NEET UG Sexual Reproduction in Flowering Plants — practice questions
69 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NEET UG Sexual Reproduction in Flowering Plants in the app →A typical angiosperm anther is:From outer to inner, the four wall layers of a typical angiosperm microsporangium are:The wall layer of a microsporangium that nourishes developing pollen grains and whose cells often have dense cMicrosporogenesis is best described as:After microsporogenesis, the cells of the resulting microspore tetrad have a ploidy of:The hard outer wall of a pollen grain is made up of:The inner wall of a pollen grain, the *intine*, is composed of:The germ pores in a pollen grain are regions where:In a mature 2-celled pollen grain at the time of shedding, the two cells present are:Approximately what percentage of angiosperms shed pollen at the 2-celled stage?The three parts of a typical pistil are:In a typical angiosperm ovule, the small opening in the integuments through which the pollen tube usually enteIn megasporogenesis, the megaspore mother cell (MMC):In *monosporic development* of the female gametophyte:A mature angiosperm embryo sac is typically:
In a mature embryo sac,The synergids of an embryo sac have special cellular thickenings at the micropylar tip called *filiform apparaThe three cells at the chalazal end of an embryo sac are called:The large central cell of the embryo sac contains how many polar nuclei?Transfer of pollen grains from the anther to the stigma of the **same flower** is called:Geitonogamy is best described as:Which of the following is the **only** type of pollination that brings genetically different pollen grains to Wind-pollinated flowers typically have all of the following features EXCEPT:Production of unisexual flowers on different plants (each plant either male or female) is called:Self-incompatibility is a:In a plant breeding programme, removal of anthers from a flower bud before dehiscence is called:Bagging in plant breeding is done to:The ploidy of the primary endosperm nucleus (PEN) in angiosperms is:After double fertilisation, the zygote develops into the embryo while the:Coconut water (the liquid inside a tender coconut) is best described as:Triple fusion takes place in:In a dicot embryo, the portion of the embryonal axis above the level of cotyledons is the:In a monocot (grass) embryo, the cotyledon is called the:The protective sheath that encloses the plumule in a grass embryo is the:In some seeds (e.g., black pepper, beet), a persistent remnant of the nucellus is retained. This residual tissAs the ovary develops into a fruit, the ovary wall becomes the:False fruits are those in which:Parthenocarpic fruits develop:Apomixis is best described as:In many Citrus and Mango varieties, multiple embryos may develop in a single seed because:Polyembryony refers to:Why is apomixis of great interest in the hybrid seed industry?
After coPollen grains can be stored for years in:The pistil's ability to discriminate between compatible and incompatible pollen depends on:Male reproductive part of a flower is:Pollination is the transfer of pollen from:Endosperm of flowering plants is:Refer to the embryo sac structure:
 of pollen grains is made ofDouble fertilisation in angiosperms producesPollination of grasses occurs mainly throughSelf-incompatibility is a mechanism that preventsA complete flower has FOUR whorls. From outermost to innermost they are:Microsporogenesis (pollen formation) is initiated when:The mature embryo sac (female gametophyte) in flowering plants typically has:Pollination is best defined as the transfer of pollen from:Pollination by INSECTS is called:In double fertilisation, the second male gamete fuses with:In a typical dicot embryo, the number of cotyledons is:In the fruit, the OVARY WALL develops into the:Parthenocarpy refers to: