BIOLOGY
Part-II
FAISALABAD BOARD 2015
PAPER BIOLOGY 26Minutes
Marks: 17
OBJECTIVE
Note: You have four choices for each objective type question as A, B, C and The choice which you think is correct: fill that circle In front of that question number, Use marker or pen to the circles, Cutting of flling two or more circles will result in zero mark in that question.

Question#1

• The most widely used source of energy oa earth is:
  
  (a) Wind
  (b) Sun
  (c) Water
  (d) Geothermal
  
  
• Coniferous forests located at high latitude are called:
  
  (a) Deciduous
  (b) Deciduous
  (c) Boreal
  (d) Woodland
  
  
• Diseases in living organisms caused by parasitestre called as:
  
  (a) Infection
  (b) Infestations
  (c) Parasitism
  (d) Predation
  
  
• A respiratory protein which is present in all aerobic species is:
  
  (a) Haemoglobin
  (b) Myoglobin
  (c) Cytochrome a
  (d) Cytochrome c
  
  
• Growth of a tissue in an artificial liquid culture medium it termed as:
  
  (a) Cloning
  (b) Genetic engineering
  (c) Tisstae culture
  (d) Gene therapy
  
  
• MN blood group is example of:
  
  (a) Complete dominance
  (b) Codominance
  (c) Incomplete dominance
  (d) Over dominance
  
  
• Programmed and organized process of cell death is also called as:
  
  (a) Apoptosis
  (b) Necrosis
  (c) Cancer
  (d) Metastasis
  
  
• Type of cell division in which number of chromosomes is reduced to half in daughter cells is called:
  
  (a) Mitosis
  (b) Meiosis
  (c) Budding
  (d) Binary fission
  
  
• Transfer of genetic material from one cell to another, which alter the genetic make up of recipient cell is called:
  
  (a) Transformation
  (b) Translation
  (c) Transcription
  (d) Transduction
  
  
• For maximum growth, optimum temperature, in:
  
  (a) 0.21 C°
  (b) 0.35C°
  (c) 25 - 30C°
  (d) 40 - 50C°
  
  
• Reproduction is very important for the survival of: co
  
  (a) Individual
  (b) Species
  (c) Bicsphere
  (d) Ecosystem
  
  
• Which harmone induces labour pains?
  
  (a) Estrogen 1,
  (b) Oxytocin
  (c) Progesterone
  (d) LTH
  
  
• During non-conducing state, the neuron membrane is permeable to efflux of:
  
  (a) IC
  (b)
  (c) Ca"
  (d)
  
  
• In thoracic region, number of vertebrae is:
  
  (a) 12
  (b) 15
  (c) S
  (d) 4
  
  
• Plantigrade mode of locomotion is observed in:
  
  (a) Monkey
  (b) Rabbit
  (c) Goat
  (d) Rodents
  
  
• The nitrogenous waste which is highly toxic and dissolves quickly in body fluids is:
  
  (a) Ammonia
  (b) Urea
  (c) Uric acid
  (d) CO,
  
  
• Cockroach and other insects remove their nitrogenous waste in form of:
  
  (a) Ammonia
  (b) Urea
  (c) Uric acid
  (d) Cretanine

Time: 3:10 Hours
(Subjective Part)
Section 1

2. Attempt any EIGHT short questions. (8 x 2 = 16)

• Give structural adaptations for regulation of heat exchange between an animal and environment.
• Differentiate between vasothiation and vasoconstriction.
• What is pyrexia and its importance?
• Name bones of pelvic girdle.
• Give hormonal causes for deformity of skeleton.
• What is formen tiosseurn? How it is formed?
• Differentiate between neurula and neurocoel.
• Name two layers of lateral plate of mesoderms.
• Give symptoms of Tines syndrome.
• Differentiate between cliplotene and diakine
• Give two ways to protect.
• What is geneticdr left.

3. Attempt any EIGHT short questions. (8 x 2 = 16)

• What is isoia?
• Give the commercial application or ethene.
• What is paithenocarpy?
• Give the importance of asexual reproduction
• Give two similarities of nervous and chemical coordination:
• Differentiate oviparity and viviparit.
• What is recombinant DNA? •
• Why transgenic animals that secrete a product are often cloned?
• Define productivity of an ecosystem.
• Give adaptations in orgardsmsefor terrestrial ecosystems.
• Differentiate renewable and non-renewable resources.
• What is greenhouse effect?

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

• What is transformation?
• Differentiate between heterocluomation and euchromation.
• What is one-gene; one-enzyme hypothesis?
• Differentiate between homozygote and heterozygote.
• What is test cross?
• What is over-dominance?
• Differentiate between population and community.
• What is commensalism?
• Differentiate betixteen macro-nutrient and micro-nutrients.

Section-II

Question#5
(a) Describe kidney as an osmoregulatory organ.
(b) Describe deforestation and afforestation.

Question#6
(a) State and explain Hardy-Weinberg theorem.
(b) Explain tropic movements in plants.

Question#7
(a) Describe the major factors involved it, resting potential.
(b) Describe predation and panJitisto 10(1113 i iticance. p

Question#8
(a) Define photoperiodism. Explain role of ohytochromes in photoperiodism.
(b) Explain process of translation.

Question#9
(a) Write a note on aging
(b) Describe different patterns of sex deterrninat:on.

Question#10
(a) Make a sketch and label the female reproductive system of frog.
(b) Make the labeled diagarm of pelvic girdle of frog.
(c) Write an experimenr to observe the hen's fresh egg and make its labeled diagram
(d) Write an experiment to observe the anaphase stage of mitosis in a dividing cell.
(e) Write the short answers,
(i) Define parasitism,
(ii) Define population.
(iii) What is I-band?
(iv) What changes occur ion s-phase of interphase?
(v) What is myottibril?