Past Papers of Biology 10th Class Lahore Board 2016 Group I

Past Papers of  Biology 10th Class Lahore Board 2016
LAHORE BOARD 2016 10TH CLASS PAST PAPER
BIOLOGY Time Allowed: 15 Minutes
PAPER-II (Objective Type) GROUP-I Max. Marks: 12

Note: Four possible answers A, B, C and D to each question are given. The choice which you think is correct, fill that circle in front of that question with Marker or Pen ink in the answer-book. Cutting or filling two or more circles will result in zero mark in that question.

1. Complete map of human genome was published in:
(A) 1999
(B) 2001
(C) 2000
(D) 2002

2. Sir Alexander Fleming was awarded the Nobel Prize in:
(A) 1940
(B) 1945
(C) 1950
(D) 1960

3. Alternate forms of genes are called:
(A) Traits
(B) Alleles
(C) Coci
(D) Characters

4. The blood glucose level remains about -— per liter despite eating a meal rich in carbohydrates:
(A) 2 grams
(B) 1 gram
(C) 3 grams
(D) 4 grams

5. Temporal lobe is concerned with:
(A) Hearing and smell
(B) Control of skeletal muscles
(C) Visual information
(D) Both A and B

6. The simple and most common way of asexual reproduction in bacteria is:
(A) Binary fission
(B) Multiple fission
(C) Regeneration
(D) Budding

7. Transmission of characters (Traits) from parent to offspring is called:
(A) Inheritance
(B) Mutation
(C) Regeneration
(D) Reproduction

8. All the ecosystem of the world together form the —:
(A) Population
(B) Biosphere
(C) Community
(D) Habitat

9. For gaseous exchange the leaves and young stems have in their epidermis:
(A) Stomata
(B) Lenticels
(C) Companion cells
(D) Ground cells

10. Calyx is the outer most whorl of the flower and bears the colour:
(A) Red
(B) Green
(C) Blue
(D) White

11. The skeleton found outside the body is called:
(A) Endoskeleton
(B) Exoskeleton
(C) Hydro¬skeleton
(D) Fibro- skeleton

12. Types of neurons according to their work are:
(A) Three
(B) Four
(C) Five
(D) Two

Past Papers of Biology 10th Class Lahore Board 2016
BIOLOGY (New Scheme) Time Allowed: 2:45 hour
PAPER - II (Essay Type) GROUP -1 Max. Marks: 63 (PART-1)

2. Write short answers to any SIX (6) questions: (12)
(i) Define Bronchitis.
(ii) How will you differentiate between a stoma.
(iii) Write the symptoms of asthma.
(iv) What is arthritis?
(v) Define bone with example.
(vi) Define the antagonists muscles.
(vii) Write the name of abiotic and biotic components of Ecosystem.
(viii) What is meant by community?
(ix) Define food chain and give an example of a simple food chain.

3. Write short answers to any FIVE (5) questions: (10)
(i) What is lithotripsy?
(ii) What are the main organs work for homeostasis in man? Explain.
(iii) Write down the names of four organs of urinary system.
(iv) What is meant by dormancy?
(v) Define multiple fission.
(vi) What is continuous fermentation?
(vii) Define single cell protein.
(viii) What is Beta-endorphin? What is its function?

4. Write short answers to any FIVE (5) questions: (10)
(i) What is meant by receptors? Give examples.
(ii) Compare exocrine glands and endocrine glands.
(iii) Define transcription and translation.
(iv) What is meant by nucleosomes?
(v) What is “Punnet Square”?
(vi) What is difference between analgesic and antibiotic?
(vii) What is meant by “Social Stigma”?
(viii) What are Hallucinogens?

(SECTION-II)

Note: Attempt any THREE questions:

5. (A) What is pneumonia, describe its symptoms and causes? 4
(b) What steps are -involved in the formation of urine in the kidney? 3

6. (A) Describe the structure and function of thyroid gland and pancreas. 4
(b) Explain three types of joints. 3

7. (A) Describe the types of seed germination, 4
(b) Describe the advantages and disadvantages of the vegetative propagation in plants. 3

8. (A) Explain artificial selection. 4
(b) What is parasitism? Explain its two types with examples. 3

9. (A) Write a note on application of fermentation. 4
(b) Describe drug addiction and associated problems. 3

PART-III (Practical Part)

Note: Attempt any TWO questions.

A (i) Write down the procedure of experiment to show the presence of tar in cigarette smoke.. 3
(ii) Draw the diagram of the experimental apparatus measuring the inhaled and the exhaled air. 2

B (i) You performed experiment to investigate chemical composition of bone. Write procedure for this experiment. 3
(ii) Draw the labelled diagram of onion bulb. 2

C (i) Write the procedure of experiment to show the necessity of oxygen for seed germination. 3
(ii) Define biotic and abiotic components of an ecosystem. 2