Multan Board 2017
Biology PART - I
Time: 30 Minutes
Group 1
Note: Write answers to the questions on the objective answer sheet provided. Four possible answers A, B, C and D to each question are given. Which answer you consider correct, fill the corresponding circle  A, B, C and D given in front of each question with Marker or pen ink on the answer sheet provided.

• During photorespiration glycine after its formation diffuse into:-

1. Ribosome
2. Mitochondria
3. Peroxisome
4. Glyoxisome

• Sea Urchin belongs to phylum:-

1. Coelenterate
2. Porifera
3. Nematoda
4. Echinodermata

• Polyp and Medusa are examples of:-

1. Coelenterate
2. Porifera
3. Nematoda
4. Arthropoda

•  Glwolysis mean breakdown of:-

1. Lipid
2. Glucose
3. Carbohydrate
4. Protein

• Chlorophyll `a' Is,

1. Yellow green
2. Blue green
3. Orange green
4. Violet blue

• Single circuit heart is found in:-

1. Birds
2. Fishes
3. Reptiles
4. Mammals

• A substance that inhibit blood clotting is:-

1. Heparin  
2. Fibrinogen
3. Fibrin
4. Thrombin

• An aphid that attacks walnut tree is being controlled biologically by:-

1. Wasp
2. Housefly
3. Honey Bee
4. Mosquito

• The most abundant Carbohydrate in nature is:-

1. Starch
2. Glycogen
3. Cellolose
4. Agar

• Optimum pH pepsin is:-

1. 2.00
2. 4.50
3. 5.50
4. 7.00

• The fluid that surrounds the thylakoid is called:-

1. Matrix
2. Stroma
3. Medium
4. Cytoplasm

• Solanum esculentum is the scientific name of:-

1. Potato
2. Tobacco
3. Onion
4. Tomato

• A Bacterium with a tuft of flagella at one pole is:-

1. Peritricnous
2. Amphitrichbus
3. Atrichous
4. Lophotrichous

• African sleeping sickness is caused by:-

1. Trypanosome
2. Endameba
3. Plasmodium
4. Stanton

• Citric acid is obtained from:-

1. PeniciIIium
2. Aspergillums
3. Sacchromyces
4. Neurospora s

• ____plants are said to be Amphibians of plants.

1. Angiosperm
2. Gymnosperm
3. Bryophyte
4. Pteridophyte

• If bile pigments are accumulated in Blood, condition is known as:-

2.  Jaundice
3.  
4. .

SUBJECTIVE PART
     SECTION B

2. Attempt any eight parts.

1. What are Globular proteins? Give examples.
2. Write down any four characteristics of Enzymes.
3. How temperature affect Enzyme Action?
4. Differentiate between Competitive and Non-competitive Inhibitors.
5. What are Lichens?
6. Differentiate between fragmentation and Budding in Fungi.
7. Write down any four adaptations of parasitic mode of life in Platyhelminthes.
8. Write down function of swim bladder.
9. How are Echinoderms related to hemichordates?
10. Give any four characteristics of reptilia.
11. What is Photophosphorylation?
12. What is meant by Internal Respiration?

3. Write short answers of any eight parts from the following.

1. Differentiate between Law and Theory.
2. Define the term fresh water biology and biotechnology.
3. What are Storage Diseases? Give one example.
4. Define the term Polysome. Also give its function.
5. Write down the main features of Ciliates.
6. What are Choanoflagellates?
7. What are Apicnmplexans? Give example.
8. Write down the main difference between Microphylls Megaphylls.
9. What are Trichonymphas? Give their role
10. Difference between Diaphragm and Pleura.
11.  What is pulmonary Tuberculosis? Write down its cause.
12. Define the term circulate vernation

4. Write short answers to any six parts.

1. What is Reverse Transcriptase?
2. Define Chemotaxis.
3. Enlist Gastric Glands with their secretion in man.
4. What are gall stones? Mention their effect.
5. How fatty acids and Glycerol are absorbed into blood?
6. How expiration occurs in Cockroach?
7. What are Vocal Cords? Give their function.
8. Write down Carbon Dioxide Concentration in Arterial and Venous Blood.
9. Define Emphysema.

SECTION-C

NOTE: - Attempt any three questions.
Q 5.

1. Discuss the role of Biology in Protection and Conservation of Environment.
2. Write a detailed note on Cohesion Tension Theory.

Q 6.

1. Describe Secondary and Tertiary Structure of Protein.
2. Explain digestion in Planaria.

Q 7.

1. Give comparison between Prokaryotic and Eukaryotic Cell.
2. Give the outline of the Krebs cycle. (Description not required)

Q 8.

1. Write a detailed note on Hepatitis.
2. Give the list of various steps involved in the evolution of Seed Habit.

Q 9.

1. Write a note on the Cell envelope of Bacteria.
2. Give general characters of Group Basidiomycota.

Multan Board 2017
Biology  PART - I
Time: 30 Minutes
Group 2
Note: Write answers to the questions on the objective answer sheet provided. Four possible answers A, B, C and D to each question are given. Which answer you consider correct, fill the corresponding circle  A, B, C and D given in front of each question with Marker or pen ink on the answer sheet provided.

• The body cavity of Nematoda is:

(A) Blastocoel
(B) Pseudocoelom
(C) Coelom
(D) Haemocoelom

• The dark reactions occur in:

(A) Chloroplast
(B) Cytoplasm
(C) Grano
(D) Stamm

• Formula of Lactic acid is:

(A) C₃H₄O₃
(B)C₃H₅₄O₃
(C) C₃H₆O₃
(D) C₃H₅₄OH

• Emulsification is the function of:-

(A) Bile
(B) Lipase
(C) Amy lase
(D) Protease

• Myoglobin occurs in:

(A) Red Blood Cells
(B) White Blood Cells
(C) Plasma
(D) Muscle Fibers

• Passive immunity is developed by injecting:-

(A) Vaccine
(B) Serum
(C) Antiserum
(D) Antibiotic

• Bleeding Phenomenon is not shown by:-

(A) Strawberry
(B) Sugar maple
(C) Grape Wine
(D) Palms

• The inhibitor which may destroy the Globular structure of Enzyme is:-

(A) Competitive
(B) Non-competitive
(C) Reversible
(D) Irreversible

• The tentative explanation of observations is called:-

(A) Law  
(B) Theory
(C) Hypothesis
(D) Peduction

• Monosaccharide’s, which are rare in nature and occur in some bacteria is:-

(A) Trioses
(B) Tetroses
(C) Pentoses
(D) Hexoses

• The protein present in Microtubules is:-

(A) Actin
(B) Myosin
(C) Tubulin
(D) Tropomyosin

• The smallest known viruses contain RNA in spherical Capsid are the:-

(A) Polio Viruses
(B) Pox Viruses
(C) Herpes Viruses
(D) Influenza Viruses

• A cube of eight Cocci is termed as:-

(A) Tetrad
(B) Sarcina
(C) Diplococcus
(D) Streptococcus

• Trypanosoma is an example of:-

(A) Actinopods
(B) Zooflagellates
(C) Ciliates
(D) Apicomplesans

• _____ is used to inhibit fungal growth.

(A) Lovastatin
(B) Ergotine
(C) Cyclosporine
(D) Griseofulvin

• Arachis hypogea belongs to the family of:-

(A) Rosaccae
(B) Solanaceae
(C) Fabaceae
(D) Poaceae

• The pores by which the water leaves the body of sponges is called:-

(A) Ostia
(B) Mouth
(C) Anus
(D) Osculum

SUBJECTIVE PART
SECTION B

2. Attempt any eight parts.

1. What are Conjugated Molecules?
2. What is lock and key model of Enzyme Action?
3. Differentiate between Enzyme and Co-enzyme.
4. What is the effect of substrate concentration on the rate of enzyme action?
5. What are Lichens? Give example.
6. What is Holoenzyrne?
7. Differentiate between Acoelomates and Pseudocoelomates.
8. Differentiate between Diploblastic and Triploblastic Organisation.
9. What is Polymorphism? Give the name of Zooids in obelia.
10. What are three basic characters of Chordates?
11. Define Chemiosmosis.
12. What is Anaerobic Respiration?

3.  Write short answers of any eight parts from the following.

1. Write the names of four eras of geological time chart.
2. What is Hydroponic Culture Technique? Give its importance.
3. Define Congenital Disease. Give example.
4. How cell wall of plants differ from Prokaryotes?
5. What is Giant Amoeba? How does it obtain energy
6. What are Kelps' Give their importance
7. How Algae differ from Plants?
8. Give the importance of Chlorella.
9. What are Gymnosperms? Give example.
10. What is Circinate Vernation?
11. Define Osmosis.
12.  What is bleeding in Plants?

4. Write short answers to any six parts.

1. What are Retroviruses?
2. Give structure & composition of Bacterial Cell Wall.
3. What are ingredients of human saliva? Give their role.
4. Why our stomach produce more gastric juice if we have more proteins in our diet?
5. What is Ulcer?
6. What do you know about Spiracles?
7. Define Breathing. Give its frequency.
8. How haemoglobin helps in transport of Oxygen?
9. Relate lung cancer with smoking.

SECTION-C

NOTE: - Attempt any three questions.
Q 5.

1. Write a note on Biological Method of Learning.
2. Explain uptake of water by roots, give different pathways taken up by water.

Q 6.

1. Define Transcription. Explain types of RNA's.
2. Explain the structure and function of Large Intestine in Man

Q 7.

1. Write a note on Endoplasmic Reticulum.
2. Differentiate between Aerobic and Anaerobic Respiration.

Q 8.

1. Sketch the infection cycle of HTV.
2. Describe the process of Evolution of Leaf.

Q 9.

1. Describe physical and chemical methods to control bacteria.
2. Write a note asexual reproduction in Fungi.