Biology 10th class board pattern paper
Biology Chapter No 15 and 18 Important questions/biology 10th class notes , if you attempt these question you will get InshaAllah 100% marks its guaranteed
10th Biology
Chapter 15 and 18
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Q. 1 Choose the Correct Answer. [1
x 10 = 10]
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|||||
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Q
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Questions
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(A)
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(B)
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(C)
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(D)
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1
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Narrow
spectrum antibiotics:
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Ciprofloxacin
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Sulphonamides
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Penicillin.
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Tetracycline
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2
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Synthetic
drug is:
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Penicillin
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Digitalis
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Aspirin.
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None of
these
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3
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Which
are memory cells?
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Beta-lymphocytes.
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RBC’s
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Platelets
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T-Cells
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4
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Antibiotic
resistance in bacteria is example of:
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Evolution.
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Natural
Selection
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Artificial
Selection
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All of these
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5
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The
ratio of F1 in dihybrid cross of Mendel is:
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9:3:3:1
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1:2:1
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3:1
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No ratio.
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6
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Human
height is example of ____ variation
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Continuous.
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Discontinuous
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Pure
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Unpure
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7
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Punnett
square was introduced by a:
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Biologist
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Mathematician.
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Physicist
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Botanist
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8
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Mendel
used _____ peas for experiment.
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28,000
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2,800
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280,000
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280
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9
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New
strand of DNA is called
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Template
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Non-Template.
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Non-Coding
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None of
these
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10
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Did
Mendel use spectacles?
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Yes.
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No
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SECTION II ----- (SHORT QUESTIONS)
Q. 2 Briefly Answer the Following Questions. [2 x 8 = 16]
1 Write note on antibiotic resistance.
2 What are addictive drugs? What they do? Also tell four names.
3 What are vaccines? Write examples.
4 What is co-dominance and incomplete dominance?
5 Explain theory of special creation.
6 Why Mendel was so successful?
7 What is nucleosome?
8 How Mendel control pollination in pea flowers?
SECTION III ----- (EXTENSIVE QUESTIONS)
Question No. 3 ----- [7 Marks]
1 Write a note on Watson and Crick DNA Double Helix Model. (7)
Question No. 4 ----- [7 Marks]
1 Explain antibiotics and their types. (4)
2 Explain mechanism of evolution in light of natural selection. (3)
SECTION IV ----- (PRACTICAL QUESTIONS)
Q. 5 Explain Mendel’s Law of Segregation with F1 and F2 generations. [5]
Q. 6 Show the result by drawing a F2 generation Punnett square for alleles “RrYy” and “RrYy”, where Round Yellow is dominant. [5]
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