CBSE Class 9 Biology Revision Worksheet Set L

Read and download free pdf of CBSE Class 9 Biology Revision Worksheet Set L. Students and teachers of Class 9 Biology can get free printable Worksheets for Class 9 Biology in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 9 students should practice questions and answers given here for Biology in Grade 9 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 9 Biology Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

Biology Worksheet for Class 9

Class 9 Biology students should refer to the following printable worksheet in Pdf in standard 9. This test paper with questions and answers for Grade 9 Biology will be very useful for exams and help you to score good marks

Class 9 Biology Worksheet Pdf

 

CBSE Class 9 Biology Worksheet - Revision (9)

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BIOLOGY

Q1. Name the main substance of which the cell wall is composed of.

Q2. State the role of photoperiod in crop production.

Q3. Name the plastids which have chlorophyll.

Q4. Which cell organelle would you associate with elimination of old and worn out cells?

Q5. Name the chemical substance which gets deposited in the walls of Sclerenchyma.

Q6. Mention the significance of meristems in plants.

Q7. State the ways in which phloem is functionally different from Xylem.

Q8. Which two factors bring about loss of food grains during storage? Give one example each.

Q9. Mention three different ways in which crop plants can be attacked by insect pests. Also

suggest one control measure and two preventive measures against pests.

Q10. Write three distinguishing features between cells of meristematic and permanent plant tissues.

Q11. (a) Write two points of difference between nuclear region of a bacterial cell and

nuclear region of an animal cell.

(b) Which structure present in the nuclear region of a living cell bear genes ?

Q12. (a) What do the terms ‘macronutrients’ and ‘micro-nutrients’ signify ?

(b) Briefly describe the formation of vermicompost and green manure.

(c) List two advantages of using manure for nutrient management.

Q13. Ajay, an illiterate farmer does not understand the difference between manure and

fertilizers. Help him to differentiate between the two, in terms of their

composition.

(a) Justify the use of manure highlighting two of its advantages.

(b) Mention one drawback of excessive use of fertilizers.

DPS MR NAGAR, MATHURA

CLASS 10

SA1 ASSIGNMENT(2014-15)

BIOLOGY

Q1. Name the main substance of which the cell wall is composed of.

Q2. State the role of photoperiod in crop production.

Q3. Name the plastids which have chlorophyll.

Q4. Which cell organelle would you associate with elimination of old and worn out cells?

Q5. Name the chemical substance which gets deposited in the walls of Sclerenchyma.

Q6. Mention the significance of meristems in plants.

Q7. State the ways in which phloem is functionally different from Xylem.

Q8. Which two factors bring about loss of food grains during storage? Give one example each.

Q9. Mention three different ways in which crop plants can be attacked by insect pests. Also

suggest one control measure and two preventive measures against pests.

Q10. Write three distinguishing features between cells of meristematic and permanent plant tissues.

Q11. (a) Write two points of difference between nuclear region of a bacterial cell and

nuclear region of an animal cell.

(b) Which structure present in the nuclear region of a living cell bear genes ?

Q12. (a) What do the terms ‘macronutrients’ and ‘micro-nutrients’ signify ?

(b) Briefly describe the formation of vermicompost and green manure.

(c) List two advantages of using manure for nutrient management.

Q13. Ajay, an illiterate farmer does not understand the difference between manure and

fertilizers. Help him to differentiate between the two, in terms of their

composition.

(a) Justify the use of manure highlighting two of its advantages.

(b) Mention one drawback of excessive use of fertilizers.

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