Biology (Medical Entrance)
Description: JKCET Biology Test - 18 | |
Number of Questions: 35 | |
Created by: Vaibhav Pathak | |
Tags: JKCET Biology Test - 18 Formation of Embryo and Endosperm Post-fertilisation Changes Reproduction in Plants Reproduction Vernalisation Vernalisation in Plants Plant Growth Growth in Plants Pollination |
Ruminate endosperm is commonly found in the seeds of
The growth of pollen tube towards ovule is due to
The endosperm of Brassica campestris is
In unisexual plants, sex can be changed by application of
Syngamy means
Pollen tube at the time of entering embryo sac has
The phenomenon of vernalization was described for the first time by
Maximum growth occurs in
Malacophily is the name given to pollination by
Vernalization is
Richmond-Lang effect is shown by
Opening and closing of flowers represent a kind of
Fusion of one male gamete with the egg cell and fusion of another male gamete with secondary nucleus is called
Pollination characteristically occurs in
Insect-pollinated flowers usually possess
A close relation between flower and pollinating agent is best exhibited by
The insect Blastophaga grossorum is associated with the pollination of
Work of Garner and Allard is related with
If a pollen of a flower falls on the stigma of another flower belonging to the same plant, it is
The fusion product of polar nuclei and male gamete is
Entomophilous flowers are
Pollination by ants is called
A typical example of cross pollination is
Which condition prevents self-pollination?
Porogamy is
A bisexual flower which never opens in its life span is known as
Translator mechanism is found in
Bioassay for auxin is
Elongation of a genetically dwarf plant is possible by the application of
Milky water of green coconut is
When pollen of a flower is transferred to the stigma of another flower of the same plant, the pollination is referred to as
Parthenocarpy is most commonly seen in
Lever mechanism or turnpipe mechanism for pollination is a characteristic feature of
The formation of fruits without fertilization is known as
Hydrophily is best demonstrated by