Explanation

• Omnivores are NOT an abiotic factor; they are a biotic (living) factor.
• Abiotic factors are non-living components of the environment such as soil, temperature, and sunlight.
• Omnivores are organisms that eat both plants and animals.
• Environmental factors are divided into biotic and abiotic components.

Last verified on 25-06-2026

Explanation

• Pneumatics is the study of the mechanical behavior and application of gases, especially compressed air, under pressure.
• It deals with the use of pressurized gases to produce mechanical motion.
• Pneumatic systems are commonly used in machines, tools, and industrial equipment.
• The word comes from the Greek word "pneuma" meaning air or breath.

Last verified on 25-06-2026

Explanation

• Turning red litmus paper blue is NOT a property of acids; it is a property of bases.
• Acids turn blue litmus paper red.
• Acids generally have a sour taste, are often corrosive, and react with some metals to release hydrogen gas.
• Acids produce hydrogen ions (H⁺) in water.

Last verified on 25-06-2026

Explanation

• Phospholipids are not a component of a DNA nucleotide.

Additional information:

A DNA nucleotide consists of three parts:

1. Nitrogenous base → Adenine (A), Thymine (T), Guanine (G), Cytosine (C)
2. Deoxyribose sugar → 5-carbon sugar in DNA
3. Phosphate group (Phosphoric acid) → Forms the backbone of DNA

Last verified on 25-06-2026

Explanation

• Opposite electrostatic charges attract each other.
• Positive (+) and negative (−) charges pull toward each other due to electrostatic force.
• Like charges (positive-positive or negative-negative) repel each other.
• This principle is explained by Coulomb’s Law.

Last verified on 25-06-2026

Explanation

• Lamp is not a form of energy.
• It is a device that produces light.
• Heat, sound, and light are all different forms of energy.
• Energy is the ability to do work or produce change.
• A lamp converts electrical energy into light energy.

Last verified on 16-06-2026

Explanation

• The primary colors of white light are Red, Green, and Blue (RGB).
• White light is produced when these three colors of light combine in equal amounts.
• This is called the additive color model.
• RGB is used in screens, televisions, and digital displays.

Additional information:

The primary colors of Pigment is:

• Red
• Yellow
• Blue

Last verified on 25-06-2026

Explanation

• Jaundice is a condition characterized by yellowing of the skin and eyes.
• It is caused by excess bilirubin due to liver dysfunction or disease.

Last verified on 01-04-2026

Explanation

• Black Gold: Petroleum (Crude Oil)
• Color: Dark black / brownish black
• Main Uses: Fuel, petrol, diesel, kerosene, plastics
• Importance: Backbone of modern industry and transport

Additional information:

• Top Oil-Producing Countries:
  1. Saudi Arabia
  2. USA
  3. Russia
  4. Iraq
  5. Iran

Last verified on 16-06-2026

Explanation

• Strawberry is the only common fruit whose seeds are on the outside.
• Its seeds are called “achenes”.
• They are present on the surface.
• The red fleshy part is actually not the real fruit but a swollen part of the flower.
• Strawberries are rich in vitamin C and antioxidants.

Last verified on 25-06-2026