AHSEC| CLASS 12| BIOLOGY| PRACTICAL QUESTION PAPER - 2024| H.S. 2ND YEAR
2024
BIOLOGY
(Botany/ Zoology)
(Practical)
Full Marks: 15
Time: 1.5 hours
The figures in the margin indicate
full marks for the questions.
1. Dissect and display the reproductive parts of the supplied specimen 'A'. Draw the labeled diagram of dissected parts and describe in scientific terms. 1+2+2=5
2. Study the population frequency of the
plants found in the campus of your institution using quadrate method. Write
requisitions for the experiment. Records your observations and find out results
of the experiment. 1+2+1=4
Or
Study the mitosis in supplied sample 'B'. Write principle of the
experiment. Record your observations and draw the stage of the division.
2+1+1=4
3. Identify the specimens 'C', 'D' and 'E'
with comments. 1x3=3
4. Practical Record book. 3
(ZOOLOGY)
(Practical)
Full Marks:15
Time: 1.5 hours
The figures in the margin indicate
full marks for the questions.
1. Determine the pH of supplied water
sample 'A' to you. Write the names of two living organism observed under
microscope. 1+0.5+0.5=2
2. Prepare a pedigree chart using standard
symbol from the data (sample 'B') supplied to you. Write the genotype of each
person. 3+1=4
3. Identify the specimen 'C' with at least
one specific reasons. 1+1=2
4. Write two adaptive features of the
specimen 'D'. 0.5+0.5=1
5. Identify the specimen 'E'. Write two
symptoms of two diseases caused by this. 1+0.5+0.5=2
6. Practical Record Book. 4
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