Sperm production is hormonally driven. Brain hormones govern sperm production and are precisely controlled. So I say yes
Human activities have altered various natural environments around the planet. Various lands are now fields where only one farm crop is cultivated, is an example of monoculture farming.
An agricultural method of growing or producing a single plant, crop, or a livestock species, breed, or a variety in a field of the farming system at a time is known as a monoculture. Hence, the correct answer is option D, that is, monoculture.
You'll want to double check, but I think it's (a) cotyledon.
The natural selection among peppered moths of Manchester, England can be mainly attributed to to the abruptly increasing levels of Air Pollution in England as a result of thriving Industrial Revolution In the U.K.
Soot from power producing factories, etc resulted in complete eradication of lichens in the flora of the surrounding region.
The frequency of the newly evolved peppered moth increased as the dark colour was beneficial in a polluted environment like in Manchester.
The correct option is B.
The chromosome is a thread like structures, which is made up of nucleic acid and protein. It is usually found in the nucleus of living organisms and it normally carry genetic information in form of genes.