CBSE BOARD MATH

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Class IX Science
Hots for Tissues
1. Give four differences between bone and cartilage.
2. Give the functions of cartilage.
3. Give difference between xylem and pholem.
4. What is stomata?
5. Why does epidermal tissue have no intercellular space?
6. Name and give the function of each cell of xylem.
7. Why is blood called connective tissue?
8. State the difference between simple tissues of plants.
9. Explain the structure, function and location of nervous tissue.
10. Describe ‘epidermis’ in plants.

HOTS
The Fundamental Unit of Life
Q1. Explain the types of Plastids in brief.
Q2. Explain the functions and structure of Golgi bodies.
Q3. What is nucleoid?
Q4. What is the difference between plant cells and animal cells?
Q6. What are suicidal bags (lysosomes)?
Q7. What is the function of chromosomes?
Q8. Name the smallest cell in human body?
Q9. Which is the largest cell in human body?
Q10. Why Plant cells are are more rigid than animal cells?
Q11. Explain the process of osmosis in detail.
Q12. Draw and label diagrams of plant cell and animal cell.

Why do we fall ill?
HOTS
1. What are vectors?
2. Name two diseases transmitted by protozoa
3. Give full form of AIDS.
4. Name the organism that causes kala azar.
5. Bacteria is a cell, antibiotics kill bacteria (cell), human body is also made of cells. How does it affect our body?
6. How does cholera becomes epidemic?
7. Why we can�t make antiviral medicines?
8. Becoming exposed to or infected with an infectious microbe does not necessarily mean developing noticeable symptoms.
9. If some one in your family gets infectious disease, what precautions he should take?
10. Give common methods of transmission of diseases.

NATURAL RESOURCES

HOTS
1. Name two chemicals that are depleting ozone layer.
2. Name the types of soil.
3. State 3 methods by which free nitrogen can be converted into nitrates.
4. What is De nitrification?
5. How do fossil fuels cause air pollution?
6. In spite of breathing out carbon dioxide in a large amount and released by combsuion, the atmosphere has mere fraction of CO2 only. Why?
7. What is water pollution? Give its causes and harmful effects?
8. State in brief the role of photosynthesis and respiration in carbon cycle in nature.
9. What is the difference between smog and fog. Give two examples effecrs of smog.
10. Explain carbon cycle

. Do organisms need food?
2. Why?
3. What does food provide?
4. Do you know what are the major sources of food?
5. Name the organism used in the preparation of vermicompost.
6. Name two fertilisers supplying N, P, K to crops.
7. What are the factors on which irrigation requirements depend?
8. What are the various irrigation systems adopted in India?
9. Give any two differences between micro and macro nutrients.
10. What is hybridisation in plants? Mention any two desired characters for which it is done.

Cbse BOARD math by HIPENDRA sir

CLASS IX Test Series
STUDY MATERIAL FOR CBSE CLASS 9 BIOLOGY
Chapter 1 - Diversity in Living Organisms
Chapter 2 - Improvement in Food Resources
Chapter 3 - Natural Resources
Chapter 4 - Why do we fall ill
Chapter 5 - The Fundamental Unit of Life
Chapter 6 - Tissues

Who is the writer of the book � The origin of Species� ?
2. Give examples of monera and Protista
3. What is saprophytic nutrition?
4. What is symbiotic relationship?
5. What is the other name of cotyledons?
6. What is the phylum of jelly fish
7. What are cryptogamae?
8. What is meaning of triploblastic?
9. Nam a fish with skeleton made up of cartilage.
10. Name the reptile made up of four chambered heart.
11. Give examples of fishes which are made up of both bone and cartilage
12. How thallophyta is different from bryophyte.
13. Give two examples of hermaphrodites.
14. Name the opening through which water leaves the body cavity of sponges.
15. Name the extensions used by Amoeba for locomotion.
16. What is haemocoel?
17. Name one parasitic nematode. By HIPENDRA sir biology class nine very important question