Prepare for NEET Biology Plant Kingdom (Angiosperms) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert insights into flowering plants, double fertilization, and fruit formation.
The phenomenon of double fertilization in angiosperms results in the formation of:
Two diploid zygotes
A diploid zygote and a triploid primary endosperm nucleus
A triploid zygote and a diploid primary endosperm nucleus
Two triploid primary endosperm nuclei
Which of the following statements regarding apomixis is INCORRECT?
Seeds are formed without fertilization
It leads to clonal propagation
It maintains hybrid vigor over generations
It is seen in some species of Asteraceae and grasses
In a tetrasporangiate anther, the number of microspore mother cells required to produce 100 pollen grains is:
25
50
100
200
Identify the INCORRECT statement regarding the development of the female gametophyte (embryo sac) in angiosperms:
The functional megaspore undergoes three mitotic divisions.
The mature embryo sac is typically 7-celled and 8-nucleate.
The synergids are located at the chalazal end of the embryo sac.
The antipodal cells are located at the chalazal end of the embryo sac.
A plant with a reticulate venation, tetramerous flowers, and a drupe fruit most likely belongs to which family?
Rutaceae
Anacardiaceae
Liliaceae
Poaceae
Which of the following groups of plants exhibits double fertilization?
Angiosperms
Gymnosperms
Pteridophytes
Bryophytes
Double fertilization is a key event in the reproductive cycle of:
Flowering plants
Conifers
Ferns
Mosses
The process in which one male gamete fuses with the egg cell and the other fuses with the polar nuclei is known as:
Double fertilization
Single fertilization
Triple fusion
Pollination
Which structure is formed as a result of the fusion of one male gamete with the polar nuclei during double fertilization?
Endosperm
Zygote
Embryo
Seed coat
The distinct vertical layering of plants based on their height is most evident in:
Tropical Rainforests
Grasslands
Deserts
Tundra
