MCQOPTIONS
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MCQOPTIONS
This section includes 176 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The Crops which are grown in rainy season are called |
| A. | Rabi crop |
| B. | Seasonal crop |
| C. | Monsoon crop |
| D. | Kharif crop |
| Answer» E. | |
| 152. |
In the harvested crop the grain seed is separated from the chaff. This process id called ___ |
| A. | Threshing |
| B. | Seeding |
| C. | Ploughing |
| D. | Weeding |
| Answer» B. Seeding | |
| 153. |
Growing different crops alternately on the same land is technically called |
| A. | Crop Alternation |
| B. | Crop Rotation |
| C. | Crop Revolution |
| D. | Crop Change |
| Answer» C. Crop Revolution | |
| 154. |
Now a days seed is sown in the field using |
| A. | Seed Tractor |
| B. | Seed drill |
| C. | Seed Tiller |
| D. | Seed Plough |
| Answer» C. Seed Tiller | |
| 155. |
Which of the following description is true for describing ‘fertiliser’ |
| A. | Used in large quantity |
| B. | Organic in nature |
| C. | Does not cause pollution |
| D. | Produced in factories |
| Answer» E. | |
| 156. |
Moat, Dhekli and Rahat are different |
| A. | Traditional methods of cultivation |
| B. | Traditional methods of Weeding |
| C. | Traditional methods of Seed sowing |
| D. | Traditional methods of irrigation |
| Answer» E. | |
| 157. |
Bacteriophage is a: |
| A. | Bacteria |
| B. | Algae |
| C. | Silverfish |
| D. | Protozoa |
| E. | None of these |
| Answer» D. Protozoa | |
| 158. |
Broadcasting is: |
| A. | Irrigating the field by sprinkler system. |
| B. | Sowing of seeds by hand. |
| C. | Chordata |
| D. | Transferring the seedlings from the nursery. |
| E. | None of these |
| Answer» C. Chordata | |
| 159. |
Match the following: Column A Column B (I) Sowing [A] Butachlor (II) Irrigation [B] Sickle (III) Weeding [C] Seed drill (IV) Harvesting [D] Drip system |
| A. | (I - D), (II - A), (III - C), (IV - B) |
| B. | (I - C), (II - D), (III - B), (IV - A) |
| C. | Monocot |
| D. | (I - B), (II - D), (III - A), (IV - C) |
| E. | None of these |
| Answer» D. (I - B), (II - D), (III - A), (IV - C) | |
| 160. |
Bacillus Anthracis was discovered by: |
| A. | Alexander Fleming |
| B. | Edward Jenner |
| C. | They produce seeds. |
| D. | Louis Pasteur |
| E. | None of these |
| Answer» D. Louis Pasteur | |
| 161. |
In the production of. _____ Yeast is used. |
| A. | Sugar |
| B. | Alcohol |
| C. | Ernst Haeckel |
| D. | Nitrogen |
| E. | None of these |
| Answer» C. Ernst Haeckel | |
| 162. |
Beans and peas are preferably grown in nitrogen deficient soil because: (i) They absorb most of the nitrogen from the soil. (ii) They are leguminous plants. (iii) They have rhizobium in root nodules which can fix atmospheric nitrogen. (iv) They are green plants. |
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | Cartilaginous |
| D. | (i)and(iv) |
| E. | None of these |
| Answer» C. Cartilaginous | |
| 163. |
Which one of the following pairs is incorrect? |
| A. | Rust of wheat - fungi |
| B. | Citrus canker ? bacteria |
| C. | Fleshy fruit |
| D. | Aspergillosis ? Baqteria |
| E. | None of these |
| Answer» E. None of these | |
| 164. |
Hepatitis B is caused by which one of the following organisms? |
| A. | Viruses |
| B. | Bacteria |
| C. | Locomotory organ of echinoderms is tube feet. |
| D. | Algae |
| E. | None of these |
| Answer» B. Bacteria | |
| 165. |
Which one among the following is a useful microorganism? (i) Salmonella typhi (ii) Rhizobium (iii) Lactobacillus (iv) Rhinovirus |
| A. | (i) and (ii) |
| B. | (ii) and (in) |
| C. | Funaria |
| D. | (i) and (iv) |
| E. | None of these |
| Answer» C. Funaria | |
| 166. |
Fermentation refers to conversion of: |
| A. | Sugar into salt |
| B. | Sugar into cellulose |
| C. | Hydra |
| D. | Sugar into water |
| E. | None of these |
| Answer» D. Sugar into water | |
| 167. |
Which one of the following is commonly known a 'Malarial Parasite'? |
| A. | Entamoeba |
| B. | Paramecium |
| C. | Gemmules |
| D. | Algae |
| E. | None of these |
| Answer» D. Algae | |
| 168. |
Special festival in India associated with the harvest seasons are: |
| A. | Pongal |
| B. | Bihu |
| C. | Cnidarians |
| D. | All the above |
| E. | None of these |
| Answer» E. None of these | |
| 169. |
Fertility of soil can be increased by: |
| A. | Crop rotation |
| B. | Adding manures |
| C. | Nematoda |
| D. | All the above |
| E. | None of these |
| Answer» E. None of these | |
| 170. |
Leguminous crop enriches the soil with: |
| A. | Phosphorus |
| B. | Nitrogen |
| C. | Pinus |
| D. | Water |
| E. | None of these |
| Answer» C. Pinus | |
| 171. |
Gunny-bag method is used for: |
| A. | Cultivation of crops |
| B. | Irrigation of crops |
| C. | W-Lycopodium, X-Marchantia, Y-Pinus, Z-lpomoea |
| D. | Storing food grains |
| E. | None of these |
| Answer» E. None of these | |
| 172. |
A 'Combine' machine helps in: |
| A. | Harvesting the crop |
| B. | Threshing the crop |
| C. | Crocodile |
| D. | All the above |
| E. | None of these |
| Answer» E. None of these | |
| 173. |
Next step after harvesting the crop is: |
| A. | Winnowing |
| B. | Threshing |
| C. | Phylum Coelom Feature Arthropoda Coelomate Exoskeleton of chitinous cuticle |
| D. | Weeding |
| E. | None of these |
| Answer» C. Phylum Coelom Feature Arthropoda Coelomate Exoskeleton of chitinous cuticle | |
| 174. |
Match different terms in column I with their related description in column II and select the correct option from the codes given below. Column I Column II (a) Weeding (i) Loosening and turning of soil. (b) Threshing (ii) Removing unwanted plants from a field. (c) Tilling (iii) Cutting and gathering of mature crop (d) Harvesting (iv) Separation of grain from the chaff |
| A. | (a) - (i), (b) - (iii), (c) - (ii), (d) - (iv) |
| B. | (a) - (ii), (b) - (i), (c) - (iv), (d) - (iii) |
| C. | Fertilization is usually internal but in some it may be external |
| D. | (a) - (iv), (b) - (iii), (c) - (i), (d) - (ii) |
| Answer» D. (a) - (iv), (b) - (iii), (c) - (i), (d) - (ii) | |
| 175. |
Pick the odd one out from each series given below and select the correct option. (i) Chain pump, Dhekli, Drip system, Pulley system (ii) Urea, Oxychloride, Potash, Ammonium sulphate (iii) Khurpi, Weedicides, Seed drill, Silos (iv) Sowing, Irrigation, Hybridisation, Harvesting (v) 2, 4-D, MCPA, Butachlor, BHC |
| A. | (i) (ii) (iii) (iv) (v) Dhekli Urea Khurpi Irrigation Butachlor |
| B. | (i) (ii) (iii) (iv) (v) Drip system Oxychloride Silos Hybridisation BHC |
| C. | Phylum Coelom Feature Arthropoda Coelomate Exoskeleton of chitinous cuticle |
| D. | (i) (ii) (iii) (iv) (v) Dhekli Urea Silos Harvesting Butachlor |
| Answer» C. Phylum Coelom Feature Arthropoda Coelomate Exoskeleton of chitinous cuticle | |
| 176. |
A few healthy gram seeds are placed in each of the three pots X, Y and Z containing same type of soil.The soil in pot X is mixed with some green leaves. The soil in pot Y is mixed with old cow dung while soil of pot Z is mixed with urea. Pots are watered regularly and given proper environment for plant-growth. Which of the following will be observed after 10 days? |
| A. | Lot of growth in Z with replenishment of all the nutrients. |
| B. | Lot of growth in X without replenishment of any nutrient. |
| C. | The vascular bundles in their stems are arranged in a ring. |
| D. | Both (a) and (c) |
| Answer» D. Both (a) and (c) | |