1. | It covers the external surface of the body and the internal surface of many organs. |
2. | The neighbouring cells are held together by cell junctions and there is very little extracellular material. |
3. | The epithelial cells rest on a cellular basement membrane that separates it from underlying connective tissue. |
4. | There is no blood vessel supplying the nutrients to the epithelial cells. |
Identify the incorrectly matched pair :
Type of epithelium Location
1. Simple cuboidal PCT, Thyroid follicles
2. Psuedostratified Trachea, Large bronchi
3. Transtional Urinary bladder, Ureter
4. Stratified cuboidal Inner surface of intestine, stomach and gall bladder
When secretory granules leave cell by exocytosis with no loss of other cellular material, the glands are called
1. Holocrine
2. Merocrine
3. Apocrine
4. Autocrine
Which of the following is not correctly matched?
Type of cartilage Location
1. Hyaline Sternum,Trachea, Larynx
2. Fibrous Ribs, hyoid, intervertebral discs
3. Elastic Pinna, Epiglottis, tip of nose
4. Calcified Suprascapula of frog
Embryologically, the body of cockroach is formed of 20 segments. What is the number in each region?
1. Head - 6; Thoracic - 3; Abdominal - 11
2. Head - 1; Thoracic - 3; Abdominal - 10
3. Head - 3; Thoracic - 3; Abdominal - 11
4. Head - 0; Thoracic - 3; Abdominal – 10
Juvenile hormone in cockroach is secreted by :
1. Corpora cardiaca
2. Prothoracic gland
3. Corpora allata
4. Corpora bigemina
Cockroaches are uricotelic. The function of which of the following is analogous to the liver of vertebrates?
1. Malphighian tubule
2. Mushroom glands
3. Cuticle of skin
4. Fat body
The presence of anal styles distinguishes male cockroaches from females. It is present on :
1. Ninth tergite
2. Ninth sternite
3. Tenth tergite
4. Tenth sternite
Bipolar neurons are found in humans in :
1. Brain | 2. Spinal cord |
3. Embryonic stages | 4. Olfactory epithelium |
Seminal vesicles :
1. are a part of reproductive system of male cockroach and are associated with utricular gland
2. are a part of reproductive system of female cockroach and are associated with utricular gland
3. are a part of reproductive system of male cockroach and are associated with conglobate gland
4. are a part of reproductive system of female cockroach and are associated with collaterial gland
Cartilaginous fishes differ from bony fishes by :
1. presence of gill slits
2. absence of operculum
3. presence of pectoral fins
4. presence of scales
Mammals are the descendents of the reptilian group :
1. Therapsids
2. Thecodonts
3. Pelycosaurs
4. Dinosaurs
Identify the incorrectly matched class of vertebrates with the features given :
1. Fishes - Jaws and paired appendages (except Agnathans); Single loop circulation; Gills
2. Amphibians - Legs ( except in Caecilian); three chambered heart; no pulmonary veins
3. Reptiles - Amniotic egg; dry skin, thoracic breathing
4. Birds - Feathers; flight skeleton; endothermy
The type of epithelium shown in the given diagram is found in:
1. Proximal convoluted tubule
2. Later part of the small intestine
3. Bronchioles
4. Oviduct
In the given diagram of the transverse section of the gut, the longitudinal muscles are represented by the letter:
1. A
2. B
3. C
4. D
Match each item in Column I with one in Column II and choose your answer from the codes given below:
Tissue | Location | ||
(a) | Simple Squamous | (i) | Blood vessels epithelium |
(b) | Cuboidal brush | (ii) | PCT of nephron-bordered epithelium |
(c) | Dense irregular | (iii) | In the skin connective |
(d) | Areolar | (iv) | Beneath the skin |
Options: | (a) | (b) | (c) | (d) |
1. | (ii) | (i) | (iii) | (iv) |
2. | (i) | (iii) | (ii) | (iv) |
3. | (i) | (ii) | (iv) | (iii) |
4. | (i) | (ii) | (iii) | (iv) |
Match each item in Column I with one in Column II and choose your answer from the codes given below:
Cockroach anatomy | Features | ||
A. | Tests | a. | 6th - 7th abdominal segments |
B. | Mushroom gland | b. | 4th - 6th abdominal segments |
C. | Ovaries | c. | 2nd - 6th abdominal segments |
D. | Spermathecae | d. | 6th abdominal segment |
A | B | C | D | |
1. | c | a | b | d |
2. | c | b | a | d |
3. | b | a | c | d |
4. | d | b | a | c |
Which of the following is not a characteristic of Periplaneta americana?
1. Uricotelism
2. Mosaic vision
3. Dioecious
4. Holometabolous development
Ciliated pseudostratified columnar epithelium lines:
1. Vas deferens and Epididymis
2. Vas deferens and Fallopian tubes
3. Trachea and Upper respiratory tract
4. Bile duct and Pancreatic duct
Mark the incorrect match related to the cockroach:
1. | Gizzard | → | Grinding the food particle. |
2. | Malpighian tubule | → | Absorb uric acid from haemolymph and excreted out through the hindgut. |
3. | Tegmina | → | Opaque, dark and leathery structure and cover the hind wing when at rest. |
4. | Collateral gland | → | Formation of ootheca after fertilization in the female genital pouch. |
Adipose tissue and areolar tissue are consider as
1. | Loose connective tissue and dense connective tissue respectively. |
2. | Dense regular and dense irregular tissue respectively. |
3. | Both are specialised connective tissue. |
4. | Both are loose connective tissue. |
Assertion (A): | Compound epithelium is always made up of more than one layer of cells. |
Reason (R): | Its main function is to provide protection against chemical and mechanical stresses. |
1. | (A) is true but (R) is false. |
2. | (A) is false but (R) is true. |
3. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
What is true regarding the morphology of Periplaneta americana?
1. Head is formed by the fusion of 10 segments
2. Hypopharynx acts as the tongue
3. The first pair of wings arise from the prothorax
4. Anal cerci are not seen in females
Dense irregular connective tissue is present in:
1. Skin
2. Tendons
3. Ligaments
4. Bone marrow