Past Papers of Biology 10th Class Gujranwala Board 2017 Group-II

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-II Max. Marks: 12

1. James Watson and Francis Crick proposed the structure of DNA in

(a) 1923

(B)  1933

(C)  1943

(D)  1953

2. The material containing sperms in a fluid is called

(a) vas Defems

(B)  Uterus

(C)  Cervix

(D)  Semens

3. The enzyme which are used to dissolve blood clots is

(a) Beta-endorphin

(B)  Thymosin

(C)  urokinase

(D)  interferon

4. Hydrogen bonds are present between adenine and thymine.

(a) 2

(B) 3

(C) 4

(D) 5

5. An example of Endoparasite is

(a) Mosquitoe

(B) leeches

(C) ascaris

(D) lice

6. Psilocin is obtained from

(a) Cannabis

(B) Opium

(C) Cactus

(D) Mushroom

7. There is a scar on seed coat where the seed is attached to ovary wall is called

(a) Radicle

(B) Hilum

(C) Plumule

(D) Apicotyl

8. The middle layer of eye is called

(a) Sclera

(B) Choroid

(C) Retina

(D) Pupil

9. The longitudinal section of kidney shows the outer part.

(a) Renal cortex

(B) Renal medulla

(C) Renal pyramids

(D) Renal pelvis

10. Lobes present in the right lung.

(a) 1

(B) 2

(C) 3

(D) 4

11. The unit of nervous system is

(a) Neuron

(B)  Nephron

(C)  Alveolus

(D)  Bowman’s capsule

12. The hard outer layer of a bone is called

(a) Bonemarrow

(B)  Hyoid bone

(C)  Spongy bone

(D)  Compact bone

Past Papers of Biology 10th Class Gujranwala Board 2017
BIOLOGY (New Scheme) Time Allowed: 2:45 hour
PAPER - II (Essay Type) GROUP -II Max. Marks: 63

SECTION-I

2. Write short answers to any FIVE questions: (6x2 = 12)

i. What are lenticels? What is their role?

ii. Why larynx is called voice box?

iii. Define osmoregulation and thermoregulation.

iv. What are succulent organs?

v. Write two major causes of renal/ kidney failure.

vi. Define reflex action and reflex arc.

vii. Differentiate between hypothyroidism and hyperthyroidism.

viii. What is meant by epilepsy?

3. Write short answers to any FIVE questions: (5x 2 = 10)

i. What is the difference between exoskeleton and endoskeleton?

ii. Differentiate between tendons and ligaments.

iii. What is meant by vegetative propagation of plants?

iv. Define double fertilization.

v. Define dormancy.

vi. Define transcription.

vii. State Mendel’s law of segregation.

viii. How co-dominance is different from incomplete dominance?

4. Write short answers to any FIVE questions: (5x2=10)

i. Name different types of symbiosis.

ii. Write the symptoms of dengue fever.

iii. Is inherited disease hemophilia curable? If yes then how?

iv. What is interpheron?

v. Describe any two achievements of genetic engineering.

vi. Sulpha drugs are used against which diseases?

vii. Name different sources of drugs.

viii. Who was joseph Lister? What was his contribution?

SECTION-II

5. (a) Write the osmotic adaptations of hydrophytes and xerophytes.

(b) What is neuron? Explain its three types. ‘

6. (a) what is arthritis? Describe its types.

(b) What do you know about external fertilization and interal fertilization?

7. (a) Define green house effect. What is global warming? Write its effects.

(b) Define genetic engineering. Write its important objectives.