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 cheapest and non-pollutant source of energy is the:

(A) Hydroelectric Power 
(B) Wind power
(C) Tidal Power
(D) Nuclear Energy

• The average annual rain fall of temperate deciduous forest is between.

(A) 1500— 2000 mm        
(B) 250-500 mm
(C) 700-1200 mm
(D) 750 - 150 mm

• Several Bacteria in the soil are able to oxidize Ammonia or Ammoniums Ions, this Oxidation is called:

(A) Amino Oxidation
(B) Nitrification
(C) De - nitrification
(D) Ammonification

• The oldest known fossils are of:

(A) Fungi     
(B) Eukaryotes        
(C) Prokaryotes
(D) Plane

• To cure Parkinson's disease Dopamine producing Cells could be grafted directly into the:       

(A) Brain       
(B) Liver        
(C) Bone Marrow
(D) Blood

• Gene for blue opsin in present on Chromosome number:

(A) 19
(B) 09
(C) 11
(D) 07

• A little light is left co power photosynthesis at the depth of.

(A) 600 feet 
(B) 300 feet
(C) 400 feet
(D) 200 feet

• Chromosomes become double during the phase of Cell Cycle?

(A) M-Phase
(B) G1 - Phase         
(C) S- Phase 
(D) G2 - Phase

• All of the following are non-sense condons except that of:

(A) AUG        
(B) UAA        
(C) UGA        
(D) UAG

• The cavity formed between Somatic and Splanchnic Mesoderm is:

(A) Primitive Gut   
(B) Glastocoel         
(C) Neurocoel         
(D) Coelom

• The first convoluted part of vas — deference is called:

(A) Scrotum 
(B) Epididymis        
(C) Seminiferous Tubules
(D) Ureter

• In human beings, most of the major organs of Embryo are formed with In

(A) Ten Weeks        
(B) Six Weeks
(C) Twelve Weeks 
(D) Fourteen Weeks

• Plant Growth hormone that promote bolting of some rosette plants is the:

(A) Gibberaellins    
(B) Auxins    
(C) Cytokinins
(D) Ethene

• Which of the following muscle straightens the Elbow joint:

(A) Brachialis           
(B) Triceps   
(C) Biceps
(D) Brachioradialis

• The Collenchyma and Sclerenchyma are with heavily Signified cells in:

(A) Cotex and Phloem      
(B) Cortex and Xylem
(C) Xylem and Phloem     
(D) Pericycle and Cortex

• High Level of Circulation Calcium in the blood is called:            

(A) Hypercalcemia 
(B) Hypoglycemia
(C) Osteomalcia     
(D) Hyperoxaluria

• In Bacterial and Viral Infection, Pathogens and leukocytes cells produce a Chemical called:

(A) Pyrexia   
(B) Toxins     
(C) Afflatoxins         
(D) Pyrogen

INTER PART 2 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.

2. Answer any Eight parts from the followings:

1. How mammals thermoreguiatp in cold environment?
2. Define Collenchyma Cells?
3. How growth movements occur in the plants?
4. Define Dialysis. Give its types.
5. Define Gonorrhoa and AIDS.
6. Explain Test Tube Babies.
7. Describe the location of Desert Ecosystem In Pakistan.
8. Define Hydrospheric Ecosystem.
9. Describe thermostat function and feedback controls in human.
10. Describe Pelvic Girdle and Hind Limb in human skeleton.
11. How Depletion and Degradation of resources occur on planet earth?
12. Explain Ocean Thermal Gradient as a renewable resource of Energy.

3. Write short answers to any Eight questions.

1. Differentiate between Callus and Galls.
2. What are Meissner's Corpuscles?
3. Compare Chemoreceptors with Photoreceptors.
4. State Product Rule.
5. State law of Independent Assortment.
6. What is the advantage of PCR?
7. Differentiate between Population and Gene Pool
8. Define Succession.
9. What are Restriction Enzymes? Give their role?
10. What are Plasmids? Give example.
11. What is the function of Root Nodules?
12. Define Lichens.

4. Write short answers to any Six questions.

1. What is Phosphodiester Linkage?
2. Define Alkaptonuria. Write its cause.
3. Which type of Events occur in G1-Phase?
4. Mat are Pieoblast? Write its function.
5. Differentiate between Template and Coding Strand of DNA.
6. Differentiate between Determinate Growth and Indeterminate Growth.
7. What is Non-Disjunciton of Chromosome?
8. Define Convergent Evolution. Give example.
9. What is Genetic Drift? How does it effect Gene Frequency?

SECTION-II

NOTE: - Attempt any three questions.

Q5:

(a) What do you know about the phenomenon of excretion in plants?
(b) What do you know about Foliage Listen Stage and Climax Forest? Give example of both.

Q6:

(a) Describe Collenchyma and Sclerechyma Cells in plants?
(b) Write a note on Mutations.

Q7:

(a) Describe the structure and function of Forebrain of Man.
(b) Write a note on Algal Bloom or Eutrophication.

Q8:

(a) Give brief description of four sexually transmitted diseases in humans.
(b) State Mendel’s Law of Segregation. Explain with an example.

Q9:

(a) Define and explain Embryonic induction.
(b) Write a note on Hardy — Weinberg Theorem.