Inter (Part – 11) Gujranwala Board 2014
Biology (New Scheme) Paper: 11(Objective)
Time: 20 Minutes Marks: 17
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 circle in front of that question number with marker or pen on the answer book provided. Cutting of filling two or more circles will result in zero mark in that question. Attempt as many questions as given in objective type question paper and leave others blank.

• Acetabularia is an/a
  
  (A)epiphyte
  (B)alga
  (C)fungus
  (D)angiosperm
  
  
• Repeationg units of DNA are called
  
  (A)his tones
  (B)nucleosides
  (C)nucleotides
  (D)amino acids
  
  
• Chromatin network is visible during
  
  (A)interphone
  (B)prophase
  (C)metaphase
  (D)anaphase
  
  
• Microubules are composed of
  
  (A)Tubulin
  (B)insulin
  (C)Hemoglobin
  (D)adrenaline
  
  
• In 1901, ABO group system was discovered by
  
  (A)Punnet
  (B)Karl Land Steiner
  (C)Bernstein
  (D)wiener
  
  
• The basic pairs in human genome are
  
  (A)two billions
  (B)three billions
  (C)four billions
  (D)five billions
  
  
• In natural selection, the environment plays role affecting the proportion of gene in
  
  (A)Population
  (B)a community
  (C)Area
  (D)biome
  
  
• In 1917, term niche was first proposed by American Omithologist named
  
  (A)Charles Eltarf
  (B)Joseph Grinnell
  (C)Fungus
  (D)Lamark
  
  
• Northern coniferous forests are also called
  
  (A)Savanna
  (B)prairies
  (C)Taiga
  (D)tundra
  
  
• Tobacco plant produces flowers in
  
  (A)Spring
  (B)summer
  (C)Autumn
  (D)winter
  
  
• In human mental illness disease is due to
  
  (A)Alzheimer
  (B)Kwashiorkor
  (C)Diphtheria
  (D)hemophilia
  
  
• Protonephridium is found in
  
  (A)Hydra
  (B)planarian
  (C)Earthworm
  (D)cockroach
  
  
• The central station of metabolism and the body central metabolic clearing agent is
  
  (A)Stomach
  (B)liver
  (C)Kidneys
  (D)gut
  
  
• The inactive non-conducting wood is called
  
  (A)Heart wood
  (B)sap wood
  (C)Cork
  (D)bark
  
  
• Action of the Venus fly trap is
  
  (A)Nectinasty
  (B)photo nasty
  (C)Hyponasty
  (D)thermo nasty
  
  
• Endocrine glands secrets
  
  (A)Hormones
  (B)salts
  (C)Enzymes
  (D)mucous
  
  
• Fruit ripening is due to there production of
  
  (A)Auxins
  (B)cytokine
  (C)Gibberellins
  (D)ethane
  

Inter (Part – 11) Gujranwala Board 2014
Biology (New Scheme)  Paper: II (subjective)
Time: 3:10 hours Marks: 83
Note:  Section 1 is compulsory. Attempt any three (3) questions from section 11 and any three parts from section 111.
(SECTION – 1)

Write short answers to any EIGHT questions: 16

• Difference between shivering and none shivering homogenizes.
• Sketch metabolic pathway of urea cycle.
• Difference between urethra and urethra.
• Define rickets. Write its cause and cure.
• Difference between epinasty and hyponasty
• What is cleft plate?
• Define embryonic induction
• Difference between karykinesis and cykokinesis.
• What is meant by non-disjunction?
• What changes occur in dividing cell during deplotene?
• Difference between homologous and analogous organs.
• Name any four species declared extinct in Pakistan.

Write short answers to any eight questions: 16

• What is commercial application of Gibberellins
• Define effectors/ Give their examples.
• Compare Dendrites with Axons
• What is Apomixes?
• Difference between Identical and Fraternal twins.
• Compare oviparous with viviparous.
• Define Bioreactors.
• What is Gene therapy?
• What do you mean by Limnetic Zone?
• Define demography?
• Define Desertification?
• What are the renewable resources?

Write short answers to any SIX questions: 12

• What is sickle cell anemia
• What are point mutations? Give examples.
• Difference between  purines and pyrimidienes
• What is a test cross? Give its example?
• What is pleiotrpy? Give two examples?
• Difference between alleles and multiple alleles
• What is succession?
• What is predation? Give its significance
• Differentiate between autecology’s and synecology

(SECTION – II)
Question#5
(a) Describe exertion in plants.4
(b) Write a note on ozone layer depletion. 4

Question#5
(a) Describe different types of Para tonic movements in plants. 4
(b)Describe the comparative anatomy as an evidence of evolution. 4

Question#7
(a)How is nerve impulse passed from one neurone to another neuron? Explain. 4
(b)Define ecosystem. Describe various components of an ecosystem. 4

Question#8
(a)Give causes and effects of four sexually transmiotted diseases(STD) . 4
(b)How did Meselson and stahl show that DNA replication is semi conservative? 4  

Question#9
(a)write a note on aging? 4
(b)define and explain crossing ever? 4

(SECTION – (111) (Practical)
Question#10

(a)Sketch and label the female urinogenital system of frog. 5
(b)sketch and label pelvic girdle of frog. 5
(c)write down procedure to study mitosis in onion root tip. 5
(d)Draw flow chart of food web in the ponds Ecosystem. 5
(e) (i)what are hydrophytes? Give exam
(ii)name the most common auxin.
(iii)what is the function of atlas?
(iv)What is meant by soil texture?
(v)Define food web.