Explanation

An oasis is a fertile area found in a desert.

It has a natural source of water, such as springs or underground water.

The presence of water allows plants and trees to grow.

Oases often support human settlements and agriculture.

They are crucial resting points for travelers and caravans in deserts.

Explanation

Turnip is best described as a napiform root

This shape is characterized as being swollen or spherical at the base and abruptly tapering towards a point at the apex

Explanation

Sugarcane generally has the longest cultivation-to-harvest period, taking 10 to 18 months (or even longer in some regions) to mature

Cotton: Around 5–6 months (a single growing season).

Rice: About 3–6 months (single season).

Wheat: Completes life cycle in one season (shorter than cotton/sugarcane). 

Explanation

The age of a tree is determined by counting its growth rings (annual rings) in the trunk.

Each ring typically represents one year of growth.

Explanation

• Banana is classified as a berry in botanical terms.
  • It develops from a single ovary.
  • Soft, fleshy, and contains multiple seeds (small or undeveloped in cultivated varieties).
  • Edible and rich in carbohydrates and vitamins.
  • Commonly grown in tropical and subtropical regions.

Last verified on 06-02-2026

Explanation

Plants produce sugar and starch using sunlight through photosynthesis.

It is a process where light energy converts carbon dioxide and water into glucose and oxygen.

Explanation

Explanation

- The plasma membrane (also called cell membrane) is present in both plant and animal cells and controls the entry and exit of substances.

- The cell wall is only present in plant cells, not animal cells.

- Mitochondria and Golgi apparatus are organelles, not boundaries.

Explanation

Nitrogen is a key component of amino acids, the building blocks of proteins.

Thus, in plants and animals, nitrogen mainly exists in the form of proteins.

Explanation

The following table provides the botanical names for a variety of familiar plants: