Biology Class: IX Paper

CAMPUS: ______________
Name: ____________________ Date: _____________________

Paper: Biology Class: IX

Total Marks: 12 Marks Obtained: _______ Time: 15 minutes


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Obtained Marks: _________________ Teacher’s signature: _________________


Time: 2 hrs Total Marks: 60
Name: _____________                      Date: ___________
Subject: Biology                                                              Class:  9th
Questions
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Marks Obtained





Note:
Note:
You have four choices for each objective type question as A, B, C, and D. The choice which you think is correct; fill that box in front of that question number. Use marker or pen to fill the box. Cutting or filling two or more boxes will result in zero in that question.
Objective
Time Allowed: 15 mins Total Marks: 12
Q.1 Questions (A) (B) (C) (D)
Members of the same species living in the same place at the same time make a: habitat biosphere community population
Which of these major bioelements is in the highest percentage in protoplasm? carbon hydrogen oxygen nitrogen
Which of the following group includes organisms all of which are absorptive in their nutrition? protists animals bacteria fungi
Which one of these is NOT a characteristic of a hypothesis? must be consistent with all available data must be testable must be correct must make predictions
A scientific theory has which of the following properties? it agrees with available evidence it cannot be rejected it has been absolutely proven it does not need to be altered in the light of new evidence
Viruses are assigned to the kingdom: monera protista fungi None of the above
A related group of genera comprises: an order a family a class a phylum
In which kingdom would you classify unicellular eukaryotes? fungi and plantae fungi and monera only protista only fungi
Which of these materials is not a component of the plasma membrane? lipids carbohydrates proteins DNA
Cells walls are found in these organisms, except for: plants animals bacteria fungi
The __ is a major component of plant cell walls. chitin peptidoglycan cellulose cholesterol
During which phase of mitosis spindles are formed? G2 interphase prophase metaphase











Subjective Part-I
Time Allowed: 1 hr : 45 min Total Marks: 48
Q.2 Answer any five parts from the following. (2x5=10)
Define biotechnology.
What do you mean by horticulture and how is it related to agriculture?
Differentiate between theory and law.
Quantitative observations are better in biological method. How?
State the difference between the modes of nutrition of fungi and animals?
It is difficult to use the criterion of interbreeding to define species of unicellular organisms. Why?
How are taxonomy and systematic related?
Differentiate between the terms “extinct” and “endangered”.
Q.3 Answer any five parts from the following. (2x5=10)
What are the contributions of Whittaker, Margulis and Schwartz in taxonomy?
State the cell theory.
What are the functions of leucoplasts and chromoplasts?
Differentiate between diffusion and facilitated diffusion?
What is meant by hypertonic and hypotonic solutions?
A nerve cell does not divide after its formation. In which phase of cell cycle it is?
How is cytokinasis different in plant cells as compared to animal cell?
What type of cell division occurs when our wounds are healed?
Q.4 Answer any five parts from the following. (2x5=10)
Plants do not make their gametes by meiosis. How is that?
Define cofactor and coenzyme.
What is the main use of enzymes in paper industry?
Why is it said that all life forms are dependent on photosynthesis?
What structures and phenomena are involved in the intake of carbon dioxide and water by plants?
In what ways the respiratory energy is used in the body of organisms?
What is the importance of anaerobic respiration?
State the function of epithelial tissues.


Subjective Part-II
Note: Attempt any two questions. (9x2=18)
Q.5. (a) Describe the levels of organization of life.         (5)
 (b) Draw a table showing the branches of biology and the studies these deal with.     (4)
Q.6. (a) Explain the base for establishing five kingdoms of living organisms.         (5)
 (b) Justify why virus are excluded from the Five-Kingdom.         (4)
Q.7. (a) The S-phase of interphase is important and a cell can never divide without it. Justify. (5)
 (b) Describe necrosis and apoptosis. (4)
















Answer Key
Q.1. Select the best option and circle it.
Q# Right Option
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Biology Class: IX Paper Biology Class: IX Paper Reviewed by Unknown on December 06, 2017 Rating: 5

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