(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
Outside the cell membrane of plant cells are- [HSC & Admission]
(a) Capsule
(b) Cell wall
(c) Protoplasm
(d) Cytoplasm
Answer-(b) Cell wall
সেলুলোজ হজমকারী এনজাইম হলো- [HSC & Admission]
(ক) সেলুলেজ
(খ) হেমিসেলুলেজ
(গ) অ্যামাইলেজ
(ঘ) প্রোটিয়েজ
উত্তর-(ক) সেলুলেজ
কোন প্রাণী সেলুলোজ হজম করতে পারে- [HSC & Admission]
(i) গরু
(ii) ছাগল
(iii) মহিষ
(ক) i ও ii
(খ) i ও iii
(গ) ii ও iii
(ঘ) i, ii ও iii
উত্তর-(ঘ) i, ii ও iii