Gemma is
1. Green unicellular, asexual bud
2. Green, multicellular, asexual bud
3. Both 1 and 2
4. Green, Filamentous, asexual bud.
Find out incorrect match.
Character |
Liverworts |
Mosses |
|
1 |
Rhizoids |
Unicellular |
Multicellular |
2 |
Zygote |
Immediate meiosis |
Meiosis delayed |
3 |
Fertilisation |
with the help of water |
with the help of water |
4 |
Dominant Stage |
Haploid |
Haploid |
Budding in mosses is mode of vegetative reproduction it takes place in?
1. Primary protonema
2. Secondary protonema
3. Both 1. and 2.
4. Leafy stage.
Although pteridophytes are first land vascular plant but its distribution is restricted to few geographical areas because?
1. Restricted requirement for growth of gametophyte.
2. Need of H2O for fertilization
3. Dominant sporophytic phase
4. Both 1 and 2
Study the diagram given below and find out incorrect statement related to this
1. It has macrophytes
2. It is heterosporous
3. Its gametophyte is independent
4. It lacks vascular tissue
Which of the following feature in pteridophyte considered as an important step in evolution.
1. Presence of cone
2. Presence of two type of leaf
3. Heterospory
4. Seed habit
Which of the following statement is wrong for gymnosperm?
1. They are homosporous.
2. The multicellular female gametophyte is retained within megasporangium.
3. Pollen grain is released from the microsporangium and carried by wind, which come in contact with ovules.
4. The male and female gametophytes do not have an independent free living existence.
Which of the following statement is true for Pinus?
1. Roots have fungal association in the form of mycorrhiza
2. Male and female strobili borne on same tree
3. Both 1 and 2
4. Roots are called coralloid roots
Mark the wrong statement about Cycas
1. Stem unbranched
2. Pinnate leaves persist for few years
3. Roots associated with cyanobacteria
4. Male and female reproductive structure on same plant
Which among the following pteridophytes has compact structure strobili formed by sporophylls as well as it shows heterospory?
1. [A]
2. [B]
3. [C]
4. All the above
Which among the following is/are the life cycle pattern of colonial algae Volvox?
1. A
2. B
3. C
4. All of these
Which one is correct about male and female gametophyte?
1. In bryophytes and pteridophytes they have independent free-living existence
2. In gymnosperms and angiosperms they have no independent free-living existence
3. Both 1 and 2
4. In bryophytes, pteridophytes and angiosperms they have free-living life. They remain in sporangia which retained on sporophytes
For gymnosperms pollination, which is correct?
1. By water
2. It is direct
3. On-ovary
4. It is indirect
Which of the following statement is not true about the family Liliaceae?
1. | Perennial herbs with underground bulbs/corms/rhizomes |
2. | Flower: bisexual, zygomorphic |
3. | Gynoecium: tricarpellary, syncarpous, superior, trilocular with many ovules, axile placentation |
4. | Tulip, Gloriosa, Aloe, Asparagus and colchicum belongs to Liliaceae |
Find odd one out with respect to presence of endosperm in seed
1. Castor
2. Wheat
3. Maize
4. Orchids
In the following diagram A, B, C and D represent
1. A - Seta, B - Leaves, C- Rhizoids, D - Capsule
2. A - Leaf, B - Rhizoids, C- Scales, D - Root hair
3. A - Capsule, B - Seta, C- Leaves, D - Rhizoids
4. A - Capsule, B - Foot, C- Leaves, D - Rhizoids
The incorrect match for chlorophyll type is
1. Chlorophyll ‘a’ .... Green algae
2. Chlorophyll ‘d’ ... Diatoms
3. Chlorophyll ‘c’ ... Dinoflagellates and Brown algae
4. Chlorophyll ‘d’ ...Red algae
Lichens are pioneer vegetation in
1. Xerosere
2. Hydroponics
3. Marine life
4. Hydrosere
Gametangial copulation is characteristic to
1. Ascomycetes
2. Zygomycetes
3. Deuteromycetes
4. Phycomycetes
The middle central part of moss capsule is sterile and is known
1. Columella
2. Spore sac
3. Paraphyses
4. Calyptra
Protonema is a characteristic feature of
1. Fern
2. Marchantia
3. Moss
4. Cycas
In Pteridophytes reduction division occurs during
1. spore formation
2. gamete formation
3. sporophyte formation
4. gametophyte germination
Endosperm in gymnosperm is
1. Haploid
2. Diploid
3. Triploid
4. All of the above
How many of the following pairs are correctly matched?
(1) Aseptate and coenocytic mycelium – Albugo
(2) White rust causing fungi – Puccinia
(3) Unicellular sac fungi – Yeast
(4) Endogenous asexual spores – Trichoderma
(5) Sex organs are absent – Puffballs
1. Three
2. Five
3. Two
4. Four
Gametophyte in the pteridophytes is
(i) Small, inconspicuous.
(ii) Long lived, unicellular.
(iii) Mostly photosynthetic thalloid or saprophytic.
(iv) Short lived, haploid.
How many statements are correct with respect to gametophyte?
1. Two
2.Three
3. Four
4. One
Given below are three statements each with one blank. Select the option which correctly fill up the blanks in two statements
(i) _______ systems gave equal weightage to vegetative and sexual characteristics.
(ii) Number and codes are assigned to all the characters and the data are then processed in _______ taxonomy.
(iii) ________ systems assume that organisms belonging to the same taxa have a common ancestor.
1. (i) - Artificial, (iii) - Natural
2. (ii) - Phenetics, (iii) - Artificial
3. (i) - Artificial, (ii) - Chemotaxonomy
4. (iii) - Phylogenetic, (i) - Artificial
Development of the zygotes into young embryo takes within the female gametophytes in
1. Adiantum.
2. Selaginella.
3. Riccia.
4. Batrachospermum.
Match the following:
Kingdom Character
(i) Monera p. Double fertilization
(ii) Protista q. Members are primarily aquatic
(iii) Fungi r. Cell-wall with chtin and polysaccharides
(iv) Plantae s. Cell-wall with polysaccharide and amino acids
i ii iii iv
1. s q r p
2. s q p r
3. q s r p
4. q p r s
Study the figure and find out incorrect statement.
1. Contains laminarin or mannitol as reserve food.
2. Life-cycle is diplontic.
3. Union of gamete may take place in water or within the oogonium.
4. Gametes with two apically inserted flagella.
Following are some statements. Some are true (T), some are false (F).
(i) In bryophytes zygote do not undergoes reduction division immediately.
(ii) In hetrosporous pteridophyte female gametophyte is retained in parent sporophyte for variable period.
(iii) In gymnosperms male and female gametophyte has free living existence.
(iv) Wolfia which is smallest angiosperm do not have double fertilisation
i ii iii iv
1. T T F F
2. T F T F
3. T F F T
4. F T F T