Related Questions
In a hypothetical plant species, the endosperm is diploid and the embryo is triploid. Which of the following most accurately describes the process leading to this unusual ploidy?
Diploid megaspore mother cell undergoes mitosis to form the embryo sac, and a diploid male gamete fuses with a haploid central cell.
Haploid megaspore mother cell undergoes meiosis to form the embryo sac, and a diploid male gamete fuses with a diploid central cell.
Triploid megaspore mother cell undergoes mitosis to form the embryo sac, and a haploid male gamete fuses with a diploid central cell.
Diploid megaspore mother cell undergoes meiosis to form the embryo sac, and two haploid male gametes fuse with a haploid central cell.
Which reproductive strategy is characterized by a single flowering event followed by the death of the plant?
Monocarpy
Polycarpy
Biennial
Perennial
Identify the dioecious plant from the following options.
Cucumber
Maize
Date palm
Watermelon
Which of these features is NOT associated with unisexual flowers?
Separate male and female flowers
High chance of self-pollination
Found in plants like papaya
Promotes cross-pollination
In a species with a 2n=16 karyotype, how many chromosomes would be present in the nucleus of the functional megaspore?
8
16
32
4
Which of the following flowers only once in its life-time ?
Papaya
Bamboo species
Mango
Jackfruit
Which of the following flowers only once in its life-time ?
Papaya
Bamboo species
Mango
Jackfruit
Offsprings formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because
Sexual reproduction is a lengthy process
Gametes of parents have quantitatively different genetic composition
Genetic material comes from two parents of same species
Greater amount of DNA is involved in sexual reproduction
A plant species has separate male and female flowers on different individuals. This plant species can be described as:
Monoecious
Dioecious
Hermaphrodite
Bisexual
The condition, in which, both male and female reproductive organs are found on the same plant, is called
Unisexual
Bisexual
Both (2) and (4)
Monoecious