Botany-2 B.Sc/BA PU — University of the Punjab 2019
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BS ZOOLOGY first semester Animal diversity ZOOL 101 - university of Punjab 2025
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Literary criticism
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this paper consists of 60 marks but now we have 35 marks paper.
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Can you please tell me more past papers please because my exams are starting from next week
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Did you provide the past papers of the science of society uos?
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Paper text
UNIVERSITY OF THE PUNJAB
B.A. / B.Sc. Part - II
Annual Examination - 2019
Subject: Botany-II
MAX. TIME: 30 Min.
MAX. MARKS: 14
PAPER: B (Physiology and Ecology)
Attempt this Paper on this Question Sheet only.
Please encircle the correct option. Division of marks is given in front of each question.
This Paper will be collected back after expiry of time limit mentioned above.
Q
1. Fill in the blanks with appropriate terms/words 05 Marks
1. Amylase activity is increased in the presence of ________ ions.
2. The wind transported parent material is termed ________
3. The percentage of moisture when the drainage of a wetted soil slows down is called its ________
4. The principle buffer in blood is ________ buffer.
5. The water molecules exhibit mutual force of attraction due to presence of hydrogen bonds. This is called ________
6. ________ light intensity promotes transpiration.
7. The excess trios-P (3-PGAld) is used for ________ synthesis within the chloroplast or sucrose
synthesis in the cytosol.
8. Mangrove forests replace ________ marshes in tropical regions and support a rich fauna.
9. At about pH 7 the starch is converted to ________
10. The organelle perceiving the stimulus was called ________
Q
2. Select true or false statement by encircling 'T' or 'F' 05 Marks
1. Organic matter of the soil has neutral charged surfaces. T F
2. The matric potential is a measure of the tendency for a matrix to absorb additional
water molecules. T F
3. Natural ecosystems depend upon wind energy entirely. T F
4. Epinasty is induced by ethylene and low concentration of auxin. T F
5. The removal of water by hydrophilic surfaces is called hydration. T F
6. The site of vernilization is the growing point. T F
7. The long-short day plants flower in early summer or early fall. T F
8. Hard seed coat is common in members of Leguminosae. T F
9. The colloidal particles are large enough to be seen with naked eye. T F
10. Proton pumps are the main electrogenic pumps of plants. T F
P.T.O.
