Past Papers of Biology 10th Class Gujranwala Board 2016 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

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 (✓) the correct answer: 12

1. The gas produced in mesophyll cells as by-product during day time is called

(A) trachea

(B) larynx

(C) esophagus

(D) alveoli

2. The gas produced in mesophyll cells as by-product during day time called

(A) Oxygen

(B) carbon dioxide

(C) nitrogen

(D) chlorine

3. Neurons in which direction of nerve impulse is towards brain and spinal cord are called

(A) sensory neurons

(B) associative neurons

(C) motor neurons

(D) nerve impulse

4. Part of brain associated with pain and consciousness is called

(A) cerebrum

(B) thalamus

(C) hypothalamus

(D) fore brain

5. Total number of bones present in appendicular skeleton of man is

(A) 127

(B) 126

(C) 128

(D) 130

6. In animals process reproduction without fertilization is called

(A) parthenocarpy

(B) parthenogenesis

(C) tissue culture

(D) fission

7. Microspore in plants is also termed as

(A) pollen grain

(B) pollen tube

(C) germ nucleus

(D) mega spore

8. Total number of schoromomes in a human body cell is

(A) 48

(B) 46

(C)47

(D)45

9. A cross in which one character is studied at a time is called

(A) monohybrid cross

(B) dihybrid cross

(C) test cross

(D) back cross

10. The only source of energy for all ecosystems of the world is

(A) sun

(B)moon

(C) plants

(D) ocean

11. The animal whose DNA has been changed is called

(A) transformed

(B) transgenic

(C) monohybrid

(D) dihybrid

12. Medicines which induce sedation by reducing irritability and excitement are called

(A) analgesics

(B) antibiotics

(C) sedatives

(D) vaccines

Past Papers of Biology 10th Class Gujranwala Board 2016
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) How lenticels are different from stomata?

(ii) Write any four symptoms of asthma.

(iii) . Define epiglottis. Write its function.

(iv) Define cartilage and give example also.

(v) Differentiate between origin and insertion of a skeletal muscle.

(vi) Define bone. What is its function?

(vii) Define food chain. Give one example also.

(viii) Define competition. Give an example.

(ix) Differentiate between nitrification and denitrification.

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

(i) Differentiate between osmoregulation and thermoregulation.

(ii) What is meant by halophytes?

(iii) What are the leading causes of kidney failure?

(iv) What in meant by spermatogenesis?

(v) What is meant by cutting? Give one example also.

(vi) What is meant by Alcoholic Fermentation?

(vii) Write down the uses of glycerol?

(viii) What is fermenter? '

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

(i) What is the difference between sensory and motor neurons?

(ii) What are ganglian?

(iii) Define genetics. .

(iv) What is meant by translation?

(v) What do you know about genotype?

(vi) What are synthetic drugs?

(vii) Write the names of drugs obtained from plants and fungi.

(viii) On which work, Sir Alexander Fleming was awarded Nobel Prize?

SECTION—II

5. (a) Differentiate between asthma and emphysema, Write down their symptoms and

causes. 4

(b) Write a note on kidney transplant. 3

6. (a) Describe two disorders of human eye. 4

(b) Describe difference between osteoarthritis and rheumatoids arthritis. 3

7. (a) Describe structure of seed. 4

(b) What is pollination? Discuss its kinds. 3

8. (a) Write a note on replication of DNA. 4

(b) Explain carbon cycle. 5

9. (a) Describe scope of biotechnology in the fields of food, agriculture and environment,

(B) Describe three types of addictive drugs.

Section III

10. (a) i. Write the procedure of activity to compare the breathing rate at rest and after exercise.

ii. Draw the label diagram of structure of kidney .

(b) i. Write the procedure of experiment to show the contraction of skin muscle of frog.

ii. Draw the label diagram of onion bulb.

(c) i. Write the procedure of an experiment to explain the role bacteria in fermentation of milk.

ii. From which structures seed and fruit develop?