BIOLOGY
CLASS FIRST YEAR
FAISALABAD BOARD 2015
PAPER BIOLOGY PART-I
Time: 20 Min. (Objective Part)
Marks: 17
Note; Four answer are given against each question in columns A, B,C and D.Select the right answer and on the separate Answer Sheet, fill the circle A,B,C or D with pen or marker in front of that question number.

Question#1

• The normal pH of human blood is:
  
  (a) 5.4
  (b) 6.4
  (c) 7.4
  (d) 9.4
  
  
• One cubic millimeter of human male blood contains RBC:
  
  (a) 4-4.5 minions
  (b) 5-5.5 millions
  (c) 6-6.5 millions
  (d) 3-3.5 millions
  
  
• Water is more viscous than air:
  
  (a) 10 times
  (b) 20 times
  (c) 50 times
  (d) 100 times
  
  
•  Which one is parasitic plant?
  
  (a) Pitcher plant
  (b) Venus fly trap
  (c) Sundew
  (d) Dodder
  
  
• A kind of chemical link between anabolism and catabolism:
  
  (a) Protein
  (b) Glucose
  (c) ATP
  (d) None of these
  
  
• The spiny skinned animals are included in:
  
  (a) Porifera
  (b) Echinodermata
  (c) Annelida
  (d) Mollusca
  
  
• A rasping tongue like radula having horny teeth is present in:
  
  (a) Sponges
  (b) Coelenterates
  (c) Annelids
  (d) Mollusca
  
  
• Mosses are:
  
  (a) Arthrophytes
  (b) Spermatophytes
  (c) Bryophytes
  (d) Tracheophytes
  
  
• First discovered antibiotic is:
  
  (a) Lovastatin
  (b) Cyclosporine
  (c) Penicillin
  (d) Ergotine
  
  
• The protozoans having two kinds of nuclei:
  
  (a) Amoebae
  (b) Zoo-flagellates
  (c) Ciliates
  (d) Actinopods
  
  
• Asexual reproduction in bacteria occurs by:
  
  (a) Conjugation
  (b) Transduction
  (c) Transformation
  (d) Binary fission
  
  
• Prions are made op of:
  
  (a) Lipids
  (b) Nucleic acid
  (c) Proteins
  (d) None of these
  
  
• A group of ribosomes attached to mRNA is known as:
  
  (a) Lysosome
  (b) Peroxisome
  (c) Polysome
  (d) Glyoxisome
  
  
• Three dimensional globular protein is:
  
  (a) Starch
  (b) Gluon
  (c) Antibiotic
  (d) Enzyme
  
  
• The most abundant organic compounds in mammalian cell:
  
  (a) Water
  (b) Proteins
  (c) Carbohydrates
  (d) Lipids
  
  
• The technology used for achieving eugenic aims:
  
  (a) Gene therapy
  (b) Radiotherapy
  (c) Chemotherapy
  (d) Cloning

Time: 2:40 Hours
(Subjective Part)
Marks: 68
SECTION-1I

2. Write short answer any Eight Parts. (8 x2 =16)

• What are micro and macro molecules? Give at least one example of each.
• What is population? Give its four attributes. (Names only)
• What is the function of ribosomal RNA?
• What are cofactor and activators of enzymes?
• Compare competitive and noncompetitive inhibitors in enzyme action.
• Give the role of pH in enzyme action. Give optimum pH values for any two enzyme actions.
• What is the structure and function of heterocysts?
• What is dikaryotic hyphae? Give one example.
• Give the reproduction in peniciilium.
• Compare monocots and divots in at least two morphological characters.
• What is the significance of alternation of generation?

3. Attempt any EIGHT short questions. (8 x2 =16)

• Give chemical composition of primary and secondary cell wall.
• Differentiate between phagocytosis and pinotytosita.
• What are kelps? Give it parts.
• How are foraminifera’s source of limestone?
• What are trichonoymphas?
• What was the reason for migration out of Ireland?
• Give two commercial importance of Sharks?
• Differentiate between diploblastic and triploblastic animals.
• What is polymorphism?
• Give three basic character of chordates.
• Define bioenergetics.
• Give molecular formula of chlorophyll "a" and "b".

SECTION-III

4..Attempt any SIX short questions. (6x 2 =12)

• What are fluid feeders? Give example.
• Differentiate between peristalsis and anti-peristalsis.
• What is meant by obesity?
• Define single circuit heart. Where it is found?
• How rubisco decide either oxygenase or carboxylase?
• What is difference between glottis and epiglottis'?
• What is cutaneons and pulmonary respiration?
• Differentiate between prasmorysis and deprasmorysis.
• Differentiate between apoplast and symplast pathway.

SECTION-III

Attempts any THREE questions. (5x3=15)
Question#5
(a) Write a note on cloning (4)
(b) How asexual reproduction occurs in fungi? (4)

Question#6
(a) Describe structure and functions of mitochondria. (4)
(b) Describe different steps occurring during non-cyclic phosphorylation. (4)

Question#7
(a) Define Hepatitis. Describe its causes and different types. (4)
(b) Describe absorption of digested food in small intestine of man. (4)

Question#8
(a) Compare DNA with RNA. (4)
(b) Write down the life cycle of adiantum.

Question#9
(a) Discuss about bacterial cell wall
(b) Write a note on active immunity and passive immunity. (4)

SECTION-IV

Question#10
(A) (i) You are provided with Benedict solution and sugar solution. Write biochemical test for its presence. (3)
(ii) Name two reducing sugar.
(B) (i) You are provided with flower solanum nigrum, Write down technical terms to describe following parts of this flower. (3)

a. Calyx
b. Corolla
c. Gynoecium

(ii) Define inflorescence. Write its only two types names. (2)
(C) Sketch and label the diagram of digestive system of frog.
(D) (i) Write the material and procedure for measuring blood pressure during rest and exercise.
(ii) Differentiate between systolic and diastolic pressure. (2)
(E) Give one character of each to identify the following specimen:
(i) Paramecium
(ii) Euglena
(iii) Amoeba
(iv) T.S. of dicot stem
(v) Female cone of pines