MCQ Questions Chapter 7 Structural Organisation in Animals Class 11 Biology

MCQ Class 11

Please refer to MCQ Questions Chapter 7 Structural Organisation in Animals Class 11 Biology with answers provided below. These multiple-choice questions have been developed based on the latest NCERT book for class 11 Biology issued for the current academic year. We have provided MCQ Questions for Class 11 Biology for all chapters on our website. Students should learn the objective based questions for Chapter 7 Structural Organisation in Animals in Class 11 Biology provided below to get more marks in exams.

Chapter 7 Structural Organisation in Animals MCQ Questions

Please refer to the following Chapter 7 Structural Organisation in Animals MCQ Questions Class 11 Biology with solutions for all important topics in the chapter.

MCQ Questions Answers for Chapter 7 Structural Organisation in Animals Class 11 Biology

Question- The mouth parts of cockroach are
(a) cutting and biting type.
(b) piercing and sucking type.
(c) sucking and rasping type.
(d) sucking and siphoning type.

Answer

A

Question- About how many times does the nymph of the Periplaneta americana undergo moulting before becoming an adult?
(a) 4
(b) 2
(c) 17
(d) 13

Answer

D

Question- Compound squamous epithelium is found in
(a) stomach
(b) intestine
(c) trachea
(d) pharynx

Answer

D

Question- Phallic organs in cockroach are related to
(a) male excretory system.
(b) male reproductive system.
(c) female excretory system.
(d) female reproductive system.

Answer

B

Question- Which of the following statement(s) is/are correct about nervous system of cockroach ?
(i) It consists of a series of fused segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side.
(ii) There are six ganglia lie in the thorax, and three in the abdomen.
(iii) The sense organs are antennae, eyes, maxillary pulps, labial pulps and anal cerci etc.
(iv) Each eye consists of about 5000 hexagonal ommatidia.
(a) Both (i) and (iii)
(b) Only (ii)
(c) Both (i) and (iv)
(d) All of these

Answer

C

Question-Which of the following type of cell junction is not found in animal tissues ?
(a) Adhering junction
(b) Tight junction
(c) Gap junction
(d) Plasmodesmata

Answer

D

Question- Read the following statements and answer the question.
(i) It is made of a single thin layer of flattened cells with irregular boundaries.
(ii) They are found in the walls of blood vessels and air sacs of lungs.
(iii) They are involved in functions like forming a diffusion boundary.
Which of the following characteristics of tissue is being described by the above statements ?
(a) Squamous epithelium
(b) Columnar epithelium
(c) Ciliated epithelium
(d) Compound epithelium

Answer

A

Question- The chondrocytes of connective tissue are
(a) fibre secreting cells
(b) bone forming cells
(c) cartilage cells
(d) bone eating cells

Answer

C

Question- Which of the following statement is correct regarding Female reproductive system of earthworm ?
(a) It consists of two large ovaries, lying laterally in the 6th – 7th abdominal segments.
(b) Each ovary is formed of a group of five ovarian tubules or ovarioles, containing a chain of developing ova.
(c) A pair of spermatheca is present in the 5th segment which opens into the genital chamber.
(d) None of the above

Answer

D

Question- The shape of a person’s ear is mainly due to
(a) dense regular connective tissue
(b) dense irregular connective tissue
(c) elastic cartilage
(d) fibrocartilage

Answer

C

Question- Male cockroach can be identified from the female by the presence of
(a) long antennae
(b) wingless body
(c) elongated abdomen
(d) anal styles

Answer

D

Question- In all connective tissues, except which of the following, the cells secrete fibres of collagen or elastin protein ?
(a) Bone
(b) Cartilage
(c) Areolar connective tissue
(d) Fluid connective tissue

Answer

D

Question- Three essential components of most neurons are
(a) simple epithelium, extracellular matrix and nerves.
(b) axon, dendrites and cell body.
(c) nerve cells, synapse and neuroglia.
(d) mylein sheeth, node of Ranvier and Schwann cells.

Answer

B

Question-Epithelial tissue is distinguished from connective tissue,muscular, or nervous tissue by its
(a) large extracellular matrix.
(b) contractibility.
(c) ability to carry action potentials.
(d) basement membrane.

Answer

D

Question- The fibres of which of the following muscles are fusiform and do not show striations
(a) Skeletal muscles
(b) Cardiac muscles
(c) Both (a) and (b)
(d) Smooth muscles

Answer

D

Question- Intercalated discs are the communication junctions between the cells of
(a) cardiac muscles
(b) striped muscles
(c) adipose tissue
(d) nerve and striated muscles

Answer

A

Question- Read the following statements and answer the question.
(i) They have a hard and non-pliable ground substance rich in calcium salts and collagen fibres.
(ii) They support and protect softer tissues and organs.
(iii) Osteocytes are present in the spaces called lacunae.
(iv) They also interact with skeletal muscles attached to them to bring about movements.
Which of the following type of tissue is being described by above statements ?
(a) Cartilage
(b) Bone
(c) Blood
(d) Neurons

Answer

B

Question- Neuroglia are
(a) excitable cells of neural tissue.
(b) supporting and non-excitable cells of neural tissue.
(c) two to three times in volume of neural tissue.
(d) protective and excitable cells of neural tissue.

Answer

B

Question- Which one of the following pairs of structures distinguishe a nerve cell from other types of cell ?
(a) Vacuoles and Fibres
(b) Flagellum and Medullary sheath
(c) Nucleus and Mitochondria
(d) Cell body and Dendrites

Answer

D

Question- Spermathecae in Pheretima is located in the segments:
(a) 14 to 18
(b) 10 to 13
(c) 6 to 10
(d) 6 to 9

Answer

D

Question- Which of the following statement (s) is/are correct ?
(i) Loose connective tissue contains fibroblasts,macrophages and mast cells.
(ii) Adipose tissue is a type of dense connective tissue located mainly beneath the skin.
(iii) Tendons and ligaments are examples of dense irregular connective tissue.
(iv) Cartilage, bones and blood are various types of specialized connective tissue.
(a) Only (i)
(b) Both (ii) and (iv)
(c) Both (i) and (iii)
(d) (i), (iii) and (iv)

Answer

D

Question- General function of gland is to
(a) protect the body.
(b) control the function of epithelial tissues.
(c) produce and secrete specialized compounds to control and maintain different body functions.
(d) help to maintain blood pressure and nerve actions.

Answer

C

Question- Cockroaches are brown or black bodied animals that are included in class _______ of phylum _______.
(a) reptilia; annelida
(b) insecta; arthropoda
(c) insecta; annelida
(d) reptilia; arthropoda

Answer

B

Question- The sensory papillae in frogs are associated with
(a) smell
(b) hearing
(c) respiration
(d) touch

Answer

D

Question- Which of the following statement(s) is/are correct regarding excretory system of cockroach ?
(i) Excretion is performed by malphigian tubules.
(ii) They absorb nitrogenous waste products and convert them into uric acid which is excreted out through hindgut. Hence, this insect called ammonetelic.
(iii) In addition, fat body, nephrocytes and uricose glands also help in excretion.
(a) Only (i)
(b) Both (ii) and (iii)
(c) Both (i) and (iii)
(d) All of these

Answer

C

Question- In cockroach, the testes are present in
(a) 3, 4, 5 abdominal segments
(b) 4, 5, 6 abdominal segments
(c) 5, 6, 7 abdominal segments
(d) 6, 7, 8 abdominal segments

Answer

B

Question- Which of the following type of muscle tissue is being described on the basis of given statements ?
(i) These muscle fibres taper at both ends and do not show striations.
(ii) The wall of internal organs such as the blood vessels, stomach and intestine contain this type of muscle tissue.
(iii) They are ‘involuntary’ as their function cannot be directly controlled.
(a) Skeletal muscle
(b) Smooth muscle
(c) Cardiac muscle
(d) All of these

Answer

B

Question- Gizzard (proventriculus) in cockroach lies between
(a) oesophagus and stomach
(b) crop and mesenteron
(c) mesenteron and ileum
(d) oesophagus and crop

Answer

B

Question- Which of the following statement(s) is/are correct regarding cockroaches ?
(i) The body of the cockroach is segmented and divisible into three distinct regions – head, thorax and abdomen.
(ii) Blood vascular system is of closed type.
(iii) They are monoecious and both sexes have well developed reproductive organs.
(iv) The development of P. americana is paurometabolus, meaning there is development through nymphal stage.
(a) Both (i) and (ii)
(b) Both (ii) and (iii)
(c) Both (i) and (iv)
(d) All of these

Answer

C

Question- Which one of the following is not a characteristic feature of frog?
(a) The skin is moist and slimy
(b) Each of the fore limbs and hind limbs end in five digits
(c) Hepatic portal and renal portal systems are present
(d) Skin, buccal cavity and lungs are the respiratory organs

Answer

B

Question- The supportive skeletal structures in the human external ears and in the nose tip are examples of
(a) ligament
(b) areolar tissue
(c) bone
(d) cartilage

Answer

D

Question- Which statement regarding anal cerci and anal style in cockroach is correct?
(a) Anal cerci are absent but anal styles are present in male.
(b) Anal cerci are absent and anal styles are present in female.
(c) Anal styles are absent and anal cerci are present in male.
(d) Anal styles are absent and anal cerci are present in female.

Answer

D

Question- Tendons and ligaments are the examples of
(a) areolar connective tissue
(b) adipose tissue
(c) dense regular connective tissue
(d) loose connective tissue

Answer

C

Question- Which of the following statement is incorrect regarding cuboidal epithelium ?
(a) It is an epithelial tissue.
(b) It is composed of a single layer of cube-like cells.
(c) They are found in the walls of blood vessels and air sacs of lungs.
(d) Secretion and absorption are the main functions of these tissue.

Answer

C

Question- Muscle tissue cells are contractile, which means they
(a) are responsible for the production and secretion of enzymes.
(b) are specialized in contraction and relaxation.
(c) help in the movement of involuntary organs only.
(d) all of the above

Answer

B

Question- Which of the following statement(s) is/are correct regarding compound epithelium ?
(a) It is made of more than one layer of cells and thus has a limited role in secretion and absorption.
(b) Their main function is to provide protection against chemical and mechanical stresses.
(c) They cover the dry surface of the skin, moist surface of buccal cavity, pharynx, inner lining of ducts of salivary glands and pancreatic ducts.
(d) All of the above

Answer

D

Question- The only type of cell seen in a tendon is
(a) muscle fibres
(b) reticular cells
(c) collagenous cells
(d) fibroblasts

Answer

D

Question- Which of the following statement(s) is/are correct about muscle tissue ?
(a) Each muscle is made of many long, cylindrical fibres arranged in parallel arrays.
(b) Muscle fibres contract (shorten) in response to stimulation, then relax (lengthen) and return to their uncontracted state in a coordinated fashion.
(c) Muscles play an active role in all movements of the body.
(d) All of the above

Answer

D

Question- Mast cells are associated with
(a) exocrine glands
(b) endocrine glands
(c) areolar connective tissue
(d) neural tissue

Answer

C

Question- Which of the following statement(s) regarding cell junctions is/are correct ?
(a) Tight junctions help to stop substances from leaking across a tissue.
(b) Adhering junctions perform cementing to keep neighbouring cells together.
(c) Gap junctions 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.
(d) All of the above

Answer

D

Question- Consider the following statements regarding cockroach and mark the correct option.
(i) Head is formed by the fusion of 6-segments.
(ii) Mouth parts are biting and chewing type.
(iii) Crop is the part of mid gut.
(a) Only (ii) is correct
(b) (ii) and (iii) are correct
(c) (i) and (ii) are correct
(d) Only (iii) is correct

Answer

C

Question- Select the correct statement regarding Periplaneta americana
(a) There are 16 very long malpighian tubules present at the junctions of midgut and hindgut.
(b) Grinding of food is carried out only by the mouth parts.
(c) Nervous system is located ventrally and consists of segmentally arranged ganglia joined by a pair of longitudinal connectives.
(d) Females bear a pair of short thread like anal styles.

Answer

D

Question- 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 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.
(a) Epithelial tissue
(b) Connective tissue
(c) Muscle tissue
(d) Neural tissue

Answer

B

Question- The ciliated columnar epithelial cells in humans occur in
(a) Eustachian tube and stomach lining
(b) bronchioles and fallopian tubes
(c) bile duct and oesophagus
(d) fallopian tubes and urethra

Answer

B

Question- In earthworms setae are present in all segments except
(a) first and the last segments
(b) first segment and the clitellum
(c) first segment
(d) clitellum and last segments

Answer

D

Question- Smooth muscles are______.
(a) voluntary, branched, uninucleate
(b) voluntary, multinucleate, cylindrical
(c) involuntary, cylindrical, multinucleate
(d) involuntary, spindle shaped, uninucleated, tapering

Answer

D

Question- Which of the following statement(s) is/are correct regarding respiratory system of cockroach ?
(i) It consists of a network of trachea, that open through 12 pairs of small holes called spiracles present on the lateral side of the body.
(ii) Thin branching tubes carry oxygen from the air to all the parts.
(iii) The opening of the spiracles is regulated by sphincters.
(iv) Exchange of gases take place at the tracheoles by diffusion.
(a) Only (i)
(b) (i), (ii) and (iii)
(c) (ii), (iii) and (iv)
(d) All of these

Answer

C

Question- Which of the following statement is/are correct regarding digestive system of cockroach ?
(i) Mouth opens into a short tubular pharynx, leading to a narrow tubular passage called oesophagus.
(ii) Gizzard helps in grinding the food particles.
(iii) A ring of 6-8 blind tubules called hepatic or gastric caecae is present at the junction of foregut and midgut, which secrete digestive juice.
(iv) At the junction of midgut and hindgut is present another ring of 100-150 yellow coloured thin filamentous malphigian tubules which help in removal of excretory products from haemolymph.
(a) Only (i)
(b) Both (ii) and (iii)
(c) Both (i) and (iv)
(d) All of these

Answer

D

Question- The kind of epithelium which forms the inner walls of blood vessels is
(a) cuboidal epithelium
(b) columnar epithelium
(c) ciliated columnar epithelium
(d) squamous epithelium

Answer

D

Question- A frog never drinks water but absorbs it through one of its respiratory organ. Identify the organ.
(a) Skin
(b) Lung
(c) Buccal cavity
(d) None of the above

Answer

A

Question- Which of the following statements is not correct regarding neural tissue ?
(a) It exerts the greatest control over the body’s responsiveness to changing conditions.
(b) Chondrocytes, the unit of neural system are excitable cells.
(c) Neuroglial cells protect and support neurons.
(d) When a neuron is suitably stimulated, an electrical disturbance is generated.

Answer

B

MCQ Questions Chapter 7 Structural Organisation in Animals Class 11 Biology

We hope you liked the above provided MCQ Questions Chapter 7 Structural Organisation in Animals Class 11 Biology with solutions. If you have any questions please ask us in the comments box below.