Structural organisation in animals practice · Mixed difficulty

Ciliated epithelium is present in

In animals, gametes are derived from

Read the statements and give answer.

Statement I: Tendon is classified as dense regular connective tissue.

Statement II: Fibroblast cells are present between many parallel bundles of collagen fibres.

Lining of body cavities, ducts and tube are made up of

Choose the odd one w.r.t. location of compound epithelium.

Choose the incorrect statement about skeletal muscles
I. Tissues are closely attached to bones
II. A sheath of tough connective tissue encloses several bundles of muscles fibres
III. These are involuntary in their action
IV. These are present in the blood vessels

Which of the following statements are incorrect in reference to the blood vascular system of the earthworm?
I. Blood vascular system is of open type
II. Smaller blood vessels supply the gut, nerve cord and the body wall
III. Blood glands are present on 6th 7th and 8th segment
IV. Blood cells are phagocytotic in nature

Frog has different types of sense organs
I. Sensory papillae
II. Nasal epithelium
III. Taste buds
IV. Eyes
V. Tympanum with internal ears
Which of these are well organised structures?

Consider the following statements I. Cells are compactly packed in the epithelial tissues with little intercellular matrix II. The cells secretes fibres of structural protein in all the connective tissues expect blood III. Neuroglea is made up of more than one half the volume of neural tissue in our body IV. Muscles are made up of fibres Which of the above given is/are true?

Consider the following statements and choose the option that correctly fill the blanks (A) and (B).
Statement I : The intercellular material of cartilage is A and resists compression.
Statement II : Bones have a B ground substance rich in calcium salts and collagen fibres which give bone its strength.

For rapid conduction of impulses (or) depolarizations, heart muscles possess.

Which one of the following characteristics is common both in humans and adult frogs?

In earthworm, neurons are

The $5^{\text {th}}$ cranial nerve of frog is called:

Consider the following statements about the hind wings of cockroach
I. These are broad and thin
II. They are not used in flying
III. They are also known as mesothoracic wings
IV. They are transparent and delicate
Which of the statements given above is/are incorrect?

Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.

Which of the following type of tissue is being described by the given statements?
(i) They are named because of their special function of linking and supporting other tissues/organs of the body.
ii) They include cartilage, bone, adipose tissue and blood.
(iii) They provide strength, elasticity and flexibility to the tissue.
(iv) They also secrete modified polysaccharides, which accumulate between cells and fibres and act as matrix.

Lipofuscin granules are found in :

What is common to silkworm, filarial worm and tapeworm?

Read the following statement. Which amongst them are
correct?

I. The most abundant cells of areolar connective tissue
produce its matrix. <br.
II. All solid connective tissues are vascular except bone.

III. The bone present in the epiphysis of long bones in
mammals has matrix arranged in concentric layers called
lamellae.

IV. Sterocilia is structurally more similar to microvilli than
kinocilia.

Tissues are made up of with

Select the incorrect match.

Bidder’s canal is found in

Bone marrow of long bones are the sites of

Tendons helps in connecting

Which of the following sets is not completely related to the Exocrine glands secretion?

Which of the following is the character of dorsal blood vessel of the earthworm?

Assertion : Cartilage (protein matrix) and bone
(calcium matrix) are rigid connective tissue.

Reason : Blood is connective tissue in which
plasma is the matrix.

In the digestive system of cockroach gastric caecae is present at the junction of

Given below the functions of different parts of the alimentary canal of cockroach. Correlate these functions with their respective organs
I. Grinding of food particles
II. Secretion of digestive juices
III. Clearing of haemolymph
The correct set of organs is