Past Papers of Biology 10th Class Gujranwala Board 2019 Group-I

Past Papers of  Biology 10th Class Gujranwala Board 2019
GUJRANWALA BOARD 2019 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. Hydra and corals reproduce by means of
(a) Binary fission
(B) Budding
(C) Fragmentation
(D) Spore formation

2. The cardiotonic used to stimulate the heart is called
(a) Aspirin
(B) Digitalis
(C) Paracetamol
(D) Analgesics

3. The waste material that are removed by coniferous
(a) Resins
(B) Gums
(C) Paracetamol
(D) Analgesics

4. A network of food chains which are interconnected at various trophic levels is called
(a) Biomass
(B) Pyramid of numbers
(c) Pyramid of biomass
(D) Food web

5. The term “true breeding” Means
(a) Heterozygous
(B) Homozygous
(C) Heterologous
(D) Homologous

6. product is used in the production of plastics.
(a) Glycerol
(B) Ethanol
(C) Acrylic acid
(D) Formic acid

7. The number of hydrogen bond between adenine
(a) 1
(B) 2
(C) 3
(D) 4

8. The ells of cartilage are called
(a) Chondrocytes
(B) Osteocytes
(C) Lacuna
(D) Matrix

9. The special gland present in the walls of auditory canal_ which reduce.
(a) Auditory fluid
(B) wax
(C) Blood
(D) Nerve impulse

10. In non smokers who are exposed to second hand smoke
(a) 15.20%
(B) 20.30%
(C) 25.30%
(D) 30.45%

11. The material containing sperms and fluid is called
(a) Hormones
(B) Follicles
(C) Semen
(D) Scrotum

12. Pons is present on the top of
(a) Cerebrum
(B) Thalamus
(C) Cerebellum
(D) Medulla

Past Papers of Biology 10th Class Gujranwala Board 2019
BIOLOGY (New Scheme) Time Allowed: 1:45 Hour
PAPER-II (SUBJECTIVE TYPE) GROUP -1 Max. Marks: 48

Note: Section I is compulsory. Attempt any TWO (2) questions from Section-II.

SECTION-I

2. Write short answers to any FIVE questions: (5 x 2 = 10)
i. Write the causes of asthma.
ii. Where lenticels are found? Write their functions.
iii. Differentiate between glottis and epiglotis.
iv. Write symptoms of kindney stone.
v. Write symptoms of kidney failure.
vi. Write the names of four parts of neuron.
vii. What is difference between gray and white matter?
viii. What is myopia? How is it controlled?

3. Write short answers to any FIVE questions: (5x2 = 10)
i. Define ball and socket joints. Write its one type.
ii. Write down the functions of tendons and ligaments.
iii. Write binary fission in planaria.
iv. Write the process of spore formation in sporangium.
v. Define internal fertilization with example.
vi. Differentiate between dominant and recessive.
vii. Define law of independent assortment.
viii. Write benefits of artificial selection.

4. Write short answers to any FIVE questions: (5x2 = 10)
i. How smog is formed?
ii. How ozone depletion is occurring?
iii. How land pollution can be controlled?
iv. How does continuous fermentation occur?
v. What are transgenic plants and animals?
vi. Define synthetic drug and give one example.
vii. List four names of drugs obtained form animals. •
viii. Differentiate between antiseptics and antibiotics.

SECTION-II

5. (a) Define homeostasis and discuss about mechanism for the homeostasis in plants.
(b) Describe the role of adrenal gland and pancreas.

6. (a) Write not on bone.
(b) Explain female reproductive system of rabbit.

7. (a) What is meant by acid rain? Write down its three effects.
(b) Define fermentation, Describe its two basic types.

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