Explanation

Saturn is the second-largest planet in the solar system.

Ganymede (Moon of Jupiter) is the largest satellite in the solar system.

Planets and Natural Satellites:

• Mercury: 0
• Venus: 0
• Earth: 1 (Moon)
• Mars: 2 (Deimos, Phobos)
• Jupiter: 95
• Saturn: 274
• Uranus: 27

Explanation

100 grams of cooked mutton (lean, trimmed) provides approximately 153 calories, depending on fat content.

It is a rich source of protein, along with essential vitamins like B12 and minerals like iron.

Explanation

Balancing the equation requires equal atoms of each element on both sides.

Here, 2 molecules of KNO₃ decompose into 2 molecules of KNO₂ and 1 molecule of O₂ gas.

Explanation

Temperature differences across the Earth, due to sunlight angle and duration.

They are a major factor in creating different climates.

These variations influence air pressure, precipitation, and seasonal patterns, shaping climate zones.

Explanation

The ostrich egg is the largest cell in the animal kingdom.

It can weigh up to 1.4 kg.

Explanation

Order of Planets from the Sun (by distance):

• 1st: Mercury
• 2nd: Venus
• 3rd: Earth
• 4th: Mars

Explanation

Condensation is the process where water vapor in clouds cools down as it moves through colder regions, turning into liquid water (rain) or solid ice (snow).

This process is a key part of the water cycle.

Explanation

Giraffes use infrasonic waves (low-frequency sounds) to communicate over long distances.

These sounds are below the human hearing range.

It help in coordination and alerting others about predators.

Explanation

Sense organs like eyes, ears, nose, skin, and tongue detect different stimuli.

They send signals to the brain, enabling us to perceive the environment.

Explanation

The head of a chlorophyll molecule contains a porphyrin ring with a central magnesium (Mg) atom.

This ring has four nitrogen atoms that coordinate with the magnesium, forming a stable complex essential for photosynthesis.