Matric Solved Past Paper Biology 2017 Lahore Board

 Matric Solved Past Paper Biology 2017 Lahore Board|10th English paper|10th class Biology paper|10th class Physics past paper|10th class Biology past paper objective and subjective chapter wise with answer keys.

Matric Solved Past Paper Biology 2017 MCQs

1. The to amount of living matter in an ecosystem at any time is called:
(A) Biomass   
(B) Energy   
(C) Food chain
(D) Food web
2. Penicillin is discovered by:
(A) Joseph Lister
(B) Edward Jenner
(C) Alexander Fkmming
(D) Bu-Ali Sina
3. E-coll bacterium was made .
(A) 1970 AD   
(B) 1977 A.D   
(C) 1975 A.D   
(D) 1980 A.D
4. Exa of hydrophyte plants is:
(A) Water lily   
(B) Cactus   
(C) Sea grass   
(D) Grass
5. Pair of spinal nerves are:
(A) 12   
(B)21   
(C) 13   
(D) 31
A sex reproduction in yeast takes place by:
( A) Budding   
(B) Binary fission
(C) Multiple fission
(D) Spore formation
7. Example of co-dominance is:
(A) Blood group A
(B) Blood group B
(C) Blood group B
(D)Bood group AB  
The alternate forms of a gene are called:
(A) Genotype   
(B) Phenotype 

ici Alleles   
(D) Replication
9. Gaseous exchange occur in human:
(A) Pharynx   
(B) Trachea   
(C) Bronchi

(D) Alveoli
11. Number of bones in both feet are:
(A) 56
(B) 108
(C) 22   
(D) 12
12. The myelin sheath is secreted by:
(A) Nodes of Ranvier
(B) Axon
(C) Dendrites   
(D) Schwann cells

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