Find the incorrectly matched pair.
Unicellular glandular cells - Goblet cell
Saliva - Exocrine secretion
Fusiform fibres - Smooth muscle
Cartilage - Areolar tissue
Correct Answer :
D. Cartilage - Areolar tissue
Cartilage is a soft skeletal tissue (a specialized connective tissue) which forms the endoskeleton of the vertebrates. It is a vascular and nutrient are diffused through the matrix.
Related Questions
The blood of cockroach contains no respiratory pigment. It means that
cockroach does not respire.
respiration is anaerobic.
oxygen goes directly into tissues by diffusion.
oxygen goes directly into tissues by intracellular capillary system.
A student was given a sample of tissue. He observes and concludes the following characters.
- The cells are composed of a single layer of tall and slender cells.
- Their nuclei are located at the base.
- Free surface may have microvilli.
- It is found in the lining of stomach and intestine
- They help in secretion and absorption.
Based on the above features identify the epithelium.
Cuboidal epithelium
Columnar Epithelium
Squamous epithelium
Glandular epithelium
Which of the following statement (s) is/are correct ?
- Loose connective tissue contains fibroblasts, macrophages and mast cells.
- Adipose tissue is a type of dense connective tissue located mainly beneath the skin.
- Tendons and ligaments are examples of dense irregular connective tissue.
- Cartilage, bones and blood are various types of specialized connective tissue.
Only (i)
Both (ii) and (iv)
Both (i) and (iii)
(i), (iii) and (iv)
In cockroach head can move in all directions due to
absence of neck.
fusion of all 6 segments of head.
flexible neck.
head is small and light weight.
Statement 1 : Intercalated discs are important regions of cardiac muscle cells.
Statement 2 : Intercalated discs function as boosters for muscle contraction waves.
Statement-1 and statement-2 are true and statement-2 is a correct explanation for statement-1.
Statement-1 and statement-2 are true and ttatement-2 is not a correct explanation for statement-1
Statement-1 is true, and statement-2 is False
Both the statements are false.
Which of the following statement(s) is/are correct about nervous system of cockroach ?
- It consists of a series of fused segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side.
- There are six ganglia lie in the thorax, and three in the abdomen.
- The sense organs are antennae, eyes, maxillary pulps, labial pulps and anal cerci etc.
- Each eye consists of about 5000 hexagonal ommatidia.
Both (i) and (iii)
Only (ii)
Both (i) and (iv)
All of these
Epithelial tissue is distinguished from connective tissue, muscular, or nervous tissue by its
large extracellular matrix.
contractibility.
ability to carry action potentials.
basement membrane.
Cartilage tissues are likely to be slow in healing following an injury because
cartilage cells cannot reproduce.
they lack direct blood supplies.
the intercellular material is missing.
cartilage cells are surrounded by fluids.
Which of the following statement(s) is/are correct regarding excretory system of cockroach ?
- Excretion is performed by malphigian tubules.
- They absorb nitrogenous waste products and convert them into uric acid which is excreted out through hindgut. Hence, this insect called ammonetelic.
- In addition, fat body, nephrocytes and uricose glands also help in excretion.
Only (i)
Both (ii) and (iii)
Both (i) and (iii)
All of these
Read the following statements.
- It is a contractile tissue present only in the heart.
- Cell junctions fuse the plasma membranes of these cells and make them stick together.
- Communication juntions at some fusion points allow the cells to contract as a unit, i.e., when one cell receives a signal to contract, its neighbours are also stimulated to contract.
Which of the following type of tissue is being described by the above statements ?
Skeletal muscle
Cardiac muscle
Smooth muscle
Cartilage
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.
Statement 1 and 2 are true and statement 2 is the correct explanation of statement 1.
Statement 1 and 2 are true and statement 2 is not the correct explanation of statement 1.
Both statements 1 and 2 are false.
Statement 1 is true and statement 2 is false.
Which of the following type of muscle tissue is being described on the basis of given statements ?
- These muscle fibres taper at both ends and do not show striations.
- The wall of internal organs such as the blood vessels, stomach and intestine contain this type of muscle tissue.
- They are involuntary as their function cannot be directly controlled.
Skeletal muscle
Smooth muscle
Cardiac muscle
All of these
Match the types of connective tissue given in column-I with their examples given column-II and choose the correct option.
| Column-I | Column-II |
|---|---|
| (Types of connective) | (Examples) |
| A. Loose connective | I. Tendons and ligaments tissue |
| B. Dense regular | II. Skin tissue |
| C. Dense irregular | III. Cartilage, bones, blood tissue |
| D. Specialized | IV. Fibroblasts, macrophages connective tissue and mast cells |
A I; B IV; C II; D III
A I; B IV; C III; D II
A IV; B I; C II; D III
A IV; B II; C I; D III
Which of the following animal's sensory system does not has eyes but does possess light and touch sensitive organs (receptor cells) to distinguish the light intensities and to feel the vibrations in the ground?
Frog
Snake
Earthworm
Cockroach
Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?
Vacuoles and Fibres
Flagellum and Medullary sheath
Nucleus and Mitochondria
Cell body and Dendrites
Match the description given in column I with their examples given in column II and choose the correct option.
| Column I | Column II |
|---|---|
| (Description) | (Example) |
| 1. Aquatic respiratory | A. Skin organ |
| 2. Organ which acts | B. Ureter urogenital duct and opens into the cloaca |
| 3. A small median chamber | C. Cloaca that is used to pass faecal matter, urine and sperms to the exterior |
| 4. A triangular structure | D. Sinus venosus which joins the right atrium and receives blood through vena cava |
1 - A, 2 - B, 3 - C, 4 - D
1 - C, 2 - A, 3 - D, 4 - B
1 - B, 2 - A, 3 - C, 4 - D
1 - C, 2 - B, 3 - D, 4 - A
Which of the following is involved in the production of new blood cells ?
Adipose cell
Bone marrow
Liver
Matrix
The major functions of loose connective tissue include
occupying spaces between organs and supporting epithelia.
supporting and surrounding blood vessels and nerves
cushioning organs, storing lipids and facilitating diffusion.
All of the above
Lack of blood supply and presence of the noncellular basement membrane are the characteristics of the
muscular tissue
fluid connective tissue
epithelial tissue
nervous tissue
Choose the correct sequence of alimentary canal of Cockroach
Gizzard -> Crop ->?Malphigian tubules ->?Hepatic caeca ->?Rectum.
Gizzard -> Hepatic caeca -> Crop -> Rectum -> Malphigian tubules.
Crop -> Gizzard ->?Hepatic caeca ->?Malphigian tubules ->?Rectum.
Crop -> Hepatic caeca ->?Gizzard -> Rectum -> Malphigian tubules.
Male cockroach can be identified from the female by the presence of
long antennae
wingless body
elongated abdomen
anal styles
Three essential components of most neurons are
simple epithelium, extracellular matrix and nerves.
axon, dendrites and cell body.
nerve cells, synapse and neuroglia.
mylein sheeth, node of Ranvier and Schwann cells.
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.
1 & 2
1 & 3
2 & 4
3 & 4
General function of gland is to
protect the body.
control the function of epithelial tissues.
produce and secrete specialized compounds to control and maintain different body functions.
help to maintain blood pressure and nerve actions.
What external changes are visible after the last moult of a cockroach nymph?
Development of anal cerci.
Development of both forewings and hind wings.
Development labium.
Mandibles become harder.
What will happen if ligaments are cut or broken?
No movements at joints.
Bones will become fixed.
Bones will become unfixed.
Bone will move freely at joints.
Mast cells are associated with
exocrine glands
endocrine glands
areolar connective tissue
neural tissue
Hair present in the skin are
epidermal in origin and made of dead cells.
epidermal in origin and made of living cells.
dermal in origin and made of living cells.
dermal in origin and made of dead cells.
The kind of epithelium which forms the inner walls of blood vessels is
cuboidal epithelium
columnar epithelium
ciliated columnar epithelium
squamous epithelium
Phallic organs in cockroach are related to
male excretory system.
male reproductive system.
female excretory system.
female reproductive system.