absence of neck.
fusion of all 6 segments of head.
flexible neck.
head is small and light weight.
C. flexible neck.
It is made of more than one layer of cells and thus has a limited role in secretion and absorption.
Their main function is to provide protection against chemical and mechanical stresses.
They cover the dry surface of the skin, moist surface of buccal cavity, pharynx, inner lining of ducts of salivary glands and pancreatic ducts.
All of the above
Cuboidal epithelium
Columnar Epithelium
Squamous epithelium
Glandular epithelium
cuboidal epithelium
columnar epithelium
ciliated columnar epithelium
squamous epithelium
3, 4, 5 abdominal segments
4, 5, 6 abdominal segments
5, 6, 7 abdominal segments
6, 7, 8 abdominal segments
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
Eustachian tube and stomach lining
bronchioles and fallopian tubes
bile duct and oesophagus
fallopian tubes and urethra
male excretory system.
male reproductive system.
female excretory system.
female reproductive system.
A-Spermatheca, B-Collaterial glands, C-Gonapophyses
A-Phallic gland, B-Collaterial glands, C-Gonapophyses
A-Spermatheca, B-Seminal vesicle, C-Gonapophyses
A-Spermatheca, B-Collateral glands, C-Tegmina
A-Adipocyte, B-Collagen fibres, C-Microfilament, D-Mast cells
A-Macrophage, B-Collagen fibres, C-Microfilament, D-Mast cells
A-Macrophage, B-Collagen fibres, C-Microtubule, D-RBC
A-Macrophage, B-Fibroblast, C-Collagen fibres, D-Mast cells
areolar connective tissue
adipose tissue
dense regular connective tissue
loose connective tissue
Adhering junction
Tight junction
Gap junction
Plasmodesmata
glial cells
dendrites
nerve cells
neurons
1 & 2
1 & 3
2 & 4
3 & 4
cockroach does not respire.
respiration is anaerobic.
oxygen goes directly into tissues by diffusion.
oxygen goes directly into tissues by intracellular capillary system.
A- Compound eye, B-Ocellus, C-Maxilla, D-Mandible, E-Labrum, F-Labium
A- Ocellus, B-Compound eye, C-Mandible, D-Maxilla, E-Labrum, F-Labium
A- Ocellus, B-Compound eye, C-Mandible, D-Maxilla, E-Labium, F-Labrum
A- Ocellus, B-Compound eye, C-Maxilla, D-Mandible, E-Labrum, F-Labium
Only (i)
Both (ii) and (iii)
Both (i) and (iii)
All of these
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.
1: Columnar cells bearing cilia; 2: Unicellular glandular epithelium
1: Cuboidal cells bearing cilia; 2: Multicellular glandular epithelium
1: Compound cells bearing cilia; 2: Unicellular glandular epithelium
1: Columnar cells bearing cilia; 2: Multicellular glandular epithelium
Tight junctions help to stop substances from leaking across a tissue.
Adhering junctions perform cementing to keep neighbouring cells together.
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.
All of the above
into the skin surface
into the blood stream
into a gland duct
into the brain tissue
Column-I | Column-II |
---|---|
(Terms) | (Features) |
A. Exocrine gland | I. They help to stop substances from leaking across a tissue |
B. Endocrine gland | II. Hormones are secreted directly into the fluid bathing the gland |
C. Tight junctions | III. They perform cementing to keep neighbouring cells together. |
D. Adhering junctions | IV. Secretes mucus, saliva, earwax, oil, milk, digestive enzymes and other cell products |
A IV; B II; C I; D III
A II; B IV; C I; D III
A IV; B II; C III; D I
A IV; B I; C II; D III
Skeletal muscle
Smooth muscle
Cardiac muscle
All of these
Cartilage
Bone
Blood
Neurons
exocrine glands
endocrine glands
areolar connective tissue
neural tissue
Only (i)
(i), (ii) and (iii)
(ii), (iii) and (iv)
All of these
A Smooth muscle, B Cardiac muscle, C Skeletal muscle
A Skeletal muscle, B Smooth muscle, C Cardiac muscle
A Cardiac muscle, B Smooth muscle, C Skeletal muscle
A Smooth muscle, B Skeletal muscle , C Cardiac muscle
There are 16 very long malpighian tubules present at the junctions of midgut and hindgut.
Grinding of food is carried out only by the mouth parts.
Nervous system is located ventrally and consists of segmentally arranged ganglia joined by a pair of longitudinal connectives.
Females bear a pair of short thread like anal styles.
Development of anal cerci.
Development of both forewings and hind wings.
Development labium.
Mandibles become harder.
Only (i)
Both (ii) and (iv)
Both (i) and (iii)
(i), (iii) and (iv)
cardiac muscles
striped muscles
adipose tissue
nerve and striated muscles