UP Board Class 12 Reproduction In Organisms — practice questions
15 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice UP Board Class 12 Reproduction In Organisms in the app →The female reproductive whorl of a flower is theA typical angiosperm embryo sac hasThe tough outer wall (exine) 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: