Explanation

During systole, the right ventricle pumps blood into the pulmonary arteries (to the lungs).

The left ventricle pumps blood into the aorta (to the rest of the body).

Explanation

Meninges are the three protective membranes (dura mater, arachnoid mater, and pia mater) that surround the brain and spinal cord.

They help protect the central nervous system and contain cerebrospinal fluid (CSF).

Explanation

The larynx is commonly known as the voice box because it houses the vocal cords.

It is responsible for producing sound.

It is located in the throat.

Explanation

Vitamin B is found in:

• Vegetables (like leafy greens, bell peppers, and mushrooms)
• Whole wheat grains (like brown rice, quinoa, and whole-wheat bread)
• Fresh meat (like beef, chicken, and fish)

Vitamin B is a complex of several B vitamins, including:

• B1 (Thiamin)
• B2 (Riboflavin)
• B3 (Niacin)
• B5 (Pantothenic acid)
• B6 (Pyridoxine)
• B7 (Biotin)
• B9 (Folic acid)
• B12 (Cobalamin)

Explanation

Bronchial respiration refers to respiration through gills, mainly seen in fishes.

Gills extract dissolved oxygen from water and expel carbon dioxide.

Explanation

Gastric juice is composed of approximately 90% water, which helps dissolve food and enzymes.

The remaining 10% includes hydrochloric acid, enzymes like pepsin, and mucus.

Explanation

Kala azar (also known as visceral leishmaniasis) is caused by the protozoan parasite Leishmania donovani.

It is transmitted to humans by the bite of infected female sandflies.

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.