Fonte: gare di altri paesi/India/biologia/inbo2012-Q.pdf · Apri PDF · apri PDF p.34
Soluzioni (stessa cartella): · · · · · · · · · · ·
Problema 1
Q1
Metodi: Physical Modeling Competenze: Physical Reasoning Fonte: Testo (PDF) — p.34
Problema 2
Q2
Metodi: Physical Modeling Competenze: Physical Reasoning Fonte: Testo (PDF) — p.34
Problema 3
Q3
Metodi: Physical Modeling Competenze: Physical Reasoning Fonte: Testo (PDF) — p.34
Problema 4
Q4 Tectona grandis 7 8 5 6 Dillenia pentagyna 1 1
Cordia sebastiana 3
3 3 Terminalia arjuna 6 6 6 6 Oroxylum indicum
3 Fimrania colorata
12 Disopyros melanoxylon 16 8 8 2 Lagerstroemia parviflora 43 31 35
Dalbergia sisoo 31
Downstream P Q R S 35 (A) The lines ( ---------- ) and ( ______ ) most likely represent: a. phosphorus and nitrogen levels b. nitrogen and oxygen levels c. dissolved oxygen and carbon dioxide levels d. decomposer microbes and oxygen levels Choose from the options and put a tick mark (✔) in the appropriate box.
a. b. c. d.
(B) Zone of recovery would be: P / Q / R / S
(C) The zone in which active swimmers will not be found would be: P / Q / R / S
- (3 points) Ecological pyramids depict the inter-relationships between the various trophic levels. Four pyramids are shown below. Match them against the correct description
C3 P C1 C2 D I C2 P D C1 II P C2 C1 III C3 C1 C2 IV P 36 (A) Pyramid of biomass in a tree ecosystem: _______
(B) Number pyramid of grassland ecosystem: _________
(C) Pyramid of biomass in a pond: __________
- (2 points) Soda lime is a mixture of sodium hydroxide and calcium hydroxide and can be used to measure the rate of CO2 production by soil microorganisms. It reacts with CO2 as follows:
Ca(OH)2 + 2 NaOH + 2CO2 Æ CaCO3 + Na2CO3 + 2H2O
Assume the following:
I. Weight of dry soda lime just before the experiment: ‘A’ gm
II. ‘A’ gm soda lime incubated with soil in airtight container for 4 days and weighed: B gm
III. ‘A’ gm soda lime incubated without soil in airtight container for 4 days and weighed: C gm
IV. Sample II dried and weighed: Bd
V. Sample III dried and weighed: Cd
(Assume that soil moisture has no effect on the results.) Answer the following questions:
i. Amount of CO2 present in air inside the container: 37 Answer: ___________
ii. Amount of CO2 produced by soil organisms: Answer: ___________
BIOSYSTEMATICS (6.5 points)
- (6.5 points) Analyse the following schematic figures depicting basic architecture of body plan for multicellular animals and answer questions A – C. 38
(A) A ‘true’ coelom is represented in: a. A and B only b. A only c. B and C only d. A, C and D only e. B, C and G only
Choose from the options and put a tick mark (✔) in the appropriate box. a. b. c. d.
(B) The most likely evolutionary sequence of body plans acquired by multicellular animals is represented by: a. E Æ F Æ G Æ C Æ A b. E Æ G Æ D Æ C Æ A c. F Æ E Æ G Æ D Æ C Æ B Æ A d. F Æ E Æ G Æ C Æ A Choose from the options and put a tick mark (✔) in the appropriate box. a. b. c. d.
(C) Choose the correct body plan from A to G and fill in the table. 39
Column I Column II Name of the animal Body Plan (i) Silverfish
(ii) Planaria
(iii) Jelly fish
(iv) Lizard
(v) Ascaris
********** END OF SECTION B ***********
Metodi: Physical Modeling Competenze: Physical Reasoning Fonte: Testo (PDF) — p.34