Cockroaches are brown or black bodied animals that are included in class _______ of phylum _______.
reptilia; annelida
insecta; arthropoda
insecta; annelida
reptilia; arthropoda
Correct Answer :
B. insecta; arthropoda
Cockroaches are usually brown or black. Cockroaches belong to kingdom animalia, phylum arthropoda, class insecta and Order Blattaria. Some species invade human dwellings and are considered pests. Others are beneficial to the environment as important recyclers of decaying organic material.
Related Questions
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?
Liver cells
Neurons
Malpighian layer of the skin
Osteocytes
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
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
Read the following statements and answer the question.
- It is made of a single thin layer of flattened cells with irregular boundaries.
- They are found in the walls of blood vessels and air sacs of lungs.
- They are involved in functions like forming a diffusion boundary.
Which of the following characteristics of tissue is being described by the above statements ?
Squamous epithelium
Columnar epithelium
Ciliated epithelium
Compound epithelium
The intercellular material of the given figure is solid and resists compression. Identify the figure and the label marked as A & B.
Fig - Cartilage, A - Collagen, B - Collagen
Fig - Cartilage, A - Microtubule, B - Collagen fibres
Fig - Bone, A - Chondrocyte, B - Chondroclast
Fig - Bone, A - Chondroclast, B - Osteoblast
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 type of cell junction is not found in animal tissues ?
Adhering junction
Tight junction
Gap junction
Plasmodesmata
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.
The mouth parts of cockroach are
cutting and biting type.
piercing and sucking type.
sucking and rasping type.
sucking and siphoning type.
Identify figures-I and II.
Figure I Figure II
Dense regular Dense irregular connective tissue, connective tissue
Loose irregular Loose regular connective tissue, connective tissue
Adipose tissue, Specialized connective tissue
Connective tissue Areolar tissue proper
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.
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
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-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
Smooth muscles are______.
voluntary, branched, uninucleate
voluntary, multinucleate, cylindrical
involuntary, cylindrical, multinucleate
involuntary, spindle shaped, uninucleated, tapering
The chondrocytes of connective tissue are
fibre secreting cells
bone forming cells
cartilage cells
bone eating cells
Which of the following vertebrate tissues would be an excellent source of collagen?
Liver
Nerve
Muscle
Tendon
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 is involved in the production of new blood cells ?
Adipose cell
Bone marrow
Liver
Matrix
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 of the following statement(s) is/are correct regarding respiratory system of cockroach ?
- It consists of a network of trachea, that open through 12 pairs of small holes called spiracles present on the lateral side of the body.
- Thin branching tubes carry oxygen from the air to all the parts.
- The opening of the spiracles is regulated by sphincters.
- Exchange of gases take place at the tracheoles by diffusion.
Only (i)
(i), (ii) and (iii)
(ii), (iii) and (iv)
All of these
Select the correct statement regarding Periplaneta americana
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.
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.
Non-ciliated simple columnar epithelium often contains _______, which increase the surface area for secretion and absorption.
flagella
collagen fibres
microvilli
all of these
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 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
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
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
Match column-I with column-II and choose the correct option.
| Column-I | Column-II |
|---|---|
| A. Periplaneta | I. Hepatic caecae americana |
| B. A ring of 6-8 blind | II. Phylum arthropoda tubules |
| C. Vascular system | III. Spiracles |
| D. 10 pairs of small | IV. Malpighian tubules holes |
| E. Excretion | V. Open type |
A I; B II; C III; D IV; E V
A II; B I; C V; D III; E IV
A II; B I; C III; D V; E IV
A III; B IV; C II; D V; E I
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
Which of the following statement(s) regarding cell junctions is/are correct ?
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