Past Papers of Biology 10th Class Gujranwala Board 2016
GUJRANWALA 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. Four Possible answers are given for the following questions. Tick (S) the correct answer: 12
1- The chest wall is made up of pairs of ribs.
(a) 8
(B) 12
(C) 16
(d) 20
2- The typical volume of urine produced by an adult in liters per day is
(A) 2.4
(B) 1.4
(C) 4.2
(D) 4.1
3- Which one is the largest area of brain?
(A) hind brain
(B) mid brain
(C) fore brain
(D) super brain
4- The middle layer of eye is called.
(A) retina
(B) choroid
(C) pupil
(D) sclera
5- How to many bones make our skull?
(A) 14
(B) 24
(C)22
(D)26
6- A corn develops into new garlic plants, this is the process of
(A) vegetative propagation
(B) rgeneration
(C) fragmentation
(D) binary fission
7- There is a scar genetically different kinds of gametes an individual with genotype AA bb can produce?
(A) 1
(B) 2
(C) 4
(D) 8
8- The location of genes on chromosomes are known as
(A) alleles
(B) genotype
(C) loci
(D) nucleosomes
9- The location of genes on chromosomes are known as
(A) alleles
(B)
(C)
(D)
10- The hormone which many prove effective against brain and lung cancer which is produced by genetically modified organism.
(A) insulin
(B) Thomosin
(C) ligase
(D) urokinase
11- Which one is produced from minerals?
(A) producers
(B) consumers
(C) decomposer
(D) water
12- Which drugs is produced from minerals?
(A) tincture of iodine
(B) musk
(C) opium
(D) streptomycin
Past Papers of Biology 10th Class Gujranwala Board 2016
BIOLOGY (New Scheme) Time Allowed: 2:45 hour
PAPER - II (Essay Type) GROUP -1 Max. Marks: 63
SECTION-I
2. Write short answers to any SIX questions: (6x2 = 12)(i) Why blood becomes viscous due to smoking?
(ii) Differentiate between inspiration and expiration.
(hi) Write down the symptoms of lungs cancer.
(iv) What are tendons? What is their function?
(v) What are ball and socket joints? Give examples.
(vi) What do you know about Gout?
(vii) What is the threat for Maldives due to oceans?
(viii) Define mutualism and give example.
(ix) Differentiate between interaspecific and intraspecific competition.
3. Write short answers to any FIVE questions: (5x2 = 10)
(i) What is meant by homeostasis?
(ii) Write two main causes of kidney failure.
(iii) What are halophytes?
(iv) What is meant by double fertilization?
(v) Differentiate between hypogeal and hypogeal germination.
(vi) What is meant by genetic engineering?
(vii) Write names of any two industrial produced through the process of fermentation.
(viii) Define Single-Cell Protein.
4. Write short answers to any FIVE questions: (5x2 = 10)
(i) Write down the function of midbrain.
(ii) Write down the functions of insulin and glucagons hormones.
(iii) What are traits? Give an example.
(iv) What is meant by transcription?
(v) Define mendel’s law of segregation.
(vi) What is analgesics drug? Give an example.
(vii) What are vaccines?
SECTION-II
5. (A) How Kc helps in predicting extent of a reaction? 4(B) Write down three chemical properties of bases. 3
6. (A) Give four general characteristics of organic compounds. 4
(B) Describe two methods for preparation of alkenes. 3
7. (A) What are carbohydrates? Explain oliosaccharides. 4
(B) Describe effects of global warming. 3
8. (A) Define hard water. How temporary hardness can be removed?
(B) Explain process for the preparation of urea.
9. (A) Give details of any four fractions of petroleum.
(B) What are the effects of ozone depletion? . PART-IH (Practical Part)
10.
(A) (i) Write downj the apparatus required to standardize HC1 solution. 2
(ii) Write down procedure to determine exact molarity of NajCo volumetrically. 3
(B) (i) Write down the apparatus required to cassify substances as acidic, basic and neutral.2
(ii) Write down procedure to classify substances as acidic, basic and neutral. 3
(C) (i) Write down the apparatus required to identfy saturated and unsaturated organic compounds. 2
(ii) Write down the procedure to identify saturated and and unsaturated organic compounds by KMnO, test. 3
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