The release of ovum from the ovary is called: MCQ with Answer and Explanation

Explanation:
The pineal gland secretes melatonin in a daily rhythm, peaking at night, thus regulating the sleep-wake cycle and seasonal biological rhythms. The pituitary controls other glands, thyroid metabolism, adrenals stress response. Light signals from the retina influence pineal activity.

Explanation:
Lysosomes contain hydrolytic enzymes that can digest cellular components and even the whole cell if they burst, a process called autolysis. Hence, they are called suicide bags. They also perform autophagy and phagocytosis. Peroxisomes detoxify peroxides, Golgi modifies proteins, ribosomes synthesize proteins. Lysosomes are formed from the Golgi apparatus.

Explanation:
Holstein-Friesian (often just called Holstein) is a high-yielding exotic breed of dairy cattle originating from the Netherlands. They are known for their high milk production, although the milk has a lower fat content compared to some indigenous breeds. Sahiwal, Gir, and Red Sindhi are important indigenous (Indian) cattle breeds known for their disease resistance and heat tolerance.