10th Class Past Paper 2018 Sahiwal Board Punjab

10th Class Past Paper 2018 Sahiwal Board Punjab. 10th class solved mcqs|10th class solved mcq|past papers 10th class sahiwal Board|

10th Class Past Paper 2018 Sahiwal Board

Objective Part

Is  cigaret smoke, number of carcinogens is:
(A) 50    
(B) 30    
(C) 40
plants store large amount of water in their cells for:
(A) transpiration
(B) guttation    
(C) turgidity ,
Myelin sheath is secreted by cells:
( schwann    
(B) dendrites    
(C) white blood
In human, number of spinal nerve pairs is:
(A) 30    
(B) 32    
(C) 33
S The cells forming cartilage are called:
(A) Schwann    
(B) osteoblast    
(C ) chondrocytes
The latest method of vegetative propagation is:
(A) cutting    
(B) grafting
(C) cloning
The unit of androgenic is:
(A) stigma '    
(B)stamen    
(C) style
DNA molecule warped around the protein is:    ,
(A) historic    
(B) hemoglobin
(C) fibrinogen.
Alternate form of gene are called:
(A) Trait    
(G') Alleles    
(D) Loci
11. Why enzyme is used to"dissolve blood clots?
(A) lypase    
(B) pepsin    
(C) tripson

10th Class Past Paper 2018 Subjective Part

Write short answers to any FIVE (5) questions:
(1)What is.lhe difference between stomata and lenticels?
(ii) How the voice of' our conversation is produced?
(iii) Write the name of"two pans of renal corpuscle.
(A) Define guttation.
(v) What is meant by renal tubule'?
(vi) ,How does coordination in unicellular organisms take place?
(vii) What is the difl'Crence between receptors and response?
(viii) What is meant by positive feedback mechanism?
Q3. Write short answers to any FIVE (S) questions:
(i) Define cartilage. write name of its two types.   
(ii) Define antagonism.
(iii) Define f"ragmentation and give an example.
(iv) Define pollination and cross pollination.
(v) Differentiate between epicotyle and hypocotyl.
(vi) What are two sources of variations?
(vii) State Mendles Law of"independent Assortment. .
(viii) Define Co-Dominance.
Q4. Write short answers to any FIVE (S) questions:
(i) What is meant by ecosystem?
(ii) Define biomass.
(iii) Write the name of two types of fermenters.
(lV) Write some uses of aspergillus.
(V) W hat are synthetic dribbles?
(vi) Define antibodies.
(Vii) Write the name of two narcotics drug.    '
(viii) Define antigens.
    (PART . II)
Note: Attempt any TWO questions.
Q5. (a) Write in detail the types of dialysis. ·
(b) Write disorders of eye. How can these be removed?
Q6. (a) Describe arthritis and its types.
(b) What is germination of seed? Explain its types with examples.
07 (a), What is meant by water pollution? Describe its effects

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