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Sexual Reproduction In Flowering Plants

Question
CBSEENBI12002266
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Which of the following statements is correct?

  • The seed in grasses is not endospermic

  • Mango is a parthenocarpic fruit

  • A proteinaceous aleurone layer is present in maize grain

  • A sterile pistil is called a staminode

Solution

C.

A proteinaceous aleurone layer is present in maize grain

A proteinaceous aleurone protein layer of maize start developing approximately 10-15 day after pollination in the stack that takes 40 days for the aleurone to mature completely. Thus is the correct statement. Correct sentence for other options are
a) Seed in grasses are endospermic
b) Banana is a parthenocarpic fruit
c) Sterile pistil is called pistillode

Some More Questions From Sexual Reproduction in flowering Plants Chapter

Parthenocarpic fruit is :

The entry of pollen tube into embryo sac through the integuments is termed as :

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

Albuminous seeds store reserve food materials in ....................

Transfer of pollen grains from the anther to the stigma of another flower of same plant is called..............................

The...................direct the growth of pollen tube towards egg apparatus by secreting some chemical substances.

A kind of reproduction in which the new individuals are formed without involvement of meiosis and syngamy.

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