Explanation

• Naturally occurring auxin is primarily found in the form of Indole-3-acetic acid (IAA),
• It regulates plant growth.
• It promotes cell elongation.
• Auxins influence apical dominance.

Last updated question 17-02-2026

Explanation

• Guttation is the exudation of water droplets.
• It usually occurs at leaf margins.
• Hydathodes are special water pores.
• It happens during high root pressure.
• Common in grasses and small plants.

Last updated question 17-02-2026

Explanation

A rhizome is the main stem of the plant

Grows typically underground and horizontally to the soil surface. 

Turmeric grows underground.

It is a modified stem.

Last updated question 17-02-2026

Explanation

• Starberry belongs to the Rosaceae family.
• This family includes roses and apples.
• Plants usually have five petals.

Additional information:

Scientific classification

• Kingdom: Plantae
• Clade: Tracheophytes
• Clade: Angiosperms
• Clade: Eudicots
• Clade: Rosids
• Order: Rosales
• Family: Rosaceae
• Genus: Fragaria
• Species: F. × ananassa

Last updated question 17-02-2026

Explanation

Flower is the reproductive structure.

It contains stamens and carpels.

Pollination occurs in flowers.

Fertilization leads to seed formation.

Angiosperms are flowering plants.

Explanation

• Epiphytes grow on other plants.
• They are not parasitic.
• They obtain nutrients from air and rain.
• Common in tropical forests.
• Orchids are common epiphytes.

Explanation

Woolly Mammoths thrived during the Pleistocene epoch of the Cenozoic and went extinct about 4,000 years ago.

The Cenozoic Era (66 million years ago – present) is known as the "Age of Mammals."

Dinosaurs went extinct at the end of the Mesozoic Era, not the Cenozoic.

Trilobites and ammonites went extinct before the Cenozoic.

Explanation

 Jurassic Period, approximately 201 to 145 million years ago

In this periode dinosaurs dominated terrestrial environments

The Mesozoic Era, known as the "Age of Reptiles," was dominated by dinosaurs 

Explanation

 Camouflage is the blending of animals into their environment. 

Examples include the leopard's spotted coat, the battledress of a modern soldier

Explanation

The region in a bacterial cell where the DNA is concentrated is called the nucleoid. 

Structure:

• It is an irregularly shaped region within the cytoplasm 
• Unlike eukaryotic cells, this region is not enclosed by a membrane.