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)
Correct Answer :
D. (i), (iii) and (iv)
Adipose tissue is a type of loose connective tissue located mainly beneath the skin. (For more refer answer 66)
Related Questions
Which of the following types of connective tissue is mismatched with its matrix ?
Areolar Loosely packed matrix of protein fibres
Bone Mineralized matrix
Cartilage Highly vascular matrix
Blood Liquid matrix
The figure given below shows the alimentary canal of cockroach with few structures labelled as 1, 2, 3 and 4. Identify the correct identification of the structure which is also called proventriculus and helps in grinding the food particles.
1
2
3
4
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.
Which of the following statement is incorrect regarding cuboidal epithelium ?
It is an epithelial tissue.
It is composed of a single layer of cube-like cells.
They are found in the walls of blood vessels and air sacs of lungs.
Secretion and absorption are the main functions of these tissue.
In all connective tissues, except which of the following, the cells secretes the fibres of collagen or elastin protein ?
Bone
Cartilage
Areolar connective tissue
Fluid connective tissue
Which of the following statement(s) is/are correct regarding cockroaches ?
- The body of the cockroach is segmented and divisible into three distinct regions head, thorax and abdomen.
- Blood vascular system is of closed type.
- They are monoecious and both sexes have well developed reproductive organs.
- The development of P. americana is paurometabolus, meaning there is development through nymphal stage.
Both (i) and (ii)
Both (ii) and (iii)
Both (i) and (iv)
All of these
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
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-Gizzard, B-Crop, C-Hepatic caecae, D-Malpighian tubules
A-Crop, B-Gizzard, C-Hepatic caecae, D-Malpighian tubules
A- Crop, B-Gizzard, C-Malpighian tubules, D-Hepatic caecae
A- Gizzard, B-Crop, C-Malpighian tubules, D-Hepatic caecae
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.
The mouth parts of cockroach are
cutting and biting type.
piercing and sucking type.
sucking and rasping type.
sucking and siphoning type.
A student was given a specimen to identify on the basis of the characteristics given below.
- They are metamerically segmented.
- Presence of closed circulatory system.
- They have circular and longitudinal muscles for locomotion.
Identify the specimen.
Frog
Pheretima
Cockroach
Rabbit
Muscle tissue cells are contractile, which means they
are responsible for the production and secretion of enzymes.
are specialized in contraction and relaxation.
help in the movement of involuntary organs only.
all of the above
Read the following statements and answer the question.
- They have a hard and non-pliable ground substance rich in calcium salts and collagen fibres.
- They support and protect softer tissues and organs.
- Osteocytes are present in the spaces called lacunae.
- 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 ?
Cartilage
Bone
Blood
Neurons
The chondrocytes of connective tissue are
fibre secreting cells
bone forming cells
cartilage cells
bone eating cells
The given figure shows the nephridial system of earthworm and answer the question.
Select the option which shows the correct identification and the function of the structure marked as X.
Lateral heart. It is a blood pumping organ.
Calciferous glands. They neutralize the humic acid present in humus.
Nephridia. It regulates the volume and composition of the body fluids.
Blood glands. They produce blood cells and haemoglobin which is dissolved in blood plasma.
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
Gizzard (proventriculus) in cockroach lies between
oesophagus and stomach
crop and mesenteron
mesenteron and ileum
oesophagus and crop
Non-ciliated simple columnar epithelium often contains _______, which increase the surface area for secretion and absorption.
flagella
collagen fibres
microvilli
all of these
Identify the figure with its correct function Fig :. Adipose connective tissue
Areolar connective tissue Serves as a support framework for epithelium.
Adipose tissue Store fats and act as heat insulators.
Dense regular tissue Provide flexibility.
Dense irregular tissue Provide strength and elasticity.
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
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
The following figure shows the extarnal features of cockroach with few structures labelled as A, B, C, D, & E. Identify A to E .
A- Mesothorax, B-Pronotum, C-Metathorax, D-Tegmina, E-Anal style
A- Pronotum, B-Metathorax, C-Mesothorax, D-Tegmina, E-Sterna
A- Pronotum, B-Mesothorax, C-Metathorax, D-Tegmina, E-Anal cerci
A- Pronotum, B-Mesothorax, C-Metathorax, D-Tegmina, E-Anal style
The supportive skeletal structures in the human external ears and in the nose tip are examples of
ligament
areolar tissue
bone
cartilage
Statement 1 : Cartilage (protein matrix) and bone (calcium matrix) are rigid connective tissue.
Statement 2 : Blood is connective tissue in which plasma is the matrix.
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 statement-2 is not a correct explanation for statement -1
Statement - 1 is true and statement- 2 is false
Both the statements are false.
Nervous tissue cells that play several supporting roles but do not transmit impulses are called
glial cells
dendrites
nerve cells
neurons
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
The only type of cell seen in a tendon is
muscle fibres
reticular cells
collagenous cells
fibroblasts
Which of the following statement is correct regarding Female reproductive system of earthworm ?
It consists of two large ovaries, lying laterally in the 6th 7th abdominal segments.
Each ovary is formed of a group of five ovarian tubules or ovarioles, containing a chain of developing ova.
A pair of spermatheca is present in the 5th segment which opens into the genital chamber.
None of the above
Which of the following vertebrate tissues would be an excellent source of collagen?
Liver
Nerve
Muscle
Tendon
When cardiac muscle cells are damaged by a heart attack, they are usually replaced by
connective tissue cells
new smooth muscle cells
new cardiac muscle cells
epithelial cells