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P S Verma and V K Agarwal solutions for Class 9 Science chapter 1 - Improvements In Food Resources

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Chapters

P S Verma and V K Agarwal Class 9 Biology - Science Part 3

Class 9 Biology - Science Part 3 - Shaalaa.com

Chapter 1: Improvements In Food Resources

Short Question Answer (Carrying 2 Marks)Short Question Answer ( Carrying 3 Marks)Long Answer Questions (Carrying 5 marks each)

P S Verma and V K Agarwal solutions for Class 9 Science Chapter 1 Exercise Short Question Answer (Carrying 2 Marks) [Pages 63 - 64]

Short Question Answer (Carrying 2 Marks) | Q 1 | Page 63

Distinguish between micronutrients and macronutrients. Give suitable examples.

Short Question Answer (Carrying 2 Marks) | Q 2 | Page 63

Classify nutrients according to their sources.

Short Question Answer (Carrying 2 Marks) | Q 3 | Page 63

How plants get nutrients ?

Short Question Answer (Carrying 2 Marks) | Q 4 | Page 63

Name three most important nutrients required for plant growth.

Short Question Answer (Carrying 2 Marks) | Q 6 | Page 63

 What are advantages of using manure ?

Short Question Answer (Carrying 2 Marks) | Q 7 | Page 63

Give two limitations of using manure.

Short Question Answer (Carrying 2 Marks) | Q 8 | Page 63

Compare the use of manures and fertilizers in maintaining soil fertility.

Short Question Answer (Carrying 2 Marks) | Q 9 | Page 63

Write down two advantages of fertilizer over manure

Short Question Answer (Carrying 2 Marks) | Q 10 | Page 63

During the downpour in a village, the rain water carried away excess of nitrogenous and other compounds present in the soil to a pond. How will they affect the growth of algae and phytoplankton in the pond ?

Short Question Answer (Carrying 2 Marks) | Q 11 | Page 63

Explain the term eutrophication with suitable example

Short Question Answer (Carrying 2 Marks) | Q 12 | Page 63

How does chemical nature of the soil change due to continued use of chemical fertilizers ?

Short Question Answer (Carrying 2 Marks) | Q 13 | Page 63

Explain various methods of fertilizer application

Short Question Answer (Carrying 2 Marks) | Q 14 | Page 63

Distinguish between farmyard manure and compost manure.

Short Question Answer (Carrying 2 Marks) | Q 15 | Page 63

Define manure. What are different manures and how do they affect the soil ?

Short Question Answer (Carrying 2 Marks) | Q 16 | Page 63

What is green manuring ? Give suitable examples for green manures.

Short Question Answer (Carrying 2 Marks) | Q 17 | Page 63

What are fertilizers ? Classify fertilizers.

Short Question Answer (Carrying 2 Marks) | Q 18 | Page 63

Give a short account of biofertilizers.

Short Question Answer (Carrying 2 Marks) | Q 19 | Page 63

Explain why a legume crop does not require nitrogenous fertilizers ?

Short Question Answer (Carrying 2 Marks) | Q 26 | Page 63

Explain the various factors which are responsible for the loss of stored food grains.

Short Question Answer (Carrying 2 Marks) | Q 27 | Page 63

Explain the various preventive measures which are taken before storing the food grains.

Short Question Answer (Carrying 2 Marks) | Q 28 | Page 63

Describe how drying of food grains is done.

Short Question Answer (Carrying 2 Marks) | Q 29 | Page 63

Write down three unique characteristics of storage structure.

Short Question Answer (Carrying 2 Marks) | Q 30 | Page 63

Describe the various methods of controlling pests attacking stored grains.

Short Question Answer (Carrying 2 Marks) | Q 31 | Page 63

As an incharge of a grain store, how will you find out the presence of pests ?

Short Question Answer (Carrying 2 Marks) | Q 32 | Page 63

How does fumigation differ from spraying ?

Short Question Answer (Carrying 2 Marks) | Q 33 | Page 63

'Milk is a very nutritious food'. Use the table given in the book to justify statement.

Short Question Answer (Carrying 2 Marks) | Q 34 | Page 63

Name four animals which provide us food.

Short Question Answer (Carrying 2 Marks) | Q 35 | Page 63

Write down the names of animal products which are used as food.

Short Question Answer (Carrying 2 Marks) | Q 36 | Page 63

How does roughage differ from concentrates with reference to cattle feed ?

Short Question Answer (Carrying 2 Marks) | Q 37 | Page 63

Give an example of average daily feed of a cow.

Short Question Answer (Carrying 2 Marks) | Q 38 | Page 63

What are the sources of "concentrates" given in a cattle feed?

Short Question Answer (Carrying 2 Marks) | Q 39 | Page 63

Write down four main characteristics of good cattle shelter.

Short Question Answer (Carrying 2 Marks) | Q 40 | Page 64

Which method will you suggest for improving the cattle breed and why?

Short Question Answer (Carrying 2 Marks) | Q 41 | Page 64

Write short notes on:

(a) General utility breeds of cow

(b) Breeds of buffalo.

Short Question Answer (Carrying 2 Marks) | Q 42 | Page 64

Mention four steps involved in artificial insemination.

Short Question Answer (Carrying 2 Marks) | Q 43 | Page 64

Define artificial insemination. Write down two advantages of it.

Short Question Answer (Carrying 2 Marks) | Q 44 | Page 64

Write down four symptoms of sick animals.

Short Question Answer (Carrying 2 Marks) | Q 45 | Page 64

Write the characteristic symptoms of :

(a) Mastitis

(b) Foot-and-mouth-disease

Short Question Answer (Carrying 2 Marks) | Q 46 | Page 64

How are high yielding breeds of poultry advantageous over indigenous breeds?

Short Question Answer (Carrying 2 Marks) | Q 47 | Page 64

Mention four advantages of fishery.

Short Question Answer (Carrying 2 Marks) | Q 48 | Page 64

Write a short note on 'Prevention of poultry diseases'?

Short Question Answer (Carrying 2 Marks) | Q 49 | Page 64

Write advantages of bee keeping.

Short Question Answer (Carrying 2 Marks) | Q 50 | Page 64

What are the advantages of composite fish culture?

P S Verma and V K Agarwal solutions for Class 9 Science Chapter 1 Exercise Short Question Answer ( Carrying 3 Marks) [Page 64]

Short Question Answer ( Carrying 3 Marks) | Q 1 | Page 64

Write notes on plants and animals as sources of food.

Short Question Answer ( Carrying 3 Marks) | Q 2 | Page 64

Define green revolution, what are the common objectives of crop improvement?

Short Question Answer ( Carrying 3 Marks) | Q 3 | Page 64

What we do get from cereals, pulses, fruits and vegetables?

P S Verma and V K Agarwal solutions for Class 9 Science Chapter 1 Exercise Long Answer Questions (Carrying 5 marks each) [Pages 64 - 65]

Long Answer Questions (Carrying 5 marks each) | Q 1 | Page 64

Distinguish between fertilizer and manure. Give suitable examples. What are advantages and disadvantages of using fertilizer?

Long Answer Questions (Carrying 5 marks each) | Q 2 | Page 64

Explain the mechanism of compost formation.

Long Answer Questions (Carrying 5 marks each) | Q 3 | Page 64

Explain what will happen if in a cultivated field only manures are supplied and in another field only fertilizers are supplied, keeping all other conditions similar.

Long Answer Questions (Carrying 5 marks each) | Q 7 | Page 64

Explain the various methods of crop improvement. Name one improved variety of Rice, Maize, Soyabean, Sunflower and Mustard.

Long Answer Questions (Carrying 5 marks each) | Q 10 | Page 64

What is feed? What are different type of feed? How is it differ with respect to age and functions?

Long Answer Questions (Carrying 5 marks each) | Q 11 | Page 65

What is artificial insemination? Describe this technique.

Long Answer Questions (Carrying 5 marks each) | Q 13 | Page 65

Write a short note on prevention of animal diseases.

Long Answer Questions (Carrying 5 marks each) | Q 13 | Page 65

How bee colony works? What values can be seen in the organisation of bee colony?

Long Answer Questions (Carrying 5 marks each) | Q 14 | Page 65

Write down the desirable characters of bee variety suitable for bee keeping.

Long Answer Questions (Carrying 5 marks each) | Q 15 | Page 65

What is pasturage and how it is related to honey production?

Long Answer Questions (Carrying 5 marks each) | Q 16 | Page 65

For increasing production, what is common in poultry, fisheries and bee-keeping?

Long Answer Questions (Carrying 5 marks each) | Q 17 | Page 65

How do you differentiate between capture fisheries, inland fisheries and aquaculture?

Long Answer Questions (Carrying 5 marks each) | Q 18 | Page 65

Explain the role of workers in a been colony.

Chapter 1: Improvements In Food Resources

Short Question Answer (Carrying 2 Marks)Short Question Answer ( Carrying 3 Marks)Long Answer Questions (Carrying 5 marks each)

P S Verma and V K Agarwal Class 9 Biology - Science Part 3

Class 9 Biology - Science Part 3 - Shaalaa.com

P S Verma and V K Agarwal solutions for Class 9 Science chapter 1 - Improvements In Food Resources

P S Verma and V K Agarwal solutions for Class 9 Science chapter 1 (Improvements In Food Resources) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 9 Biology - Science Part 3 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. P S Verma and V K Agarwal textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 9 Science chapter 1 Improvements In Food Resources are Improvement in Crop Yields - Crop Variety Improvement, Crop Production Management, Crop Protection Management, Cattle Farming, Improvement in Crop Yields, Poultry Farming, Fish Production, Bee Keeping, Introduction Improvements in Food Resources, Nutrient Management, Irrigation, Cropping Patterns, Animal Husbandry.

Using P S Verma and V K Agarwal Class 9 solutions Improvements In Food Resources exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in P S Verma and V K Agarwal Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 9 prefer P S Verma and V K Agarwal Textbook Solutions to score more in exam.

Get the free view of chapter 1 Improvements In Food Resources Class 9 extra questions for Science and can use Shaalaa.com to keep it handy for your exam preparation

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