The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
[2010]
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called
[2010]
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Apomictic embryos in citrus arise from
[2010]
An example of a seed with endosperm, perisperm, and caruncle is
[2009]
Cotyledons and testa respectively are edible parts in
[2009]
A fruit developed from hypanthodium inflorescence is called
[2009]
Flowers with both androecium and gynoecium are called
What does the filiform apparatus do at the entrance into ovule?
[2008]
Unisexuality of flowers prevents
[2008]
The fleshy receptacle of syconus of fig encloses a number of:
[2008]
Dry indehiscent single-seeded fruit formed from bicarpellary syncarpous inferior ovary is
[2008]
Endosperm is consumed by developing embryo in the seed of
[2008]
Which one of the following pairs of plant structures has haploid number of chromosomes?
Male gametes in angiosperms are formed by the division of
[2007]
Which one of the following is surrounded by a callose wall?
[2007]
What would be the number of chromosomes in the cells of the aleuron layer in a plant species with 8 chromosomes in its synergids?
[2006]
The arrangement of the nuclei in a normal embryo sac in the dicot plants is
[2006]
Why is vivipary an undesirable character for annual crop plants?
[2005]
In which one pair both the plants can be vegetatively propagated by leaf pieces?
[2005]
Top-shaped multiciliate male gametes, and the mature seed which bears only one embryo with two cotyledons, are characteristic features of
[2005]
Which one of the following represents an ovule, where the embryo sac becomes horseshoe shaped and the funiculus and micropyle are close to each other?
[2005]
Through which cell of the embryo sac, does the pollen tube enter the embryo sac?
[2005]
In oogamy, fertilization involves
[2004]
An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is
[2004]
In a flowering plant, archesporium gives rise to
[2003]
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