Meiosis takes place in
A) megaspore B) gemmule C) conidia D) meiocyte Answer:D) meiocyte Explanation: Meiosis takes place in meiocytes, which forms gametes. Meiosis... View Article
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Function of filiform apparatus is to
A) stimulate the division of the generative cell B) recognize the suitable pollen at the stigma C) guides the entry... View Article
Pollen tablets are available in the market for
A) breeding programmes B) in vitro fertilization C) ex situ conservation D) supplementing food Answer:D) supplementing food Explanation: Pollen tablets... View Article
An aggregate fruit is one which develops from
Q. An aggregate fruit is one which develops from A) multicarpellary apocarpous gynoecium B) multicarpellary syncarpous gynoecium C) multicarpellary superior ovary... View Article
Geitonogamy involves
A) fertilization of a flower by the pollen from the same flower B) fertilization of a flower by the pollen... View Article
Transmission tissue is the characteristic feature of
A) wet stigma B) dry stigma C) solid style D) hollow style Answer:C) solid style Explanation: The style connects the... View Article
The hilum is a scar on the
A) seed, where micropyle was present B) fruit, where style was present C) fruit, where it was attached to the... View Article
Which one of the following statements is not true?
A) Honey is made by bees by digesting pollen collected from flowers B) The flowers pollinated by flies and bats... View Article
Which one of the following may require pollinators, but is genetically similar to autogamy?
A) Cleistogamy B) Apogamy C) Xenogamy D) Geitonogamy Answer:D) Geitonogamy Explanation: Geitonogamy refers to the transfer of pollen from one... View Article
Male gametophyte in angiosperms produces
A) three sperms B) single sperm and two vegetative cells C) single sperm and a vegetative cell D) two sperms... View Article
Which one of the following fruits is parthenocarpic?
A) Banana B) Jackfruit C) Apple D) Brinjal Answer:A) Banana Explanation: Parthenocarpic fruits are seedless, they are produced without fertilisation.... View Article
Coconut water from a tender coconut is
A) degenerated nucellus B) innermost layers of the seed coat C) free nuclear endosperm D) immature embryo Answer:C) free nuclear... View Article
Flowers are unisexual in
A) onion B) China rose C) cucumber D) pea Answer:C) cucumber Explanation: Unisexual flower means, male and female reproductive parts... View Article
Filiform apparatus is the characteristic feature of
A) synergids B) aleurone cell C) nucellar embryo D) generative cell Answer:A) synergids Explanation: Synergids are the part of the... View Article
The proximal end of the filament of stamen is attached to the
A) thalamus or petal B) placenta C) connective D) anther Answer:A) thalamus or petal Explanation: The proximal end of the... View Article
Which of the following statements is not correct regarding pollen grains?
A) Some reptiles have also been reported as pollinators in some plant species B) Pollen germination and pollen tube growth... View Article
Pollination in water hyacinth and water lily is brought about by the agency of
A) insects or wind B) water C) bats D) birds Answer:A) insects or wind Explanation: In most aquatic plants, flowers... View Article
In the majority of angiosperms
A) there are numerous antipodal cells B) egg has a filiform apparatus C) a small central cell is present in... View Article
Double fertilisation is exhibited by
A) fungi B) algae C) gymnosperms D) angiosperms Answer:D) angiosperms Explanation: Double fertilisation is a characteristic feature of flowering plants,... View Article
A dioecious flowering plant prevents both
Q. A dioecious flowering plant prevents both A) geitonogamy and xenogamy B) autogamy and geitonogamy C) autogamy and xenogamy D) cleistogamy... View Article
