(i) Junction
(ii) Pit pair
(iii) Coupling
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer-(c) ii and iii
Category: Biology Second Paper
The narrow hole in the middle membrane is called- [HSC & Admission]
(i) Coupe
(ii) Peat
(iii) Treaty
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer-(a) i and ii
Which one is like a cement membrane? [HSC & Admission]
(a) Primary membrane
(b) Secondary membrane
(c) Middle membrane
(d) Cellular membrane
Answer-(c) Middle membrane
How many different layers are found in each cell wall? [HSC & Admission]
(a) 2
(b) 3
(c) 4
(d) 5
Answer (b) 3
Who proved that plant cells have cell walls? [HSC & Admission]
(i) Karl Rodolfi
(ii) F. link
(iii) Khmer Rouge
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer-(a) i and ii
In what year did Robert Hooke observe the cell wall? [HSC & Admission]
(a) 1635
(b) 1645
(c) 1655
(D) 1665
Answer-(d) 1665
Cell wall was first observed by- [HSC & Admission]
(a) Fontana
(b) Robert Hooke
(c) Paleo
(d) Leuven Hook
Ans-(d) Leuven Hook
What type of cell wall is characteristic of plant cells? [HSC & Admission]
(a) Principal
(b) Secondary
(c) Structural
(d) Unique
Answer (d) unique
Which indicates plant cell boundaries? [HSC & Admission]
(a) Cell wall
(b) cell membrane
(c) Cytoskeleton
(d) Ribosome
Answer-(a) Cell wall
Features of cell wall are- [HSC & Admission]
(i) Hard
(ii) Thick
(iii) Deceased
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer-(d) i, ii and iii