested crop. The process is called as:

1. Seeding
2. Weeding
3. Threshing
4. Ploughing

Ans. Threshing

Q4. Select the examples of Multicellular Microorganism from the following:

1. Algae and Fungi
2. Algae and Bacteria
3. Bacteria and Viruses
4. Bacteria and Fungi

Ans. Algae and Fungi

Q5. What is the name of preservative which is commonly used in Jam and Pickles?

1. Nitric Acid
2. Copper Sulphate
3. Sodium Benzoate
4. Sodium Chloride

Ans. Sodium Benzoate

Q6. Select one of these in which Lactobacillus is commonly found:

1. Curd
2. Cake
3. Bread
4. All of the above

Ans. Curd

Q7. The process of injecting weak microbes into a healthy body and producing antibodies to fight against strong microbes is known as –

1. Vaccination
2. Medication
3. Antibiotics
4. None of them

Ans. Vaccination

Q8. The microbe for Malaria disease is carried by –

1. Female Anopheles Mosquito
2. Male Anopheles Mosquito
3. Female Aedes Mosquito
4. Male Aedes Mosquito

Ans. Female Anopheles Mosquito

Q9. Diseases like chicken pox and polio can be caused by –

1. Virus
2. Bacteria
3. Fungi
4. Worms

Ans. Virus

Q10. Coal can be formed from ____

1. Sunlight
2. Steam
3. Fossils
4. Plants

Ans. Fossils

Q11. The process of growing different crops alternatively on the same land is called as:

1. Crop Rotation
2. Crop Change
3. Crop Alternation
4. Crop Revolution

Ans. Crop Rotation

Q12. The natural resource of Sunlight is:

1. Inexhaustible
2. Exhaustible
3. Both of them
4. None of these

Ans. Inexhaustible

Q13. What are Fossils?

1. Coal mines
2. Dead remains of living organism
3. Living beings
4. Kind of natural resource

Ans. Dead remains of living organism

Q14. The farm appliance called as “Combine” is a combination of:

1. Seed drill cum Thresher
2. Plough and Harvester
3. Harvester cum Sprayer
4. Harvester and Thresher

Ans. Harvester and Thresher

Q15. Medicines that obtain micro-organisms to kill or stop the growth of bacteria causing microorganisms are called ____

1. Antiseptics
2. Antibodies
3. Antibiotics
4. All of the above

Ans. Antibiotics