Mix Examples - Life Processes Questions in English

(A) The statement is $True$.
In the human circulatory system,the $Aorta$ is the largest artery that carries oxygenated blood from the left ventricle of the heart to the rest of the body.
The $Vena$ $Cava$ (specifically the superior and inferior vena cava) is the largest vein that returns deoxygenated blood from the body to the right atrium of the heart.

(B) The statement is False.
$1$. Reptiles (except crocodiles) have a three-chambered heart.
$2$. Mammals have a four-chambered heart,not a two-chambered heart.
$3$. Fishes have a two-chambered heart.
Since the part regarding mammals is incorrect,the entire statement is False.

(B) The statement is $False$.
In plants,$Xylem$ is responsible for the transport of water and dissolved minerals from the roots to the leaves and other aerial parts of the plant.
This movement is unidirectional,meaning it only occurs in an upward direction (from roots to shoots).
In contrast,the transport of food (sucrose) by $Phloem$ is bidirectional,meaning it can move both upward and downward depending on the plant's needs.

(A) The statement is $True$. Bile is a digestive juice produced by the liver cells (hepatocytes). It is alkaline in nature due to the presence of bile salts,which help in the emulsification of fats. It is temporarily stored and concentrated in the gall bladder before being released into the small intestine.

(A) The statement is $True$. The liver is the largest internal organ and the largest gland in the human body. It performs various essential functions,including detoxification,protein synthesis,and the production of biochemicals necessary for digestion.