Biology
Inter Part-I
Paper:I
(New Scheme)
Gujranwala Board 2016
Time: 20 Minutes
Marks: 17
OBJECTIVE

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. Use marker or pen to fill the circles. Cutting or 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.

• Casparian strips are present in:
  
  (A)epidermis
  (B)pericycle
  (C)endodermis
  (D)cortex
  
  
• Hepatic and pancreatic secretions are also stimulated by hormone:
  
  (A)gastrin
  (B)insulin
  (C)thyroxin
  (D)secretin
  
  
• Plastocyanin protein contains:
  
  (A)iron
  (B)copper
  (C)magnesium
  (D)potassium
  
  
• The phylum which is exclusively marine is:
  
  (A)cnidaria
  (B)porifera
  (C)echinodermata.
  (D)annelida
  
  
• Rust disease is caused by
  
  (A)puccinia
  (B)ustilago
  (C)rhizopus
  (CI)yeast
  
  
• Population of different species living in the same habitat
  form a:
  
  (A)biome
  (6)biosphere
  (C)ecosystem
  (0)community
  
  
• Enzyme lowers down the energy of:
  
  (A)kinetic
  (B)potential
  (C)activation
  (D)ionic
  
  
• A temperat phage may exist as:

(A)prophage
(B)capsid
(C)proviruse
(D)viriod

• Example of Apicomplexans is:

(A)vorticella
(B)plasmodium
(C)stentor
(D)amoeba

• The normal pH of blood is:
  
  (A)7.0
  (B)6.0
  (C)8.0
  (D)9.0
  
  
• The main sites of exchange of gases in plants are:
  
  (A)stomata
  (B)lenticell
  (C)cuticle
  (D)epidermis
  
  
• Chlorophyll 'a' is:
  
  (A)yellow-green
  (B)orange-green
  (C.)blue-green
  (D)green-black.
  
  
• The presence of notochord is the character of:
  
  (A)arthropoda
  (B)rnollusca
  (C)nematoda
  (D)chordata
  
  
• A haploid spermatozoid fuses with haploid egg to produce diploid:
  
  (A)oosphere
  (B)oospore
  (C)spore
  (D)gamete
  
  
• Important vector in modern genetic engineering is:
  
  (A)nucleoid
  (B)mesosome
  (C)ribosome
  (D)plasmid
  
  
• Ribosomal RNA (rRNA)is synthesized and stored in:
  
  (A)nucleolus
  (B)mitochondria
  (C)nucleus
  (D)chloroplast
  
  
• Cotton is the pure form of:
  
  (A)cellulose
  (B)glycogen
  (C)waxes
  (D)amino acid

Biology
(New Scheme)
Time: 2.40 Hour
Inter Part-I
Paper-I
Gujranwala Board 2016
SUBJECTIVE
Marks: 68

Note: Section I is compulsory. Attempt any three (3)questions from Section II
(SECTION - II)

2. Write short answers to any EIGHT questions: (2x8 16)

• Define theory and scientific law.
• Differentiate between deductive and inductive reasoning.
• How glycosidic bond is different from reptrde bond?
• What are enzyme and co-enzyme?
• Compare pepsin with pepsinogen.
• Differentiate between irreversible and reversible inhibitors.
• Give importance of algae.
• What are red tides?
• Give two characters of ciliates_
• Name a parasitic amoeba. What disease does it cause?
• What is the importance of mycorrhizae for plants.?
• Define parasexuality

3. Write short answers to any EIGHT questions: (2x8=16)

• How smooth endoplasmic reticulum is different from rough type?
• What is function of parenchyma and xylem cell?
• What are accessory pigments? Give one example.
• Differentiate between action spectrum and absorption spectrum.
• What are Metatherians? Give one example.
• How Acoelomate differ from Pseudocoelomate?
• Give two examples of phylum platyhelminthes and nematode
• What is economic importance of arthropodes?
• Name respiratory disorder. Explain one.
• How does CO2 affect the oxygen carrying capacity of haemoglobin?
• Why air is better medium than H20?
• Define the term alveoli and air sac

• What is a priori?
• Write down reproduction in nostoc.
• Why are bryophytes called amphibious plants?
• Write down biological names of shisharm and sweet pea,
• Name any two salivary glands in human.
• What is botulism? Name bacteria which is responsible for this.
• Write down causes and treatment of anorexia nervosa.
• What is a blue baby?
• What is hypertension?

SECTION - II

5. (a)What is the role of study of biology. In the welfare of mankind In the field of protection and conservation of environment? (4)
(b) Give the list of various steps involved in the evolution of seed habit. (4)

6. (a)What are polysaccharides? Describe two different types. (4)
(b)Give the role of large intestine in human beings. (4)

7. (a) Give an account on plastids in plant cella.(4)
(b)Describe the commercial importance specially economic gains due to fungi. (4)

8. (a) Explain five kingdom system of classification. (4)
(b)Describe the Kiel's hypothesis in detail. (4)

9. (a)Give an account of nutrition in bacteria. (4)
(b)Explain why is transpiration called 'necessary evil". (4)