Past Papers of Biology 10th Class Gujranwala Board 2015 - Group I

Past Papers of  Biology 10th Class Gujranwala Board 2015
GUJRANWALA BOARD 2015 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. Cutting or filling two or more circles will result in zero mark in that question.

1 Mature bone cells are called:
(A) Compact bone
(B) Osteophytes
(C) Cartilage
(D) Fibrous cartilage

2 The anti-evolution idea is called:
(A) Breeding theory
(B) Special evolution theory
(C) Theory of special creation
(D) Darwinism

3 The drugs used to reduce pain are known as
(A) Analgesics
(B) Antiseptics
(C) Antibiotics
(D) Sedatives

4 Number of carcinogens present in tobacco smoke is:
(A) 4,000
(B) 55
(C) 50
(D) 40

5 Type of symbiosis in which both partners are benefited and neither is harmed is called:
(A) Mutualism
(B) Symbiosis
(C) Commensalism
(D) Parasitism

6 Alternate from of gene is called;
(A) Translation
(B) Allele
(C) Genotype
(D) Phenotype

7 Disease caused by deficiency of iodine in food is called:
(A) Diabetes mellitus 4
(B) Hyperthyroidism
(C) Dwarfism
(D) Goiter

8 Optimum temperature for seed growth is :
(A) 25-30°C
(B) 30-35°C
(C) 15-25°C
(D) 35-38°C

9 Fungi used in alcoholic fermentation is called
(A) Saccharomyces cervisiae
(B) Basidiomycetes
(C) Zygomycetes
(D) Algin

10 Broad leaves with large number of stomata on the upperisde are found in.
(A) Xerophytes
(B) Hydrophytes
(C) Halophytes
(D) Trees

11 A corm develops into new garlic plant. This process of reproduction is called.
(A) Gametogenesis
(B) Vegetative reproduction
(C) Meiosis

(D) Regeneration
12 Hypermatropia is also called.
(A) Long sight
(B) Short sight
(C) Myopia
(D) Night I blindness

Past Papers of  Biology 10th Class Gujranwala Board 2015

BIOLOGY (New Scheme) Time Allowed: 2:45 hour
PAPER - II (Essay Type) GROUP -1 Max. Marks: 63

Note: Section-I is compulsory. Answer any THREE (3) questions from Section-H and Answer any TWO (2) questions from Section-in.

(SECTION-I)

2. Write short answers to any SIX questions: (2x6 = 12)
(i) What are stomata?
(ii) How lenticels are different from stomata?
(iii) Describe the symptoms of asthma.
(iv) How zerophytes control the amount of water in their bodies?
(v) How plants excrete their metabolic waster?
(vi) Describe the role of “Bowman’s Capsule” in the nephron.
(vii) How unicellular organisms coordinator their functions?
(viii) Define stimuli. Also give example.
(ix) How ears maintain body balance?

3. Write short answers to any FIVE questions: (2x5 = 10)
(i) Define cartilage and give example.
(ii) Write the difference between hyaline cartilage and elastic cartilage.
(iii) Define bone and give example.
(iv) Define fragmentation and give example.
(v) What is the difference between bulbs and corms?
(vi) Define heterozygous and homozygous.
(vii) Differentiate between dominant and recessive.
(viii) Define genotype and phenotype

4. Write short answers to any FIVE questions: (2x5 = 10)
(i) What are endoparasites? Give two examples.
(ii) What is acid rain? Give its one ill effect.
(iii) What do you know about biotic and abiotic components of ecosystem?
(iv) How lactic acid fermentation is carried out?
(v) What do you know about continuous fermentation process?
(vi) Define genetic engineering.
(vii) Write effects of hallucinogens.
(viii) Why sedative drugs are used?