Solving the Structural Organisation in Animals Multiple Choice Questions of Class 11 Biology Chapter 7 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Structural Organisation in Animals Class 11 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 7 Biology Class 11 and cross-check your answers during preparation.

I. Select the correct answers from the following:

Question 1.
Ligaments joins
(a) Muscle to Muscle
(b) Bone to bone
(c) Skin to muscles
(d) Nerves to muscles

Answer

Answer: (b) Bone to bone

---

Question 2.
Bone forming cells are
(a) Chondroclasts
(b) Osteoblasts
(c) Chondroblasts
(d) Osteoclasts

Answer

Answer: (b) Osteoblasts

---

Question 3.
Adjacent epithelial cells are held together by
(a) Oxysomes
(b) Ribosomes
(c) Desmonemes
(d) Desmosomes

Answer

Answer: (d) Desmosomes

---

Question 4.
Afferent nerve fibres carries impulses from
(a) Receptor to central nervous system
(b) Central nervous system to muscles
(c) Effector to central nervous system
(d) Central nervous system to receptors.

Answer

Answer: (a) Receptor to central nervous system

---

Question 5.
Most human neurons are
(a) Unipolar
(b) Bipolar
(c) Multipolar
(d) Pseudounipolar

Answer

Answer: (c) Multipolar

---

Question 6.
Epithelial tissue with thin flat cells appearing like packed tiles occurs on
(a) Outer surface of ovary
(b) Inner lining of cheek
(c) Inner lining of fallopian tubes
(d) Inner lining of stomach

Answer

Answer: (b) Inner lining of cheek

---

Question 7.
Achondroplasia is a disease related with the defect in the formation of
(a) Mucosa
(b) Bone
(c) Cartilage
(d) Membrane

Answer

Answer: (c) Cartilage

---

Question 8.
Cartilage is formed by
(a) Chondriocytes
(b) Fibroblasts
(c) Osteoblasts
(d) Osteoclasts

Answer

Answer: (a) Chondriocytes

---

Question 9.
Tendons connect
(a) Nerve to muscle
(b) Bone to muscle
(c) Bone to bone
(d) Muscle to muscle

Answer

Answer: (b) Bone to muscle

---

Question 10.
The camel’s hump is composed of a tissue which provides water when oxidised. It is
(a) Adipose
(b) Skeletal
(c) Areolar
(d) Muscular

Answer

Answer: (a) Adipose

---

Question 11.
Maximum numbers of white blood corpuscles is that of
(a) Monocytes
(b) Neutrophils
(c) Eosinophils
(d) Basophils

Answer

Answer: (b) Neutrophils

---

Question 12.
Matrix of areoler tissue is secreted by
(a) Fibrocytes
(b) Mast cells
(c) Histiocytes
(d) None of these

Answer

Answer: (b) Mast ceils

---

Question 13.
Urinary bladder is iined with
(a) Simple epithelium
(b) Pseudostratified epithelium
(c) Stratified epithelium
(d) Transitional epithelium

Answer

Answer: (d) Transitional epithelium

---

Question 14.
Germinal epithelium of ovary is formed of
(a) Columnar epithelium
(b) Cuboidal epithelium
(c) Stratified epithelium
(d) Squamous epithelium

Answer

Answer: (b) Cubodial epithelium

---

Question 15.
Basement membrane is made up of
(a) Endodermal cells only
(b) Epidermal cells only
(c) No cells at all, but is product of epithelial cells
(d) Both epidermal and endodermal cells.

Answer

Answer: (c) No cells at all, but is product of epithelial cells

---

Question 16.
Protein present in the matrix of cartilage is known as
(a) Actin
(b) Chondrin
(c) Casein
(d) Ossein

Answer

Answer: (b) Chondrin

---

Question 17.
Nissl’s granules occur in
(a) Epithelial cells
(b) Nerve cells
(c) Cartilage cells
(d) Muscle fibres

Answer

Answer: (c) Cartilage cells

---

Question 18.
Outer covering of cartilage is known as
(a) Peritonium
(b) Endosteum
(c) Periosteum
(d) Perichondrium

Answer

Answer: (d) Perichondrium

---

II. Fill in the blanks

Question 1.
The body of a simple organism like ………….. is made of different types of cells and the number of cells in each type can be in ………….

Answer

Answer: hydra, thousands

---

Question 2.
All complex animals consist of only four basic types of tissues. These tissues are organised in specific proportion and pattern to form an organ like ………, ……….., ……….. and ………..

Answer

Answer: stomach, lung, heart, kidney

---

Question 3.
The tissues are different and are broadly classified into four types as (i) ………… (ii) ………… (iii) ………… and (iv) ………….

Answer

Answer: Epithelial, Connective, Muscular, Neural

---

Question 4.
There are two types of epithelial tissues namely …………….. and ……………

Answer

Answer: simple epithelium, compound epithelium

---

Question 5.
Simple epithelium is further divided into three types. These are (1) …………… (2) …………. (3) …………….

Answer

Answer: Squamous, Cuboidal, Columnar

---

Question 6.
Some of the columnar or cuboidal cells get specialised for recretion and are called ………….

Answer

Answer: glandular epithelium

---

Question 7.
………….. help to stop substance from leaking across a tissue.

Answer

Answer: Tight junctions

---

Question 8.
…………… perform cementing to keep neighbouring cell together.

Answer

Answer: Adhering junctions

---

Question 9.
…………… facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small molecules and sometimes’ big molecules.

Answer

Answer: Crap junctions

---

Question 10.
They range from soft connective tissues to specialised types, which include …………, ……….., ………… and ………….

Answer

Answer: cartilage, bone, adipose, blood

---

Question 11.
…………… is a contractile tissue present only in the heart.

Answer

Answer: Cardiac muscle tissue

---

Question 12.
The common Indian earthworms are ………….. and ……………

Answer

Answer: Pheretima, Lumbricus

---

Question 13.
The body is divisible into three prominent regions …………, …………. and …………..

Answer

Answer: preclitellar, clitellar, post clitellar segments

---

Question 14.
The body of the cockroach is segmented and divisible into three distinct regions ………., ………….. and …………..

Answer

Answer: head, thorax, abdomen

---

Question 15.
The body cavity of frogs accommodate different organ system such as …………., …………., ………., …………., ………… and reproductive systems with well developed structures and functions.

Answer

Answer: digestive, circulatory, respiratory, nervous, excretory

---

III. Mark the statements True (T) or False (F)

Question 1.
In multicellular animals, a group of similar cells along with inter-cellular substance perform a specific function. Such an organisation is called tissue.

Answer

Answer: True

---

Question 2.
The tissues are different aid are broadly classified into three types as (i) Neural (ii) Muscular (iii) Connective

Answer

Answer: False

---

Question 3.
On the basis of structural modification of the cells, simple epithelium is further divided into two types. There are 1. Squamous, 2. Columnar

Answer

Answer: False

---

Question 4.
Some of the columnar or cuboidal cells get specialised for secretion and are called ciliated epithelium

Answer

Answer: False

---

Question 5.
Lome connective tissue has cells and fibres loosely arranged in a semi-fluid ground substance, for example, adipose tissue present between the skin.

Answer

Answer: False

---

Question 6.
The intercellular material of cartilage is solid and pliable and resists compression.

Answer

Answer: True

---

Question 7.
Bones have a hard and non-pliable ground substance rich in calcium salts and collagen fibres which give bone its strength.

Answer

Answer: True

---

Question 8.
Blood is a fluid connective tissue containing plasma, red blood cells, white blood cells and platelets.

Answer

Answer: True

---

Question 9.
The smooth muscle is a contractile tissue present only in the heart.

Answer

Answer: False

---

Question 10.
Cardiac muscle tissue taper at both ends (fusiform) and do not show striations.

Answer

Answer: False

---

Question 11.
Neuroglia make up more than one-half the volume of neural tissue in our body.

Answer

Answer: True

---

Question 12.
Each organ in our body is made of one or more type of tissues. For example, our heart consists of all the four types of tissues, Le. epithelial, connective, muscular and neural.

Answer

Answer: True

---

Question 13.
Earthworms have small cylindrical body. The body is divided into more than ten short segments which are similar.

Answer

Answer: False

---

Question 14.
Thorax consists two parts – mesothorax and metathorax.

Answer

Answer: False

---

Question 15.
Frog’s respire on land and in the water by two different methods.

Answer

Answer: True

---

IV. Match the column I with column II.

Column I	Column II
(a) Frog has different types of sense organs	1. mesorchium
(b) Male frog reproductive organs	2. each containing 14-16 eggs.
(c) The frog excretes urea and thus is	3. longitudinal conpectives on the ventral side.
(d) The prominent endocrine glands found in frog are	4. structures called anal cerci.
(e) Body of a frog is divisible into	5. a vreotelic animal
(f) On an average, females produce 9-10 oothecae	6. foregut, midgut and hind gut.
(g) The female reproductive system consists of two large ovaries	7. namely organs of touch (sensory papillae), taste (taste buds), smell (nosal epithe Hum), vision (eyes) and hear ing (tym panum with internal ears).
(h) The nervous system of cockroach consists of a series of fused, segmentally arranged ganglia joined by paired	8. head and trunk
(i) Sperms are transferred through	9. lying laterally in the 2nd- 6th abdominal segments.
(j) Ootheca is a dark raddish to	10. Consists of 10 segments.
(k) In both sexes, the 10th segment a pair of jointed filamentous.	11. pituitary, thyroid, parathy roid, thymus, pineal body, pan -creatic islets, adrenals and gonads.
(l) The alimentary canal present in the body cavity is divided into three regions.	12. spermatophores.
(m) The abdomen in both males and females	13. (bisexual), i.e. testes and ovaries are present in the some individual.
(n) The mouth parts consisting of a labrum (upper lip), a pair of mandibles	14. blackish brown capsule, about 3/8″ (8mm) long.
(o) Earthworm is hermaphrodite	15. a pair of maxillae and a labium (lower lip)

Answer

Answer:

Column I	Column II
(a) Frog has different types of sense organs	7. namely organs of touch (sensory papillae), taste (taste buds), smell (nosal epithe Hum), vision (eyes) and hear ing (tym panum with internal ears).
(b) Male frog reproductive organs	1. mesorchium
(c) The frog excretes urea and thus is	5. a vreotelic animal
(d) The prominent endocrine glands found in frog are	11. pituitary, thyroid, parathy roid, thymus, pineal body, pan -creatic islets, adrenals and gonads.
(e) Body of a frog is divisible into	8. head and trunk
(f) On an average, females produce 9-10 oothecae	2. each containing 14-16 eggs.
(g) The female reproductive system consists of two large ovaries	9. lying laterally in the 2nd- 6th abdominal segments.
(h) The nervous system of cockroach consists of a series of fused, segmentally arranged ganglia joined by paired	3. longitudinal conpectives on the ventral side.
(i) Sperms are transferred through	12. spermatophores.
(j) Ootheca is a dark raddish to	14. blackish brown capsule, about 3/8″ (8mm) long.
(k) In both sexes, the 10th segment a pair of jointed filamentous.	4. structures called anal cerci.
(l) The alimentary canal present in the body cavity is divided into three regions.	6. foregut, midgut and hind gut.
(m) The abdomen in both males and females	10. Consists of 10 segments.
(n) The mouth parts consisting of a labrum (upper lip), a pair of mandibles	15. a pair of maxillae and a labium (lower lip)
(o) Earthworm is hermaphrodite	13. (bisexual), i.e. testes and ovaries are present in the some individual.

---