Explanation

• During Metaphase, the chromosomes align at the center of the cell, attached to the spindle fibers formed by the centrioles (also known as microtubules).
• This is the stage where the chromosomes are connected to the spindle fibers, preparing for separation.

Explanation

In most businesses and homes, electrical circuits are connected in parallel to ensure that:

• Each device receives the same voltage
• If one device fails or is turned off, others remain operational
• The entire circuit doesn't fail if one device is disconnected

Explanation

• Whales have a unique audible range that is adapted to their underwater environment.
• They can hear sounds at very low frequencies, often below 20 Hz, and up to 31 kHz.

Explanation

• Green plants use carbon dioxide (CO2) from the air, water (H2O), and energy.
• From sunlight to produce glucose (food) and oxygen (O2) through the process of photosynthesis.

Explanation

• Halazone is a water purification tablet.
• It is used to disinfect water and make it safe for drinking.

Explanation

Opaque objects form sharp and dark shadows because they block all light from passing through, creating a clear and defined shadow.

Explanation

Lake, sea, wetland, river, ocean, and pond are all examples of different types of water environments.

Explanation

• Each seed is covered on the outside by a seed coat.
• It is also known as testa.
• The seed coat protects the seed and helps regulate water uptake during germination.

Explanation

• Yeast is a type of fungus, specifically a single-celled fungus that belongs to the kingdom Fungi.
• It is a eukaryotic microorganism that is capable of fermenting sugars.
• It is commonly used in baking and brewing.

Explanation

Vertebrates are animals that have a backbone or spinal column. This group includes:

• Fish
• Amphibians
• Reptiles
• Birds
• Mammals (including humans)