Structural Organisation in Animals and Plants

The root system that develops from parts of the plant other than the radicle is known as:

Which of the following is the correct term for the floral part that is the receptive surface for pollen grains?

In a pea flower, the largest petal that overlaps the two lateral petals is called the:

What is the name of the reduced leaf found at the base of the pedicel?

When the anthers are fused but the filaments remain free, as seen in the family Asteraceae (Sunflower), the condition is called:

In $Citrus$, the stamens are fused by their filaments into more than two bundles. This condition is known as:

The region of the root that is responsible for protecting the tender growing apex as it makes its way through the soil is the:

The fruit of Castor is a regma, which is a type of schizocarpic fruit. What happens to the regma at maturity?

How do thorns differ anatomically from prickles?

In a cymose inflorescence, the development of flowers is typically described as being:

The cells of which tissue are generally isodiametric and have thin walls made of cellulose?

What is the collective term for all tissues exterior to the vascular cambium, including secondary phloem and periderm?

Which of these is absent in the phloem of most monocots?

The activity of the vascular cambium is more pronounced on which side?

The cork (phellem) is impervious to water mainly because of the deposition of ______ in its cell wall.

In which of the following regions is the secondary growth generally NOT observed due to the absence of a vascular cambium?

Companion cells are closely associated with sieve tube elements. They are connected by pit fields present between their common longitudinal walls. Their main function is to:

Which of the following is true for 'sapwood'?

In a vascular bundle, if 'xylem' and 'phloem' are arranged alternately on different radii, the bundle is described as:

The development of 'periderm' involves the activity of which lateral meristem?

Which tissue type has the greatest ability to regenerate?

The gaps between the myelin sheath segments on an axon are called:

Intercalated discs are found specifically in which tissue?

Which type of epithelium lines the inner surface of the urinary bladder and can stretch?

Which of the following is true for skeletal muscle fibers?

The sheath of connective tissue surrounding a whole muscle is known as the:

A neuron with one axon and several dendrites is classified as:

Which of the following specialized connective tissues serves as the site for 'Haemopoiesis' (blood cell formation)?

In nerve tissue, 'Nissl bodies' are observed in the cytoplasm of the cell body (soma). What do these bodies represent at the ultrastructural level?

Which type of epithelium is found lining the follicles of the thyroid gland and the tubules of the kidney, specialized for secretion and absorption?

In the exoskeleton of a cockroach, the lateral (side) plates are known as:

From which segment of the thorax do the transparent, membranous hindwings arise?

From which segment of the thorax do the tegmina (forewings) arise?

Fertilized eggs of a cockroach are encased in a capsule-like structure called a/an:

Which of the following describes the nature of the cockroach's hindwings?

The dorsal sclerite of the cockroach's body segment is known as the:

The vision of a cockroach is sensitive but has low resolution. This type of vision is known as:

Which of the following describes the correct orientation of the cockroach's body axes?

In the cockroach, the 'Uricose glands' are found in which individuals and serve what purpose?

The 'Stipes' is a part of which mouth appendage in the cockroach?