B.Sc. I Biotechnology (Semester (CBCS) Examination, 2018
introduction to biosciences
Paper II Plant Sciences
Day and Date Friday, 2-11-2018 Max. Marks 70
Time 10.30 a.m. to 1.00 p.m.
1. Multiple choice questions 14
is type of lichen where thallus is flat, horizontally spreading and leaf like.
Crustose Foliose Fruticose Filamentous
tissues are present only at growing regions of shoot and root tips.
Simple Complex Meristematic Vascular
After fertilization the zygote of a seed plant becomes
Fruit Embryo Seed Ovule
Algae having oil as reserve food belongs to
Xanthophyceae Rhodophyceae
Chlorophyceae Pheophyceae
Presence of casparian strips is characteristic feature of
Endodermis Exodermis Epdermis Pericycle
A simple mechanical tissue devoid of lignin is
Parenchyma Sclerenchyma
Collenchyma Cholerenchyma
Which of the following give rise to the cork tissue
Phellogen Periblem Periderm Phelloderm
The exine of pollen grain is made of
Pectin Cellulose Sporopollenin Lignocellulose
Pollination which occurs in closed flower is known as
Allogamy Cleistogamy Autogamy Hydridism
10) Overy wall gives rise to
Fruit wall Seed coat Mesocarp Endocarp
11) Development of fruits without fertilization is called
Apospory Allospory Parthenocarpy Polygamy
12) Tunica corpus theory is related with
Root apex Root cap
Shoot apex Secondary growth
13) meristem helps in increasing plant grith.
Lateral meristem Intercalary meristem
Apical meristem Primary meristem
14) Liverworts are closely related to
Algae Fungi Lichen Mosses
2. Answer the following questions. (any four) 8
Define megasporogenesis.
Write any four morphological characters of lichen.
Write down the function of parenchyma.
What are cork cells
Give the classification of permanent tissue.
Write notes on (any two) 6
Morphological characters of gymnosperms.
Functions of meristem.
Plants used for alcohol production.
3. Answer the following (any two) 8
Write a note on types of vascular bundle.
Explain seed structure in monocot plants.
Give general classification of plants.
Answer the following (any one) 6
Describe internal organization of monocot stem.
Explain different types of meristems classified on the basis of their origin and function.
4. Answer the following (any two) 10
Write a note on normal secondary growth and annual rings.
Explain development of male gametophyte.
Describe types and functions of complex tissues.
Answer the following (any one). 4
Write a note on origin of food crops.
Explain histogen theory of structural development.
5. Answer the following (any two) 14
Write a note on internal organization of dicot stem.
Explain types of pollination with advantages of each type.
Give the morphological characters of algae.