Home
Current Affairs January 2024

What is the correct answer?

4

What are the three basic components of connective tissues?

A. Ground substance, cells and basement membrane

B. Cartilage, intercellular matrix and serum

C. Cells, protein fibers and ground substance

D. Collagen, elastin and reticular fibers

Correct Answer :

C. Cells, protein fibers and ground substance


Connective tissue fills the spaces between organs and tissues, and provides structural and metabolic support for other tissues and organs. The three basic components of connective tissue are cells, protein fibres and ground matrix.

Related Questions

What is the correct answer?

4

Identify the figure with its correct function Fig :. Adipose connective tissue

A. Areolar connective tissue Serves as a support framework for epithelium.

B. Adipose tissue Store fats and act as heat insulators.

C. Dense regular tissue Provide flexibility.

D. Dense irregular tissue Provide strength and elasticity.

What is the correct answer?

4

Which of the following type of tissue is being described by the given statements ?
  1. They are named because of their special function of linking and supporting other tissues/organs of the body.
  2. They include cartilage, bone, adipose and blood.
  3. They provide strength, elasticity and flexibility to the tissue.
  4. 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

What is the correct answer?

4

Lack of blood supply and presence of the noncellular basement membrane are the characteristics of the

A. muscular tissue

B. fluid connective tissue

C. epithelial tissue

D. nervous tissue

What is the correct answer?

4

In cockroach head can move in all directions due to

A. absence of neck.

B. fusion of all 6 segments of head.

C. flexible neck.

D. head is small and light weight.

What is the correct answer?

4

A student was given a sample of two tissues. He observes the tissues under the microscope and draws their figures (1 and 2) as shown below.

Identify the tissues (1 and 2).

A. 1: Columnar cells bearing cilia; 2: Unicellular glandular epithelium

B. 1: Cuboidal cells bearing cilia; 2: Multicellular glandular epithelium

C. 1: Compound cells bearing cilia; 2: Unicellular glandular epithelium

D. 1: Columnar cells bearing cilia; 2: Multicellular glandular epithelium

What is the correct answer?

4

In the given diagram of areolar connective tissue, the different cells and parts have been marked by alphabets (A, B, C & D). Choose the answer in which these alphabets correctly match with the parts and cells they indicate.

A. A-Adipocyte, B-Collagen fibres, C-Microfilament, D-Mast cells

B. A-Macrophage, B-Collagen fibres, C-Microfilament, D-Mast cells

C. A-Macrophage, B-Collagen fibres, C-Microtubule, D-RBC

D. A-Macrophage, B-Fibroblast, C-Collagen fibres, D-Mast cells

What is the correct answer?

4

Identify figures-I and II.

Figure I Figure II

A. Dense regular Dense irregular connective tissue, connective tissue

B. Loose irregular Loose regular connective tissue, connective tissue

C. Adipose tissue, Specialized connective tissue

D. Connective tissue Areolar tissue proper

What is the correct answer?

4

The only type of cell seen in a tendon is

A. muscle fibres

B. reticular cells

C. collagenous cells

D. fibroblasts

What is the correct answer?

4

Refer the given figure of female reproductive system of cockroach and identify the correct labels (marked as 1, 2, 3 and 4) which are collectively called genital pouch.

A. 1 & 2

B. 1 & 3

C. 2 & 4

D. 3 & 4

What is the correct answer?

4

The diagram given below represents the reproductive organ of male cockroach. Choose the correct labelling of the part of marked as A, B, C and D.

A. A 8th sternum, B - Anal cercus, C - 10th tergum, D - Anal style

B. A - 10th tergum, B - Anal cercus, C - Anal style, D - 8th sternum

C. A - Anal style, B - Anal cercus, C - 10th tergum, D- 8th sternum

D. A - Anal cercus, B - 8th sternum, C - 10th tergum, D - Anal style.

What is the correct answer?

4

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

What is the correct answer?

4

Which of the following types of connective tissue is mismatched with its matrix ?

A. Areolar Loosely packed matrix of protein fibres

B. Bone Mineralized matrix

C. Cartilage Highly vascular matrix

D. Blood Liquid matrix

What is the correct answer?

4

Intercalated discs are the communication junctions between the cells of

A. cardiac muscles

B. striped muscles

C. adipose tissue

D. nerve and striated muscles

What is the correct answer?

4

Statement 1: Typhlosole increases the effective area of absorption in the intestine.
Statement 2: Typhlosole, present in the intestine, is the characteristic feature of cockroach.

A. Statement 1 and 2 are true and statement 2 is the correct explanation of statement 1.

B. Statement 1 and 2 are true and statement 2 is not the correct explanation of statement 1.

C. Both statements 1 and 2 are false.

D. Statement 1 is true and statement 2 is false.

What is the correct answer?

4

Which of the follwing statement(s) is/are correct ?
  1. Cockroaches are brown or black bodied animals that are included in class insecta of phylum arthropoda.
  2. Males bear a pair of short, thread like anal styles which are absent in females.
  3. Heart of cockroach consists of elongated muscular tube lying along mid dorsal line of thorax and abdomen.
  4. The nymph grows by moulting about 13 times to reach the adult form.

A. Only (i)

B. Both (ii) and (iii)

C. Both (i) and (ii)

D. All of the above

What is the correct answer?

4

The chondrocytes of connective tissue are

A. fibre secreting cells

B. bone forming cells

C. cartilage cells

D. bone eating cells

What is the correct answer?

4

Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following.
Which of the cells are least likely to be replaced by new cells?

A. Liver cells

B. Neurons

C. Malpighian layer of the skin

D. Osteocytes

What is the correct answer?

4

The intercellular material of the given figure is solid and resists compression. Identify the figure and the label marked as A & B.

A. Fig - Cartilage, A - Collagen, B - Collagen

B. Fig - Cartilage, A - Microtubule, B - Collagen fibres

C. Fig - Bone, A - Chondrocyte, B - Chondroclast

D. Fig - Bone, A - Chondroclast, B - Osteoblast

What is the correct answer?

4

A student was given a specimen to identify on the basis of the characteristics given below.
  1. They are metamerically segmented.
  2. Presence of closed circulatory system.
  3. They have circular and longitudinal muscles for locomotion.

Identify the specimen.

A. Frog

B. Pheretima

C. Cockroach

D. Rabbit

What is the correct answer?

4

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

What is the correct answer?

4

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

What is the correct answer?

4

The secretions of endocrine glands are released directly

A. into the skin surface

B. into the blood stream

C. into a gland duct

D. into the brain tissue

What is the correct answer?

4

Match the epithetial tissue given in column-I with its location given in column-II and choose the correct option.
Column IColumn II
(Epithelial tissue)(Location)
A. CuboidalI. Epidermis of skin
B. CiliatedII. Inner lining of blood vessels
C. ColumnarIII. Inner surface of gall bladder
D. SquamousIV. Inner lining of fallopian tube
E. KeratinizedV. Lining of pancreatic duct squamous

A. A V; B IV; C II; D III; E I

B. A III; B IV; C V; D II; E I

C. A V; B IV; C III; D II; E I

D. A III; B IV; C V; D I; E II

What is the correct answer?

4

The given figure shows the digestive system of cockroach with few structures marked as A, B, C and D. Identify structures A to D.

A. A-Gizzard, B-Crop, C-Hepatic caecae, D-Malpighian tubules

B. A-Crop, B-Gizzard, C-Hepatic caecae, D-Malpighian tubules

C. A- Crop, B-Gizzard, C-Malpighian tubules, D-Hepatic caecae

D. A- Gizzard, B-Crop, C-Malpighian tubules, D-Hepatic caecae

What is the correct answer?

4

Which of the following statement(s) is/are correct regarding cockroaches ?
  1. The body of the cockroach is segmented and divisible into three distinct regions head, thorax and abdomen.
  2. Blood vascular system is of closed type.
  3. They are monoecious and both sexes have well developed reproductive organs.
  4. 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

What is the correct answer?

4

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.

What is the correct answer?

4

Match column-I with column-II and choose the correct option.
Column-IColumn-II
A. PeriplanetaI. Hepatic caecae americana
B. A ring of 6-8 blindII. Phylum arthropoda tubules
C. Vascular systemIII. Spiracles
D. 10 pairs of smallIV. Malpighian tubules holes
E. ExcretionV. Open type

A. A I; B II; C III; D IV; E V

B. A II; B I; C V; D III; E IV

C. A II; B I; C III; D V; E IV

D. A III; B IV; C II; D V; E I

What is the correct answer?

4

Gizzard (proventriculus) in cockroach lies between

A. oesophagus and stomach

B. crop and mesenteron

C. mesenteron and ileum

D. oesophagus and crop

What is the correct answer?

4

Tendons and ligaments are the examples of

A. areolar connective tissue

B. adipose tissue

C. dense regular connective tissue

D. loose connective tissue

What is the correct answer?

4

Match the types of connective tissue given in column-I with their examples given column-II and choose the correct option.
Column-IColumn-II
(Types of connective)(Examples)
A. Loose connectiveI. Tendons and ligaments tissue
B. Dense regularII. Skin tissue
C. Dense irregularIII. Cartilage, bones, blood tissue
D. SpecializedIV. Fibroblasts, macrophages connective tissue and mast cells

A. A I; B IV; C II; D III

B. A I; B IV; C III; D II

C. A IV; B I; C II; D III

D. A IV; B II; C I; D III