Questions

"If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo." is the only correct statement about the uterine cycle among the options.

Emphysema is a condition that involves damage to the walls of the air sacs (alveoli) of the lung i.e, primarily causes shortness of breath due to over-inflation of the alveoli.

First, emphysema causes holes to gradually form inside the lungs' air sacs, thereby weakening their internal structure and inhibiting the exchange of oxygen and carbon dioxide.

A shell is an interactive user interface to an operating system services that allows an user to enter commands as character strings or through a graphical user interface. The shell converts them to system calls to the OS or forks off a process to execute the command. System call results and other information from the OS are presented to the user through an interactive interface. Commonly used shells are sh,csh,ks etc.

Synchronous motor is a motor which runs at a constant speed irrespective of load attached to it. So the speed regulation of synchronous motor is ZERO.

Water reabsorption by the renal tubules is harmonally controlled and it is a osmosis mechanism.

C3 plants are plants that undergo C3 photosynthesis, which means that they undergo the Calvin cycle (converting carbon dioxide into energy) in their chloroplasts and typically keep their stomata open during the day. These are the most common types of plants.

In C3 plants the conservation of water promotes Photorespiration.