Explanation

Hemophilia is a genetic blood disorder passed from parents to offspring.

It causes failure of normal blood clotting, leading to excessive bleeding.

Explanation

During photosynthesis, plants release oxygen (O₂) as a by-product.

Carbon dioxide is absorbed, not released, during this process.

Formula: 6CO₂ + 6H₂O + sunlight → C₆H₁₂O₆ + 6O₂

Oxygen released supports breathing for humans and animals.

Explanation

Amnesia is a common term used to describe memory loss.

Loss can be temporary or permanent, but "amnesia" usually refers to temporary diversity.

Causes include head and brain injuries, certain medications, alcohol, traumatic events, or conditions such as Alzheimer's disease.

Explanation

The patella is commonly known as the kneecap.

It is part of the human skeletal system.

It protects the knee joint and helps in movement.

It is the largest sesamoid bone in the body.

Explanation

A mass of ice originating in mountains in snowfields above the snowline is called a Glacier.

Glaciers slowly move downhill due to gravity.

They are a major source of freshwater and rivers in the mountains.

Explanation

• Veins are the blood vessels that carry blood from other parts of the body back to the heart.
• They have one-way valves that prevent blood from flowing backwards and ensure it keeps moving towards the heart.

Explanation

Tectonic Plates Movement (Most Common): The Earth's crust is broken into large tectonic plates that constantly shift. 

Volcanic Activities: Movement of magma beneath volcanoes can cause shifts and trigger earthquakes.

Tectonic Dislocation (Faults): This refers to the actual fractures (faults) in the crust where plates slide past each other, which is the direct mechanism for most plate-related earthquakes.

Other Causes: Human activities (mining, large reservoirs) and even large collapses of rock can also cause minor seismic events. 

Explanation

Explanation

D 1 appears to refer to a specific genotype, D1.1, of the H5N1 avian influenza (bird flu) virus. 

The "H" stands for Hemagglutinin, and "N" for Neuraminidase — proteins found on the surface of the influenza virus.  

So, HX is associated with viruses, not bacteria, vaccines, or fungi. 

Explanation

The brain remains active during sleep, controlling breathing, heart rate, and dreaming.

Different sleep stages involve continuous brain activity, especially during REM sleep.