Explanation

• Location: Upper limbs / shoulder girdle
• Common Name: Shoulder blade
• Number: 2 scapula bones (left & right)
• Connected Bones: Clavicle and humerus
• Function: Supports shoulder & arm movement

Last verified on 03-02-2026

Explanation

• In the human digestive system, food is broken down into nutrients through chemical and mechanical processes.
• Mouth, small intestine, and large intestine play roles in digestion.
• But the esophagus only transports food from mouth to stomach and does not digest it.

Last verified on 02-02-2026

Explanation

• Maltose is broken down by the enzyme maltase into glucose in the small intestine.
• This glucose is then absorbed into the bloodstream for energy.

Last verified on 02-02-2026

Explanation

• Human body cells renew at different rates depending on function and wear.
• Gut cells (intestinal epithelial cells) are the most rapidly replacing cells, regenerating every 2–5 days.

Last verified on 01-02-2026

Explanation

Explanation

• Citrus fruits are rich in Vitamin C, which is essential for immunity.
• Vitamin C also helps in wound healing, collagen formation, and iron absorption.
• Citrus fruits include oranges, lemons, limes, and grapefruits.

Last verified on 25-01-2026

Explanation

• Some organisms feed on dead and decaying organic matter instead of living organisms.
• These organisms are called saprotrophs.
• They play an important role in decomposition and nutrient recycling in ecosystems.
• Examples include fungi, bacteria, and some protists.

Last verified on 01-02-2026

Explanation

• Stomata are tiny pores on leaf surfaces that control gas exchange and water loss.
• Their opening and closing is regulated by certain nutrients.

• Adequate potassium improves drought tolerance and water-use efficiency in crops.
• Crops like wheat, rice, and sugarcane respond strongly to potassium fertilization.

Last verified on 01-02-2026

Explanation

• Ethylene is a gaseous plant hormone that stimulates fruit ripening.
• It can inhibit vegetative growth in some plants.
• It is naturally produced by fruits like apples and bananas during maturation.

Additional information:

• Abscisic acid helps in seed dormancy and stress response.
• Auxin mainly promotes cell elongation and growth.

Last verified on 30-01-2026

Explanation

• Hypocotyl is the portion of the embryonic stem below the cotyledon(s).
• It connects the cotyledons to the radicle (embryonic root).
• During germination (especially in dicots), hypocotyl often elongates and lifts cotyledons above soil.

Additional information:

• Epicotyl is the stem part above the cotyledons.

Last verified on 01-02-2026