Prepare for NEET Biology Plant Kingdom with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to understand plant diversity and groups.
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.
Which of the following combinations of floral characteristics is MOST likely to be associated with wind pollination?
Large, showy flowers; abundant nectar; small amounts of pollen; sticky stigma
Small, inconspicuous flowers; no nectar; large amounts of pollen; feathery stigma
Brightly colored flowers; strong fragrance; moderate amounts of pollen; tubular stigma
Large, bell-shaped flowers; copious nectar; few pollen grains; exposed stigma
Which of the following is an example of a monoecious plant?
Papaya
Cucurbita
Date Palm
Marchantia
A plant species having separate male and female flowers on the same individual is called:
Dioecious
Hermaphrodite
Monoecious
Bisexual
Which of these characteristics describes a monoecious plant?
Male and female flowers on separate plants
Both male and female reproductive parts in the same flower
Only male or female flowers on a plant
Separate male and female flowers on the same plant
If a plant species is described as NOT being dioecious and its flowers are NOT hermaphroditic, then it is most likely:
Monoecious
Dioecious
Hermaphroditic
Reproducing asexually
