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Lahore Board (Inter Part - 1) 2010
Subject: Biology (Obj. Type) Paper-I
Total Marks: 17 Group-1 Time Allowed: 20 Min .
Note: Four possible answers A, B, C and D to each question are given. The choice which you think is correct, fill that circle in front of that question with Marker or Pen ink. Cutting or tilling two or more circles will result in zero mark in that question.
1-Populations of different species living in an area in specific
time, form a:
(Colony, Tribe , Committee , Community)
2- The amount of heat absorbed when a liquid changes into gas
is expressed as calories per gram vapourized is called:
(Heat capacity Specific heat , Heat of vapourization , Latent heat) 3- Poisons, like cyanide, antibiotics and some drugs are examples
of: (Enzymes , Co-enzymes , Inhibitors , Co-factors )
4- Lysosomes were isolated & studied for the first time by:
(Polade - De-Duve , Golgi, Virchew)
5-The basic unit of classification is: (Genus , Phylum ,
Class , Species)"
6-These bacteria are smallest and without cell wall:
(Mycoplasma , Pseudomonas , Sirochete , E. Coli)
7- Amoebic dysentry is caused by:
(Amoeba , Ent-amoeba , Vorticella , Plasmodium)
8- Citric acid is also obtained from some species of fungi
called: (Agaricus , Aspergillus , Yeast, Penicillium)
9- In spermatophytes, seed is formed from: (Ovary , Ovule ,
Anther . Embryo sac)
10- Which of the following is a motile coelenterate: (Hydra ,
Obelia colony . Jelly fish , Coral)
11-The accessory photosynthetic pigments found in chloroplast
are: (Chlorophyll 'a' , Chlorophyll‘c’., Bacterial chlorophyll,
Chlorophyll b" and carotenoids)
12- Chlorophyll a' is found in all photosynthetic organisms except:
(Diatoms , Red algae . Bacteria . Euglena)
13- These animls havef large canine: (Carnivores , Detritivores .
Herbivores , Omnivores)
14- How much air is held by lungs when they are fully inflated
in man: (5 liters . 4.5 liters . 4 liters , 3.5 liters)
15- Shrinkage of protoplasm by exosmosis of water is called:
(Bleeding . Imbibition , Plasmolysis , Turgidity)
16- Platelets are fragments of large cells called:
(Microkaryocytes , Megakaryocytes, Erythrocytes , Leucocytes)
17- Which is not a lymphoid mass: (Spleen , Tonsils .
Thymus , Liver)
Lahore Board (Inter Part - I) 2010
Subject: Biology ( Sub.type) Paper-I
Total Marks: 83 Group-I Time Allowed:3:10Hrs. SECTION-I
i) Differentiate between gene therapy and chemotherapy.
ii) What is hydroponic culture technique?
iii) Show- peptide bond between two amino acids.
iv) What are conjugated molecules? Give example.
v) Write down any .two postulates of germ theory of disease.
vi) What vav is famous for?
vi) Viruses are obligate intracellular parasites,what is its meant? viii)-What are pocks?
ix) Differentiate between an artery and a vein.
x) What is difference between antigen and antibody?
xi) What do you know about imbibition?
xii) What is the effect of changed pH on the working of enzymes ? xiii) Differentiate between activator and prosthetic group.
xiv) Give two functions of cytoplasm.
xv) How outer and inner membranes of mitochondria differ from each other?
xvi) Explain parasexuality.
xvii) How spores are different from comdia?
xviii) What is a gastro vascular cavity?
xix) What are the reptilian features of archaeopteryx?
xx) Give the economic importance of sharks.
xxi) How an 'adipose tissue is formed?
xxii) Give ‘he composition of saliva.
xxiii) Name four major groups of Kingdom Protista.
xxiv) What are the functions of micronucleus and macronucleus
in ciliates?
xxv) Define alternation of generation. What is its significance?
xxvi) Name the living and extinct representatives of psilopsida. xxvii) Quote four examples of ferns.
xxviii) Name the processes which act as energy capturing and
energy releasing.
xxix) What are the main parts of a chlorophyll molecule and what
is porphyrin ring?
xxx) Differentiate between external respiration and cellular
respiration
xxxi) Differentiate between inspiration and expiration.
xxxii) What is diaphragm? State its role in breathing.
xxxiii) Write two properties of respiratory surfaces in animals.
SECTION-I I
Attempt any THREE questions.
3- a) Write notes on the following:
Preventive measure of disease. Vaccination. 5
b) Write main steps of evolution of seed. 3
4- a) Describe the structure of proteins. 4
b ) What is glycolysis? Give its outline. 4
5- a) What are plastids? Explain the structure and function of
chloroplast. Draw figure. 4
b) Write a note on digestion in oral cavity of man 4
6- a) Elaborate infection cycle of HIV. 4
b) Give the characteristic features of Amphibians. 4
7- Illustrate the mechanism of opening and Closing of stomata. 8
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