Q1: Statement 1: Wetland farming involves growing crops in soils submerged by natural water flow.
Statement 2: Wetland farming is practiced in areas with abundant rainfall and natural water bodies.
(a) Statements are true, and Statement 2 is the correct explanation of Statement 1.
(b) Both statements are true, but Statement 2 is not the correct explanation of Statement 1.
(c) Statement 1 is true, but Statement 2 is false.
(d) Statement 1 is false, but Statement 2 is true.
Ans: (b)
Wetland farming does involve cultivation in submerged soils, but it can also be practiced in areas with controlled irrigation and not necessarily just in regions with abundant rainfall and natural water bodies.
Q2: Assertion (A): Integrated Farming System (IFS) enhances overall productivity and provides consistent income.
Reason (R): IFS optimizes the use of land, labor, time, and available manures on the farm.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Ans: (a)
Integrated Farming System optimizes resource utilization, leading to enhanced productivity and stable income, making the reason a correct explanation of the assertion.
Q3: Consider the following statements about soil:
Statement 1: Loam soil is rich in nutrients and humus.
Statement 2: Sandy soil is suitable for crops requiring high water retention.
(a) Only Statement 1 is correct.
(b) Only Statement 2 is correct.
(c) Both Statement 1 and Statement 2 are correct.
(d) Neither Statement 1 nor Statement 2 is correct.
Ans: (a)
Loam soil is indeed rich in nutrients and humus, making Statement 1 correct. However, Statement 2 is incorrect as sandy soil is known for poor water retention.
Q4: Arrange the following stages of soil erosion in the correct sequence:
1. Splash Erosion
2. Gully Erosion
3. Sheet Erosion
4. Rill Erosion
(a) 1, 3, 4, 2
(b) 1, 4, 3, 2
(c) 4, 3, 1, 2
(d) 2, 3, 1, 4
Ans: (a)
The correct sequence of soil erosion stages starts with splash erosion, followed by sheet erosion, then rill erosion, and finally gully erosion.
Q5: Statement 1: Organic farming avoids the use of synthetic fertilizers and pesticides.
Statement 2: Organic farming aims to build ecological balance and conserve biodiversity.
(a) Both statements are true, and Statement 2 is the correct explanation of Statement 1.
(b) Both statements are true, but Statement 2 is not the correct explanation of Statement 1.
(c) Statement 1 is true, but Statement 2 is false.
(d) Statement 1 is false, but Statement 2 is true.
Ans: (a)
Organic farming indeed avoids synthetic inputs to maintain ecological balance and biodiversity, making both statements true and interrelated.
Q6: Assertion (A): Zero Tillage farming helps in increasing earthworm activity and organic matter content in the soil.
Reason (R): Zero Tillage farming involves minimal disturbance to the soil, preserving soil structure and biodiversity.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Ans: (a)
Zero Tillage farming preserves soil structure and biodiversity, including earthworm activity, and helps in maintaining organic matter, making R a correct explanation of A.
Q7: Consider the following statements about Organic Farming:
Statement 1: Organic farming prohibits the use of synthetic fertilizers and pesticides.
Statement 2: Crop rotation is not a principle of organic farming.
(a) Only Statement 1 is correct.
(b) Only Statement 2 is correct.
(c) Both Statement 1 and Statement 2 are correct.
(d) Neither Statement 1 nor Statement 2 is correct.
Ans: (a)
Organic farming indeed prohibits the use of synthetic fertilizers and pesticides, making Statement 1 correct. Statement 2 is incorrect as crop rotation is a key principle of organic farming.
Q8: Intercropping is the practice of growing two or more crops simultaneously with distinct row arrangements on the same field.
(a) True
(b) False
Ans: (a)
Intercropping indeed involves growing multiple crops together with distinct row arrangements for better resource utilization.
Q9: Assertion (A): Crop rotation helps in preventing monoculture and improving soil health.
Reason (R): Growing different crops successively on the same land prevents nutrient depletion and pest build-up.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Ans: (a)
Crop rotation prevents monoculture and improves soil health by preventing nutrient depletion and controlling pest build-up, making R a correct explanation of A.
Q10: Consider the following statements regarding types of crops based on their cotyledons:
Statement 1: Monocots have one cotyledon in the seed.
Statement 2: Dicots have three cotyledons in the seed.
(a) Only Statement 1 is correct.
(b) Only Statement 2 is correct.
(c) Both Statement 1 and Statement 2 are correct.
(d) Neither Statement 1 nor Statement 2 is correct.
Ans: (a)
Statement 1 is correct as monocots (monocotyledons) have one cotyledon in their seed. However, Statement 2 is incorrect because dicots (dicotyledons) have two cotyledons in their seed, not three.
Q11: Zero tillage farming leads to higher nitrogen application for organic matter mineralization.
(a) True
(b) False
Ans: (a)
Zero tillage farming often requires higher nitrogen application due to reduced soil disturbance, leading to less mineralization of organic matter.
Q12: Assertion (A): Organic fertilizers improve the water-holding capacity of soil.
Reason (R): They add humus to the soil, enhancing its ability to retain water.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Ans: (a)
Organic fertilizers add humus to the soil, which indeed improves the soil's water-holding capacity.
Q13: Consider the following statements about types of crops based on root systems:
Statement 1: Tap root system crops have a main root that goes deep into the soil.
Statement 2: Fiber-rooted crops have roots that are deep and non-spreading.
(a) Only Statement 1 is correct.
(b) Only Statement 2 is correct.
(c) Both Statement 1 and Statement 2 are correct.
(d) Neither Statement 1 nor Statement 2 is correct.
Ans: (a)
Statement 1 is correct as tap root system crops have a main root that penetrates deep into the soil. However, Statement 2 is incorrect because fiber-rooted crops have shallow, spreading roots, not deep and non-spreading.
Q14: Arrange the following crop classifications based on the length of photoperiod required for floral initiation:
1. Short-day plants
2. Long day’s plants
3. Day-neutral plants
(a) 1, 2, 3
(b) 2, 1, 3
(c) 3, 1, 2
(d) 2, 3, 1
Ans: (a)
The sequence is as per the classification based on photoperiod: Short-day plants flower with short days, Long day’s plants with long days, and Day-neutral plants are indifferent to photoperiod.
Q15: Arrange the following crops based on their water requirements from highest to lowest:
1. Rice
2. Wheat
3. Groundnuts
(a) 1, 2, 3
(b) 2, 1, 3
(c) 3, 2, 1
(d) 1, 3, 2
Ans: (a)
Rice requires the most water, followed by wheat, and groundnuts require the least among the listed crops.
Q16: Assertion (A): The System of Rice Intensification (SRI) increases yield with less water and reduced chemical inputs.
Reason (R): SRI combines practices like changes in nursery management, transplanting timing, and water management.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Ans: (a)
SRI indeed increases yield with less water and reduced inputs, and this is due to the specific combination of practices mentioned, making R the correct explanation of A.
Q17: Consider the following statements about soil components:
Statement 1: Clay has very fine particles and high permeability to water.
Statement 2: Silt particles are finer than sand but coarser than clay.
(a) Only Statement 1 is correct.
(b) Only Statement 2 is correct.
(c) Both Statement 1 and Statement 2 are correct.
(d) Neither Statement 1 nor Statement 2 is correct.
Ans: (b)
Statement 2 is correct as silt is finer than sand but coarser than clay. Statement 1 is incorrect because clay has very fine particles but low permeability to water.
Q18: Assertion (A): Integrated Nutrient Management (INM) is essential for sustainable crop productivity.
Reason (R): INM involves the combination of organic, inorganic, and biofertilizers to replenish soil nutrients.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Ans: (a)
INM is indeed crucial for sustainable crop productivity as it ensures the balanced replenishment of soil nutrients through a combination of different types of fertilizers, making R the correct explanation of A.
Q19: Assertion (A): Crop rotation is an effective strategy in sustainable agriculture.
Reason (R): It helps in maintaining soil fertility and controlling pests and diseases.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Ans: (a)
Crop rotation is indeed a key strategy in sustainable agriculture because it helps preserve soil fertility and control pests and diseases, thus aligning with the principles of sustainable farming practices.
Q20: Consider the following statements about types of cropping:
Statement 1: Relay cropping involves growing the succeeding crop immediately before the harvest of the standing crop.
Statement 2: In intercropping, two or more crops are grown simultaneously with no distinct row arrangement.
(a) Only Statement 1 is correct.
(b) Only Statement 2 is correct.
(c) Both Statement 1 and Statement 2 are correct.
(d) Neither Statement 1 nor Statement 2 is correct.
Ans: (a)
Statement 1 is correct as relay cropping involves planting the next crop before the harvest of the current one. Statement 2 is incorrect because, in intercropping, crops are grown simultaneously but with a distinct row arrangement.
