Biology
Chemistry
Computer
English
Geography
Hindi
History & Civics
Physics
Science
Displaying 5 out
of 27
questions & answers.
Q1.
Match the words in Column 1 with the phrases in Column 2.
| Column 1 | Column 2 |
| a. Fungicide | i. algae |
| b. Biodiesel | ii. fungal diseaes of wheat |
| c. Transplanting | iii. compost made using earthworms |
| d. Irrigation | iv. growing cereals and legumes alternatively |
| e. Foliar sprays | v. separating watering of crops |
| f. Vermicompost | vi. artificial watering of crops |
| g. Crop rotation | vii. planting seedlings in fields |
| h. Rust and smut | viii. kills fungi |
| i. Winnowing | ix. fertilizer applied on leaves |
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
| Column 1 | Column 2 |
| a. Fungicide | viii |
| b. Biodiesel | i |
| c. Transplanting | vii |
| d. Irrigation | vi |
| e. Foliar sprays | ix |
| f. Vermicompost | iii |
| g. Crop rotation | iv |
| h. Rust and smut | ii |
| i. Winnowing | v |
Q2.
Mark the statements true (T) or false (F) and correct the wrong ones.
- Coffee trees are grown in orchards.
- Crops grown in the rainy season are known as krarif crops.
- Drip irrigation requires more water than basin irrigation.
- Mixed fertilizers contain more than one nutrient.
- Lime is added to make an alkaline soil acidic.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
- False - Coffee trees are raised in plantations.
- T
- F - Drip irrigation requires less water than basin irrigation.
- T
- F - Lime is added to make an acidic soil alkaline.
Q3.
Fill in the blanks.
- Blast is a ______________ disease of _____________.
- Aphids can be controlled by __________________________.
- Cotton, tobacco and medicinal plants are ____________________.
- Abundant humus causes a soil to become ________________.
- When fields are flooded, it is known as _______________ irrigation.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
answer not shownQ4.
Give the scientific name for each of the following.
- Concrete structure used for large-scale storage of grains
- Crops grown in winter
- Loss of salt in soil by excess water
- Large chunks of soil produced by ploughing
- Scattering seeds
- Planting seedlings raised in nurseries in fields
- Spraying water over plants
- Crossing two varieties to produce a better seed
- Chemicals used to control pests
- Ditches made by ploughs
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
answer not shownQ5.
Distinguish between Manure and Green manure.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
answer not shown
