Practice Corner MCQs

Simple cuboidal epithelium lines all the following structures except the

Identify the following simple epithelial tissues and select the correct option.

Lining of intestine of man is

Which of the following statements is/are false about columnar epithelium?
(i) It is made of tall and slender cells.
(ii) Free surface may have microvilli.
(iii) They are found in stomach and intestine and help in secretion and absorption.
(iv) Ciliated epithelium is mainly present in hollow structures like bronchioles and fallopian tubes.
(v) They have apical nuclei.

The type of epithelial cells which line the inner surface of fallopian tubes, bronchioles and small bronchi are known as

Pick the odd one in each series and select the correct option.
(i) Areolar tissue, blood, neuron, tendon
(ii) Salivary gland, gastric gland, tear gland, thyroid gland
(iii) Adrenal gland, sweat gland, milk gland, oil gland

Pseudostratified epithelium is found in

Read the following statements and select the correct option.

Statement 1: Urinary bladder is lined by transitional epithelium.

Statement 2: Transitional epithelium keeps the size of bladder constant at all time.

The cell junctions namely tight, adhering and gap junctions are found in

Which of the following statements about cell junctions are correct?
(i) All the cells of the epithelium are held together with little intercellular materials.
(ii) In almost all animal tissues specialised junctions provide both structural and functional link between their individual cells.
(iii) Tight junctions prevent substances from leaking across a tissue.
(iv) Adhering junctions provide cementing to keep neighbouring cells together.
(v) Gap junctions provide cytoplasmic channels between cells for passage of ions, small molecules and sometimes big molecules.

Blood brain barrier in adults have ____ junctions between cells.

Which animal tissue is endodermal in origin?

Which of the following statements is/are not correct regarding connective tissues?
(i) They are most abundant and widely distributed in the body of complex animals.
(ii) They connect and support other tissues.
(iii) They include diverse tissues such as bones, cartilage, tendons, adipose and other loose connective tissues.
(iv) They form the internal and external lining of many organs.
(v) In all connective tissues except blood, the cells secrete fibres of structural proteins like collagen and elastin.

Areolar connective tissue joins

Diagrammatic sketch of a certain type of connective tissue is given.
Identify the parts labelled as A, B and C and D select the correct option.

Which one of the following contains the largest quantity of extracellular material?

Consider the following statements (i)-(iii) and select the correct option stating which ones are true (T) and which ones are false (F).
(i) Non-keratinised stratified squamous epithelium covers moist surfaces like buccal cavity.
(ii) Fibroblasts store fat in adipose tissue.
(iii) Urinary bladder is lined by a stratified epithelium.

Bone is connected to muscles with the help of

Given below are four statements (i) – (iv) each with two blanks. Select the option which correctly fills up the blanks in any two of these statements.
(i) The columnar epithelium is composed of (1) and slender cells. Their (2) are located at the base.
(ii) Collagen fibres provide (3) and elastin fibres provide (4) and elasticity to the tissue.
(iii) Adipose tissue is a (5) type of connective tissue located mainly beneath (6).
(iv) Tendons attach (7) to bones and ligaments attach (8) to bones.

Cartilage is formed by

Read the following statements and select the correct ones.
(i) In simple cuboidal epithelium, nuclei are rounded and lie in the centre of the cells.
(ii) Non-keratinised epithelium is impermeable to water.
(iii) Yellow elastic fibrocartilage makes cartilage flexible.
(iv) Areolar tissue forms a shock absorbing cushion around the eye balls and kidneys.

Which of the following is a transparent tissue?

In the given diagram of a section of hyaline cartilage, the different parts have been indicated by alphabets. Choose the answer in which these alphabets correctly match with the parts they indicate.

Consider the following statements (i) – (iii), each with one or two blanks.
(i) Bones have a hard and non-pliable ground substance rich in ___(1) and ___(2) which give bone its strength.
(ii) Some of the columnar or cuboidal cells get specialised for secretion and are called ___(3) epithelium.
(iii) ____(4) junctions help to stop substances from leaking across a tissue.
Which one of the following options, gives the correct fill ups for the respective blanks from (1) to (4) in the statements?

Read the following statements and select the correct option.
Statement 1 : Bone and cartilage are rigid connective tissues.
Statement 2 : Blood is a connective tissue with fluid (plasma) matrix.

Consider the following statements (i) – (iii), each with two blanks.
(i) Pseudostratified epithelium lines the ___(1) tract while transitional epithelium lines the ___(2) tract.
(ii) Lacunae of bones house ___(3) while lacunae of cartilage contain ___(4).
(iii) In dense regular connective tissue, ___(5) fibres are present in rows between many ___(6) bundles of fibres.
Which one of the following options, gives the correct fill ups for the respective blank numbers from (1) to (6) in the statements?

Given figures (I and II) show two specialised connective tissues. Identify the figures I, II and the parts labelled as A and B.

Identify the figures A, B, C showing different types of muscle and select the correct option.

Match column I with column II and select the correct option from the codes given below.

\(
\begin{array}{|l|l|c|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \begin{array}{l}
\text { Pseudostratified } \\
\text { epithelium }
\end{array} & \text { (i) } & \text { Connective tissue } \\
\hline \text { B. } & \text { Matrix } & \text { (ii) } & \text { Absorption } \\
\hline \text { C. } & \text { Striated myofibril } & \text { (iii) } & \text { Trachea } \\
\hline \text { D. } & \text { Mesothelium } & \text { (iv) } & \text { Body cavity lining } \\
\hline \text { E. } & \text { Microvilli } & \text { (v) } & \text { Multinucleate } \\
\hline
\end{array}
\)

Which of the following is a wrongly matched pair?

Consider the following four statements (i) – (iv) and select the correct option stating which ones are true (T) and which ones are false (F).
(i) The epithelium of proximal convoluted tubule (PCT) of nephron in the kidney has microvilli.
(ii) Simple epithelium covers the dry surface of the skin, the moist surface of buccal cavity, pharynx, inner lining of ducts of salivary glands and of pancreatic ducts.
(iii) The wall of internal organs such as the blood vessels, stomach and intestine contains skeletal muscle.
(iv) Bone marrow in some bones is the site of production of blood cells.

Read the following four statements (i) – (iv) having certain mistakes in two of them.
(i) Adipose tissue is a type of dense connective tissue located beneath the skin.
(ii) Compound epithelium has extensive role in absorption and secretion.
(iii) Most of the cartilages in vertebrate embryos are replaced by bones in adults.
(iv) Smooth muscles are ‘involuntary’ as their functioning cannot be directly controlled.
Which of the above statements have mistakes?

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|l|l|l|l|}
\hline & {\text { Column I }} & & \text { Column II } \\
\hline \text { A. } & \begin{array}{l}
\text { Simple columnar } \\
\text { epithelium }
\end{array} & \text { (i) } & \text { Wall of heart } \\
\hline \text { B. } & \text { Cardiac muscle } & \text { (ii) } & \text { Bone joints } \\
\hline \text { C. } & \text { Adipose tissue } & \text { (iii) } & \begin{array}{l}
\text { Inner lining of stomach } \\
\text { and intestine }
\end{array} \\
\hline \text { D. } & \text { Hyaline cartilage } & \text { (iv) } & \begin{array}{l}
\text { Below the skin, in the } \\
\text { abdomen, buttocks, thighs } \\
\text { and breasts }
\end{array} \\
\hline
\end{array}
\)

The four figures (A, B, C and D) given below represent four different types of animal tissues. Which one of these is correctly identified in the given options along with its correct location and function?

Read the following statements and select the correct option.
Statement 1 : Cardiac muscle of the heart is striated and has intercalated discs between its fibres (cells).
Statement 2 : Intercalated discs provide quick, powerful and rhythmic contractions to the heart.

Which one of the following is correct pairing of a body part with the kind of muscle tissue present in it?

Cardiac muscle cells differ from striated muscle cells in having

Cardiac muscles are different from skeletal muscles as they are

Read the following statements and select the correct option.
(i) Blood cells secrete fibres of structural proteins called collagen and elastin.
(ii) Neuroglial cells protect and support the nephrons.
(iii) Osteocytes are present in spaces called lacunae.
(iv) Striated muscle fibres are bundled together in a parallel fashion.
(v) Biceps are involuntary and striated.

Which of the following cells do not form layer and remain structurally separate?

Nervous tissue is made up of neurons and neuroglial cells. Which of the following statements about these two cells is/are false?
(i) Neuroglia make up more than one-half the volume of neural tissue in our body.
(ii) Neuroglia protect and support neurons.
(iii) When a neuron is suitably stimulated, an electrical disturbance is generated which swiftly travels along its cytosol.
(iv) Arrival of the disturbance at the neuron’s endings triggers stimulation or inhibition of adjacent neurons or other cells.

Part of nerve cells which receives impulses is

The complexity in organ and organ systems displays certain discernable trend. This discernable trend is called

Which of the following statements is incorrect about the frog?
(i) Eyes are bulged out and covered by a nictitating membrane that protects them while in water.
(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.
(iii) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.
(iv) Feet have webbed digits that help in swimming.
(v) Frogs exhibit sexual dimorphism.

The figure given here shows diagrammatic representation of internal organs of frog. Identify A to E and select the correct option.

In a frog, if a hole is punched in the floor of its buccal cavity, then the frog will not die as

Read the following statements (P-T) and select the option that correctly fills (i) – (v).
P. The male frog has a special organ on the throat called (i).
Q. (ii) membrane is a part of ear and serves to receive sound waves.
R. Dermis of the frog contains sac-like (iii) glands.
S. Tongue of frog is (iv).
T. (v) respiration takes place in lungs on land.

Which of the following statements is correct about the respiration in frog?
(i) In frog, cutaneous, buccopharyngeal and pulmonary respiration are found.
(ii) A pair of elongated pink coloured hollow sac like lungs are found in thorax.
(iii) During aestivation and hibernation, gaseous exchange takes place through skin.

Fill up the blanks in the following paragraph by selecting the correct option.
The vascular system of frog is well-developed (i) type. The blood vascular system involves heart, blood vessels and blood. Heart has 3 chambers, two atria and one ventricle and is covered by a membrane called (ii). A triangular structure called (iii) joins the right atrium.

Identify the incorrect statement about frog.

The hindbrain in frog consists of

In frog, mesorchium is a thin fold of membrane extending between

Following are given four statements (i) – (iv) related to frog. Read the statements carefully and select the option that identifies two correct statements.
(i) The brain is divided into forebrain, midbrain and hindbrain.
(ii) Vasa efferentia enter the kidneys on their side and open into Bidder’s canal.
(iii) Ear acts as a hearing organ only.
(iv) RBCs are enucleated and contain red coloured pigment namely haemoglobin.

Cloaca is a small, median chamber that is used to pass

The figure given here is related with female reproductive system of frog. Identify the parts labelled as A to D.

Read the statements regarding frog. Which of the statements is/are correct and incorrect?
(i) The medulla oblongata passes out through foramen of Monro and continues into spinal cord.
(ii) Vasa efferentia are 10-12 in number that arise from testes.
(iii) Ovaries have no functional connection with kidneys.
(iv) Frogs are uricotelic.

Frog’s heart is

How many of the terms given in the table are applicable to all given tissues X, Y and Z?

Collagen fibre, Fibroblasts, Connective tissue, Tendon, Ligament, Vascular, Mesodermal in origin

Read the following statements regarding different types of animal tissues and select the incorrect ones.
(i) Each fasciculus (or bundle of muscle fibres) is surrounded by an epithelial tissue covering called perimysium.
(ii) Multi-unit smooth muscles are present in ciliary and iris muscles in the eyes and muscles of the walls of large blood vessels.
(iii) Columnar epithelium present in gastric glands, intestinal glands and pancreatic lobules, has a secretory role and is called as glandular epithelium.
(iv) Epithelial tissue arises only from the ectoderm of embryo and is usually supplied with blood vessels.

Consider the following statements regarding pseudostratified epithelium and select the correct option.
(i) It consists of long cells which extend upto free surface and short cells which do not reach outer free surface.
(ii) It does not have basement membrane.
(iii) It is multi layered.
(iv) It occurs in ducts of parotid salivary glands, parts of large bronchi, etc.

Match the following columns and select the correct option.

\(
\begin{array}{|l|l|l|l|}
\hline & \begin{array}{l}
\text { Column I (Type } \\
\text { of epithelium) }
\end{array} & & \begin{array}{l}
\text { Column II (Location } \\
\text { of epithelium) }
\end{array} \\
\hline \text { A. } & \begin{array}{l}
\text { Simple squamous } \\
\text { epithelium }
\end{array} & \text { (i) } & \text { PCT, DCT } \\
\hline \text { B. } & \begin{array}{l}
\text { Simple cuboidal } \\
\text { epithelium }
\end{array} & \text { (ii) } & \text { Air sacs oflungs } \\
\hline \text { C. } & \begin{array}{l}
\text { Simple ciliated } \\
\text { epithelium }
\end{array} & \text { (iii) } & \text { Stomach, intestine } \\
\hline \text { D. } & \begin{array}{l}
\text { Simple columnar } \\
\text { epithelium }
\end{array} & \text { (iv) } & \begin{array}{l}
\text { Bronchioles, fallopian } \\
\text { tubes }
\end{array} \\
\hline
\end{array}
\)

The given figure shows cell junctions between two adjacent epithelial cells. Which among the labelled cell junctions ( P to S) is mainly meant for exchange of molecules and ions between adjacent cells?