Which of the following plants does not have independent and free-living male and female gametophytes?
Cedrus is a gymnosperm having reduced dependent gametophytes- pollen and endosperm. In gymnosperms the male and the female gametophytes do not have an independent free-living existence and remain within the sporangia and are retained on the sporophytes.
The line connecting the regions of equal rainfall is called as
Which acids on leaves of gram is beneficial for stomach ailments and blood purification?
Which certification is required for the export of organic products?
The degree to which individuals involved in a communication are similar in certain characteristics is defined as:
The genotypic ratio of monohybrid cross is:
Black tip of mango is due to:
The rise in water-table in any season may be a ______ phenomenon of a short duration.
Ionosphere is present in
Which of the following converts the reciprocating motion of the piston into rotary motion of the flywheel?
Aroma of earthy smell in first shower of monsoon is due to the presence of:
