Microscope mother cells undergo meiosis to form spore tetrads. The microspores of pollen grains get separated from the tetrads. When these are... View Article
A fruit is defined as a fertilized and ripened ovary. The fruit wall is called the pericarp which can be thick, thin or even juicy and fleshy.... View Article
All the aggregate fruits are developed from multicarpellary apocarpous pistils. Hence, a cluster of fruitlets is produced from a single... View Article
Pome - is always developed from an inferior, multicarpellary and syncarpous ovary where the massive thalamus becomes an edible part. This... View Article
Ducts arising from the glandular portions of each side unite forming a salivary gland duct. The ducts of both sides run forward and unite into a... View Article
Milk is a complete food for infants and constitutes a very important supplementary diet for man. Due to its high nutritive value and fluid... View Article
A) cotyledons B) endosperm C) perisperm D) hypocotyl Answer:B) endosperm Explanation: Albuminous seeds are endospermic seeds, endosperm... View Article
A) large biomass B) new genetic combination leading to variation C) prolonged dormancy D) longer viability of seeds. Answer:B) new genetic... View Article
A) Tapetum nourishes the developing pollen B) Endothecium produces the microspores C) Sporogenous tissue is haploid D) Hard outer layer of... View Article
A) megaspore B) gemmule C) conidia D) meiocyte Answer:D) meiocyte Explanation: Meiosis takes place in meiocytes, which forms gametes. Meiosis... View Article
A) stimulate the division of the generative cell B) recognize the suitable pollen at the stigma C) guides the entry of pollen tube D) produce... View Article
A) breeding programmes B) in vitro fertilization C) ex situ conservation D) supplementing food Answer:D) supplementing food Explanation: Pollen... View Article
A) fertilization of a flower by the pollen from the same flower B) fertilization of a flower by the pollen from another flower of the same plant... View Article
A) wet stigma B) dry stigma C) solid style D) hollow style Answer:C) solid style Explanation: The style connects the ovary to the stigma.... View Article
A) Honey is made by bees by digesting pollen collected from flowers B) The flowers pollinated by flies and bats secrete foul odour to attract... View Article