The study of soils in relation to crop growth.

Last Answer : (i) Characteristic of black soil : It is able to retain moisture. (ii) Characteristic of red soil : It is rich in potash and become fertile with proper use of fertilizers and irrigation.

Consider the following statements: 1. In India, groundnut crop is raised mostly during the Khartf season under rainfed conditions. 2. In India, tobacco is cultivated only in black cotton soils. Which of the statements given above is/are correct? [IAS 2007] (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

Description : Consider the following statements: 1. In India, groundnut crop is raised mostly during the Khartf season under rainfed conditions. 2. In India, tobacco is cultivated only in black cotton soils. Which of the statements given above is/ ... ] (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

Last Answer : Ans: (a)

Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? [CSAT 2011] (a) It greatly increases the crop production (b) It makes some soils impermeable (c) It raises the water table (d) It fills the air spaces in the soil with water

Description : Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? [CSAT 2011] (a) It greatly increases ... c) It raises the water table (d) It fills the air spaces in the soil with water

Last Answer : Ans: (b)

Alluvial soils are rich soil for crop cultivation but are poor in– (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Description : Alluvial soils are rich soil for crop cultivation but are poor in– (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Last Answer : (2) nitrogen and humus Explanation: Alluvial soils are fertile soils composed of sediments deposited by rivers and the waves. However, they are usually deficient in nitrogen and ... With suitable irrigation, fertilizers and proper agricultural practices, alluvial soils are generally very fertile.

Which one of the following plants are used as green manure in crop fields and in sandy soils? (a) Crotalaria juncea and Alhagi camelorum (b) Calotropis procera and Phyllanthus niruri (c) Saccharum munja and Lantana camara (d) Dichanthium annulatum and Azolla nilotica

Description : Which one of the following plants are used as green manure in crop fields and in sandy soils? (a) Crotalaria juncea and Alhagi camelorum (b) Calotropis procera and Phyllanthus niruri (c) Saccharum munja and Lantana camara (d) Dichanthium annulatum and Azolla nilotica

Last Answer : (a) Crotalaria juncea and Alhagi camelorum

Alluvial soils are rich soil for crop cultivation but are poor in (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Description : Alluvial soils are rich soil for crop cultivation but are poor in (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Last Answer : nitrogen and humus

The study of interactions between living organism and environment is called as

Description : The study of interactions between living organism and environment is called as

Last Answer : Ans. Ecology

To study two factors with different level of precision, which design is used

Description : To study two factors with different level of precision, which design is used

Last Answer : Ans. Split plot design

The study the association or degree and deviation between two or more variables.

Description : The study the association or degree and deviation between two or more variables.

Last Answer : Ans. Correlation

The study of the way in which genes operate and the way in which they are transmitted (heredity) from parents to offsprings

Description : The study of the way in which genes operate and the way in which they are transmitted (heredity) from parents to offsprings

Last Answer : Ans. Genetics

Study of origin, classification, morphology of soil is known as

Description : Study of origin, classification, morphology of soil is known as

Last Answer : Ans. Pedology

“The study of envelope of air surrounding the planet and of the phenomenon associated with atmosphere.”

Description : “The study of envelope of air surrounding the planet and of the phenomenon associated with atmosphere.”

Last Answer : Ans. Meteorology

Study the following statements: 1. Tea plants thrive best in alkaline soils with rainfall above 150 cm and temperature between 20 - 30°C 2. The most important stimulant both in tea and coffee is caffeine 3. ****, a popular alcoholic drink, especially among women, is prepared by distillation of fruit juices, mainly grapes 4. The drug cocaine is obtained from the roasted seeds of the cacao tree Which of the above statement/s is/are not true? (a) 1, 3, and 4 (b) 2 and 4 (c) 1 and 4 (d) Only 2

Description : Study the following statements: 1. Tea plants thrive best in alkaline soils with rainfall above 150 cm and temperature between 20 - 30°C 2. The most important stimulant both in tea and coffee is caffeine 3. Wine, a popular alcoholic drink ... true? (a) 1, 3, and 4 (b) 2 and 4 (c) 1 and 4 (d) Only 2

Last Answer : Ans:(a)

Consider the following pairs: 1. Entomology-Study of insects 2. Mycology-Study of algae 3. Pedology-Study of soils 4. Pharmacology Study of medicine and their effect Which of the above pairs are correctly matched? (a) 1 and 4 (b) 3 and 4 (c) 1, 3, and 4 (d) 1, 2, 3, and 4

Description : Consider the following pairs: 1. Entomology-Study of insects 2. Mycology-Study of algae 3. Pedology-Study of soils 4. Pharmacology Study of medicine and their effect Which of the above pairs are correctly matched? (a) 1 and 4 (b) 3 and 4 (c) 1, 3, and 4 (d) 1, 2, 3, and 4

Last Answer : Ans:(b)

study of soils about how it influences and interacts with living things, especially plants/ crops is called ________ c. Ethologyd. Ichthyology_ a. Pedology b. Edaphology

Description : study of soils about how it influences and interacts with living things, especially plants/ crops is called _________? a. Pedology b. Edaphology c. Ethology d. Ichthyology

Last Answer : b. Edaphology

Mean applied when deals with relative changes eg. Bacterial growth, cell division, population

Description : Mean applied when deals with relative changes eg. Bacterial growth, cell division, population

Last Answer : Ans. GM

The growth habit of Chrysanthemum

Description : The growth habit of Chrysanthemum

Last Answer : Ans. Perennial

Which growth regulator is isolated from yam?

Description : Which growth regulator is isolated from yam?

Last Answer : Ans. Batasin

Concentration of a nutrient in plant tissue where growth of the plant is slowed down

Description : Concentration of a nutrient in plant tissue where growth of the plant is slowed down