Explanation

Polymorphism refers to the occurrence of different forms or morphs among individuals of the same species.

These forms may vary in structure, function, or behavior (e.g., worker and queen ants).

Explanation

Hibiscus rosa-sinensis (China rose) is a flowering plant of the Malvaceae family.

This family is known for its characteristic funnel-shaped flowers and mucilaginous properties.

Explanation

Cremocarp is a dry schizocarpic fruit that splits into two one-seeded mericarps.

It is commonly found in plants of the Apiaceae (Umbelliferae) family, like fennel and coriander.

Explanation

Sori are clusters of sporangia found on the underside of fern leaves (sporophylls).

They are responsible for producing and releasing spores for reproduction.

Explanation

In Anthoceros (a hornwort), the sporophyte lacks a distinct seta (stalk).

Instead, the sporophyte consists of a foot, a capsule, and a central columella.

Explanation

Diatoms are microscopic algae and a major component of phytoplankton in aquatic ecosystems.

They play a key role in oxygen production and the marine food chain.

Explanation

Hydrolysis of one mole of ATP to ADP and inorganic phosphate releases approximately 7.3 Kcal of energy.

This energy is used to power various biological processes in cells.

Explanation

Nickel is a micronutrient essential for the activity of the enzyme urease, involved in nitrogen metabolism.

It helps in converting urea into usable forms of nitrogen for plants.

Explanation

The number of bones in a human skull is 22

The human skull is generally considered to consist of twenty-two bones

• eight cranial bones
• fourteen facial skeleton bones

**

while

300 bones are there in a newborn infant.

The human hand has 27 bones

Explanation

Oxygen is the most abundant bio-element in living organisms.

It mainly due to its presence in water and organic molecules.

It makes up about 65% of the human body by mass.