Plant Kingdom Questions
Choose the incorrect match from following :-
Assertion : In member of red algae, oogamous type of sexual reproduction is found. Reason : In life cycle of red algae motile structure is absent.
Few stages of life cycle of moss is given below. Arrange these events in correct order starting from sex organ bearing structure and select the correct option from given below : A. Protonema B. Leafy gametophyte C. Spore formation D. Sporogonium E. F
Given below are two statements: Statement-I : In Bryophytes, the sporophyte is not free living but attached to the photosynthetic gametophyte and derives nourishment from it. Statement-II : In heterosporous pteridophytes the female gametophyte are re
Identify A, B, C and D in the table given below.
Which one of the following statement is wrong regarding gymnosperm?
Match the column :
A diagram of female thallus of a bryophyte is given below. Select the option giving incorrect information regarding it :
Select the correct statement.
Recognise the figure and choose the correct option:
Identify the correct statement.
Identify the incorrectly matched pair.
Fill in the blanks correctly w.r.t. the life cycle of a moss : A moss of sporophyte → A → Spore mother cell → B → Spore → C → Leafy gametophyte
Normally angiosperm plants represent siphonogamy and internal fertilisation while the algae represent following sexual reproduction.
Match List-I with List-II. Choose the most appropriate answer from the options given below.
Choose the correct option that accurately matches the type of root system with the respective gymnosperm:List-I (Root System) List-II (Gymnosperm)A. Coralloid roots with N₂-fixing cyanobacteria I. PinusB. Tap roots associated with mycorrhizal fungi I
Which of the following statements regarding the reproductive structures of Gymnosperms is correct?
Given below are stages in the life cycle of a moss (bryophyte). Arrange the following stages in the correct chronological sequence starting from spore germination.A. Formation of leafy gametophyte from protonema. B. Germination of spores to form cree
Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence.A. Prothallus stageB. Meiosis in spore mother cellsC. FertilisationD. Formation of archegonia and antheridia in gametophyte.E. Transfe
The figure given below represents
Observe the following figure and select correct option.
Identify the figures given below
Which is correctly labelled?
The following figures respectively represent
The following figures respectively represent:
Given below are some statements regarding haplontic pattern of plant life cycle. 1. In this, sporophytic generation is represented only by the zygote. 2. There are no free-living sporophytes. 3. Zygote undergoes mitosis to form haploid spores. 4. The
A plant with 24 chromosomes in microspore mother cell shall have ______ number of chromosomes in its endosperm (angiosperm).
In Gymnosperms, the roots are generally tap roots. Roots in some genera have fungal association in the form of (I) (e.g., Pinus), while in some others (e.g., Cycas) small specialised roots called (II) are associated with N2-fixing cyanobacteria.
The giant redwood tree Sequoia is a/an
Gymnosperms are plants in which the ovules
The development of the zygote into young embryos takes place within the female gametophytes in heterosporous pteridophytes. This event is a precursor to the
Most of the pteridophytes produce similar kinds of spores; such plants are called (I). Selaginella and Salvinia produce two kinds of spores, macro and micro spores, such plants are known as (II).
In some pteridophytes, sporophylls may form distinct compact structures called
The sporophyte of pteridophytes bears sporangia that are subtended by leaf-like appendages called
Small leaves (microphylls) are found in (I) and large leaves (macrophylls) are found in (II)
In pteridophytes, the main plant body is a
The first terrestrial plants to possess vascular tissues (xylem and phloem) are
Pteridophytes are used for
The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The first stage is the (I) stage and the second stage is the (II) stage.
The sporophyte of mosses consists of
Gemmae are
Asexual reproduction in liverworts takes place by
Which of the following is a liverwort?
Peat, which is used as fuel and as packing material for trans-shipment of living material is obtained from
In bryophytes, the male sex organ is called (I) and the female sex organ is called (II)
The plant body of bryophytes is
Bryophytes are called amphibians of the plant kingdom because
Which of the following algae lack flagellated stages in their life cycle?
The food is stored as floridean starch in
Rhodophyceae (Red algae) are red because of the predominance of the red pigment