Class XII · Biology practice

Sexual Reproduction in Flowering Plants MCQs

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501 questions in this collection · Page 16 of 51

Question 151 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

Seeds of Phoenix dactylifera were found at:
Phoenix dactylifera discovered during the archeological excavation at King Herod's palace near the Dead Sea.
Question 152 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

Large trees like Ficus develop from:
Have you seen a tiny seed of Ficus? How large is the tree of Ficus developed from that tiny seed.
Question 153 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

Apomixis produces seeds that are:
Apomixis is a form of asexual reproduction... there is no segregation of characters... (Implies cloning).
Question 154 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

The filiform apparatus is present at the:
The synergids have special cellular thickenings at the micropylar tip called filiform apparatus.
Question 155 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

The body of the ovule fuses with the funicle at:
The body of the ovule fuses with funicle in the region called hilum.
Question 156 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

In which type of pollination do pollen grains come from the same flower?
Transfer of pollen grains from the anther to the stigma of the same flower... (Autogamy).
Question 157 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

Cleistogamous flowers are:
Cleistogamous flowers are invariably autogamous as there is no chance of cross-pollen landing on the stigma.
Question 158 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

Wind pollination requires pollen to be:
Wind pollination also requires that the pollen grains are light and non-sticky.
Question 159 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

The tassels of a corn cob are:
The ears you see are nothing but the stigma and style which wave in the wind to trap pollen grains.
Question 160 of 501
📘 CLASS XII

Sexual Reproduction In Flowering Plants

Which of the following is a marine seagrass?
Several marine sea-grasses such as Zostera.
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