12th Class MCQs ( Multiple Choice Questions )
Biology F.Sc. Part 2 ( 2nd Year )
Medical College Admission Test, ECAT Engineering College Admission Tests , University Admission Test, Pakistan Medical Commission ( PMC ) Islamabad
Chapter No.16
Support and Movements
Total MCQs = 165
1. Movement takes place at:
(A) Cellular level
(B) Organ level
(C) Organism level
(D) All (A), (B) and (C)
Answer:
(D) All (A), (B) and (C)
2. The whole body of Bryophyta is made up of:
(A) Collenchyma cells
(B) Sclerenchyma cells
(C) Parenchyma cells
(D) Airenchyma cells
Answer:
(C) Parenchyma cells
3. Collenchyma can be distinguished from parenchyma by:
(A) Being dead cells Cir
(B) Without large vacuole Alp
(C) Increased thickness of their cell walls
(D) All (A), (B) and (C)
Answer:
(C) Increased thickness of their cell walls
4. A tissue whose function is support and it performs that function while it is dead is
(A) Collenchyma
(B) Parenchyma
(C) Sclerenchyma
(D) (A) and (B)
Answer:
(C) Sclerenchyma
5. In Angiospenna the tissue that produces secondary xylem and secondary phloem is:
(A) Protoderm
(B) Ground meristem
(C) Intercalary
(D) Vascular cambium
Answer:
(D) Vascular cambium
6. The unspecialized packing *issue found in epidermis, cortex and pith is:
(A) Parenchyma
(B) Collenchyma
(C) Sclerenchyma
(D) Cork cambium
Answer:
(A) Parenchyma
7. Xylem vessels have walls impregnated with:
(A) Cutin
(B) Chitin
(C) Keratin
(D) Lignin
Answer:
(D) Lignin
8. It covers the plant but is replaced by:
(A) Cuticle, epidermis
(B) Endodermis, epidermis
(C) Epidermis, cork
(D) All (A), (B) and (C)
Answer:
(C) Epidermis, cork
9. Secondary growth in plants begins with the formation of:
(A) Vascular cambium only
(B) Cork cambium only
(C) Vascular and cork cambium
(D) Inter-calary meristem
Answer:
(C) Vascular and cork cambium
10. Cork is waterproof because its cell walls are impregnated with:
(A) Chitin
(B) Suberin
(C) Keratin
(D) Pillin
Answer:
(B) Suberin