BIOLOGY PAPER CLASS 9TH LAHORE BOARD ANNUAL 2018 GROUP SECOND

ROLL NO. IN FIGURES--------------- IN WORDS---------------------------------

MARKS: 12     

   

OBJECTIVE TYPE      TIME ALLOWED: 15 MINUTES

Q1.PLEASE SELECT THE MOST APPROPRIATE ANSWER

1.HUMAN POPULATION IN PAKISTAN IN 2010 WAS

• 175.3MILLION
• 170.5MILLION
• 174.5MILLION
• 173.5MILLION

2.FROG HAS TWO EYES EACH OF WHICH HAS

• TWO EYELIDS
• ONE EYELID
• THREE EYELIDS
• FOUR EYELIDS

3.MOSQUITO THAT TRANSMITS DENGUE FEVER IS CALLED

• ANOPHELES MOSQUITO
• AEDES AEGYPTI
• CULEX FEMALE
• MALE CULEX

4.VIRUSES ARE ASSIGNED TO THE KINGDOM

• MONERA 
• PROTISTA
• FUNGI
• NONE

5.RIBOSOMES ARE SITES FOR SYNTHESIS OF

• PROTEIN
• RNA
• DNA
• GLUCOSE

6.WHICH OF THESE DO NOT HAVE CELL WALL

• FUNGI
• ALGAE
• PROKARYOTES
• PROTOZOA

7.SEA STAR GAINS ITS LOST ARMS BY

• MEIOSIS
• BUDDING
• MITOSIS
• BINARY FISSION

8.MEDIUM IN WHICH ENZYME TRYPSIN WORKS

• ALKALINE
• ACIDIC
• NEUTRAL
• STRONG ACIDIC

9.EACH ATP MOLECULE HAS A NUMBER OF SUBUNITS

• 3
• 4
• 1
• 2

10.WHICH ONE IS NOT FAT SOLUBLE VITAMIN

• E
• D
• K
• C

11.VALVES TO PREVENT THE BACKWARD FLOW OF BLOOD ARE FOUND IN 

• ARTERIES
• VEINS
• CAPILLARIES
• ALL OF THESE

12.GUARD CELLS BELONGS TO 

• PERICYCLE
• STOMATA
• CORTEX
• ENDODERMIS

ANSWERS OF OBJECTIVE  MCQs 

1D

2. C

3.B

4.D

5.A

6.D

7, C

8.A

9.A

10,C

 11,B

 12.B

LAHORE BOARD 2018 SECOND GROUP BIOLOGY

ROLL NO IN FIGURES_______ (IN WORDS) __________________

MAXIMUM MARKS: 48 SUBJECTIVE TYPE TIME ALLOWED:1;45 HOURS

(PART II)

Q.2 WRITE SHORT ANSWER TO ANY FIVE OF THE FOLLOWING (5.2=10)

1. WHAT DO YOU KNOW ABOUT  BIOSPHERE AND ZONE OF LIFE
2. COMPARE CELL LEVEL WITH THE TISSUE LEVEL
3. WHAT ARE QUANTITATIVE OBSERVATIONS? GIVE EXAMPLES
4. WHAT IS MEANT BY DEDUCTION
5. WHAT ARE EXTINCT AND ENDANGERED SPECIES
6. DIFFERENTIATE BETWEEN FLORA AND FAUNA
7. GIVE TWO PRINCIPLES OF CELL THEORY
8. WHAT IS DISCOVERED BY SCHELEDIN AND SCHWANN

Q3.ATTEMPT ANY FIVE OF THE FOLLOWING (10)

• DESCRIBE NON DISJUNCTION
• HOW CYTOKINESIS TAKES PLACE IN PLANT CELL
• WHAT IS METASTASIS
• WHAT DO YOU KNOW ABOUT THE  EFFECT OF pH ON ENZYME ACTION
• Describe the induced fit model
• What is cellular respiration?
• What is photosynthesis? Write its equation
• Describe alcoholic fermentation

Q4.write short answer to any five of the following (10)

• Define nutrition
• WHAT IS THE BENEFITS OF MASTICATION
• DIFFERENTIATE BETWEEN INGESTION AND DIGESTION
• WHAT IS W.F.P
• WRITE DOWN TWO FUNCTIONS OF ROOT IN PLANTS
• WRITE DIFFERENCE BETWEEN SOURCE AND SINK
• WHY IS DENGUE FEVER DANGEROUS FOR HUMAN
• HOW MANY TYPES OF CELLS ARE FOUND IN BLOOD? WRITE TWO NAME OF THESE

PART (II)

NOTE (ATTEMPT ANY TWO QUESTIONS)(18)

Q5.

• (a)DESCRIBE UNICELLULAR ORGANIZTIOPN, MULTICLLULAR ORGANIZATION AND COLONIAL ORGANIZATION .4
•       (b)WRITE STRUCTURE AND FUNCTION OF XYLEM AND PHLOEM TISSEUS.   5

Q6. 

•  (a) EXPLAIN EFFECTS OF TEMPERATURE AND SUBSTRATE CONCENTRATION ON RATE OF ENZYME ACTION. 4
• (b)WRITE A NOTE ON ENERGY BUDGET OF AN ECOSYSTEM.  5

Q7. 

• (a) DESCRIBE IMPORTANCE OF FERTILIZERS.   4
• (b)WRITE A NOTE ON ABO BLOOD GROUP SYSTEM.5

BIOLOGY PAPER CLASS 9TH ANNUAL LAHORE BOARD GROUP FIRST