JNU Sample Questions- PART 5

Q) The plants are thought to be evolved from
1. Charophyte
2. Bryophyte
3. Lymnophyte
4. Pterophyte
5. None of the above

Q) The dominant stage in the life cycle of Bryophyte is
1. Sporophyte
2. Gamatophyte
3. Both
4. Partial gamatophyte
5. None of the above

Q) Pterophyte contains
1. Seedless plants
2. Non-vasular plants
3. Vascular seed plants
4. Eudicot plants
5. None of the above

Q) Which of the following is a dead cell at maturity
1. Guard cells
2. Sieve elements
3 .Tracheids
4. Meristems
5. Both 2 and 4

Q) Inside the ovary the egg is guarded by
1. Egg shell
2. Synergids
3. Micropyle
4. Cotyledons
5. None of the above

Q) Eudicots are
1. True monocots
2. True dicots
3. Neither monocot nor dicot
4. True dicots
5. Ancestor of monocots

Q) Onion can be considered as
1. Modifies root
2. Modified stem
3. Modified leaves
4. Normal stem
5. None of the above

Q) Stolons can be seen in
1. Strawberry
2. Gymnosperms
3. Apples
4. Sunflower
5. All of the above

Q) Pneumatophores can be seen in
1. Woody trees
2. Mangrooves
3. Evergreen trees
4. DIcots
5. All the above

Q) The sperm nuclei fuses with
1. Egg and synergids
2. Egg only
3. Egg and central nuclei
4. Central nuclei only
5. None of the above

Q) After fertilization the ovule developes in to
1. Fruite
2. Endosperm
3. Flower
4. Seed
5. Root cap

Q) The gynoecium is a collective name for
1. Anthers
2. Stames
3. Pistils
4. Carpels
5. None of the above

Q) The ploidy level of endosperm is
1. 1n
2. 2n
3. 3n
4. 4n
5. None of the above

Q) Monocots have
1. Orderd vascular tissues
2. One - pored pollen
3. Net like veins
4. Free swinmming sperms
5. All of the above