Bahawalpur BOARD 2017
(Objective Type)
Biology
Time Allowed: 20 Minutes
Maximum Marks: 17
NOTE: You have four choice 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 circle. Cutting or filling two or more circles will result in zero mark in that question. Attempt as many questions as given in objective type questions papers and leave others blank. No credit will be awarded in case. BUBBLE are not filled. Do not solve questions on this sheet of OBJECTIVE PAPER.

• The Maximum depth of roots of Prospois is:
  

1. 40 meters
2. 50 meters
3. 60 meters
4. 70 meters

• The length of Duodenum of human is about:
  

1. 15-20 cm
2. 20-25 cm
3. 30-35 cm
4. 10-15 cm

• The fluid filled region of the Chloroplast is:
  

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

• Kangaroo belongs to sub-class:
  

1. Metatheria
2. Prototheria
3. Eutheria
4. Reptilia

• The disease caused by a Fungus is:
  

1. Ring Worm
2. Tetanus
3. Polio
4. Smallpox

• Oval Shaped Bacteria are:

1. Spirilla
2. Vibrio
3. Cocci
4. Bacilli
   

• Plastide are found in:
  

1. Bacteria
2. Viruses
3. Plant Cell
4. Animal Cell

• Peptide Bond is:
  

1. C-N Link
2. C-0 Link
3. N-H Link
4. C-P Link

• The Unit of Life is called:
  

1. Organ
2. Cell
3. Tissue
4. Organelle

• Optimum pH value of enzyme Arginase is:
  

1. 60
2. 70
3. 40
4. 2

• The common name of Allium Cepa is:
  

1. Piyaz
2. Bathu
3. Channa
4. Potato Bacill

• Ceratium belongs to group of Algae called:
  

1. Diatoms
2. Red Algae
3. Brown Algae
4. Dino flagellates

• In Flowering Plants, Ovary wall develops into:
  

1. Seed
2. Fruit
3. Flower
4. Seed Coat

• One of these is an early Reptile:
  

1. Platypus
2. Varanope
3. Archaeopteryx
4. Snake

• Total Photosynthesis is carried out by the terrestrial plants is about:
  

1. 15%
2. 20%
3. 10%
4. 22%

• In human beings, the respiratory pigment is:
  

1. Myoglobin
2. Bilirubin
3. Haemoglobin
4. Haemocyanin

• The uncontrolled production of white blood cells results in:
  

1. Leucaemia
2. Oedema
3. Thalassaemia
4. Lymphoma

INTER PART 1 BAHAWALPUR BOARD 2017
 (Subjective Type)
 Time 2.40 Hours
Group-I
Maximum Marks: 68

NOTE:- Write same question number and its part number on answer book, as given in the question paper.

1. Define Metabolism and name its two processes.
2. What is Activator? Give one example.
3. What is Lock and Key Model? Who proposed this model?
4. Define Mycorrhizae. Give its two types.
5. Differentiate between Irreversible and Reversible Inhibitors,
6. Define Spongocoel.
7. Differentiate between Obligate and Facultative Parasite.
8. Give function of NADP Reductase.
9. What is Metamorphosis? Give its three stages.
10. Differentiate between Corals and Coral Reefs.
11. Define Photolysis and Photophosphorylation.
12. Define Swim Bladder. Give its function.

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

1. What is Integrated Disease Management?
2. Differentiate between Population and Community.
3. Write down salient features of Cell Theory.
4. What is Protonema?
5. What are Diatoms? Give their importance.
6. Write down two benefits of Algae.
7. Give Ecological importance of Dinoflagellates.
8. What is Haemorrhage? Give its cause.
9. Give three functions of Smooth Endoplasmic Reticulum.
10. What is Trypanosoma? What disease does it cause?
11. Why Bryophytes are called Amphibians of the Plant?
12. Differentiate between Thrombus and Embolus.

4.Write short answers to any six parts.

1. What is Binomial Nomenclature? Give an example.
2. What is Emphysema?
3. What are Mesosomes? What are their functions?
4. What are Detritivores? Give an example.
5. Differentiate between Peristalsis and Anti Peristalsis.
6. Why Tubular Digestive System is more efficient than Sac like Digestive System?
7. Define Photorespiration. Name any two organelles involved in it.
8. Differentiate between Diaphragm and Pleura.
9. What are Spiracles? Give their function.

SECTION-II

NOTE: - Attempt any three questions.

Q5:

1. Describe the protection and conservation of Environment
2. How the opening and closing of Stomata are controlled by Potassium Ions?

Q6:

1. Explain importance of Carbon in living organisms.  
2. Describe Nutrition in Insectivorous Plants.

Q7:

1. Write a note on Mitochondria.  
2. Discuss Cyclic Phosphorylation.

Q8:

1. Write a detailed note on AIDS.
2. What is the significance of Alternation of Generation?

Q9:

1. Discuss physical and chemical methods to control Microbes.
2. Describe different Land. Adaptations of Fungi.