Related Questions
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4
Figure given below shows reproductive system of female cockroach. The correct labellings indicated by alphabets (A, B & C) are respectively
A. A-Spermatheca, B-Collaterial glands, C-Gonapophyses
B. A-Phallic gland, B-Collaterial glands, C-Gonapophyses
C. A-Spermatheca, B-Seminal vesicle, C-Gonapophyses
D. A-Spermatheca, B-Collateral glands, C-Tegmina
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4
In cockroach head can move in all directions due to
B. fusion of all 6 segments of head.
D. head is small and light weight.
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4
Which of the following statement is/are correct regarding digestive system of cockroach ?
- Mouth opens into a short tubular pharynx, leading to a narrow tubular passage called oesophagus.
- Gizzard helps in grinding the food particles.
- A ring of 6-8 blind tubules called hepatic or gastric caecae is present at the junction of foregut and midgut, which secrete digestive juice.
- At the junction of midgut and hindgut is present another ring of 100-150 yellow coloured thin filamentous malphigian tubules which help in removal of excretory products from haemolymph.
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4
Refer the given figure and identify the correct characteristic feature.
- It is a type of loose connective tissue.
- It contains fibroblast, macrophages, collagen fibres and mast cells.
- The cells of this tissue are specialized to store fats.
- The wall of internal organs such as the blood vessels, stomach and intestine contains this type of tissue.
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4
Cartilage tissues are likely to be slow in healing following an injury because
A. cartilage cells cannot reproduce.
B. they lack direct blood supplies.
C. the intercellular material is missing.
D. cartilage cells are surrounded by fluids.
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4
The figure given below shows the head region of cockroach. Identify A to F.
A. A- Compound eye, B-Ocellus, C-Maxilla, D-Mandible, E-Labrum, F-Labium
B. A- Ocellus, B-Compound eye, C-Mandible, D-Maxilla, E-Labrum, F-Labium
C. A- Ocellus, B-Compound eye, C-Mandible, D-Maxilla, E-Labium, F-Labrum
D. A- Ocellus, B-Compound eye, C-Maxilla, D-Mandible, E-Labrum, F-Labium
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4
Which of the following statements is not correct regarding neural tissue ?
A. It exerts the greatest control over the bodys responsiveness to changing conditions.
B. Chondrocytes, the unit of neural system are excitable cells.
C. Neuroglial cells protect and support neurons.
D. When a neuron is suitably stimulated, an electrical disturbance is generated.
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4
Compound squamous epithelium is found in
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4
Which of the following vertebrate tissues would be an excellent source of collagen?
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4
Which of the following is involved in the production of new blood cells ?
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4
Which of the following statement is incorrect regarding cuboidal epithelium ?
A. It is an epithelial tissue.
B. It is composed of a single layer of cube-like cells.
C. They are found in the walls of blood vessels and air sacs of lungs.
D. Secretion and absorption are the main functions of these tissue.
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4
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 ?
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4
Which of the following statement(s) is/are correct regarding compound epithelium ?
A. It is made of more than one layer of cells and thus has a limited role in secretion and absorption.
B. Their main function is to provide protection against chemical and mechanical stresses.
C. They cover the dry surface of the skin, moist surface of buccal cavity, pharynx, inner lining of ducts of salivary glands and pancreatic ducts.
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4
Male cockroach can be identified from the female by the presence of
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4
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.
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4
The fibres of which of the following muscles are fusiform and do not show striations
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4
Non-ciliated simple columnar epithelium often contains _______, which increase the surface area for secretion and absorption.
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4
The frog never drinks water but absorbs it through one of its respiratory organ. Identify the organ.
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4
General function of gland is to
B. control the function of epithelial tissues.
C. produce and secrete specialized compounds to control and maintain different body functions.
D. help to maintain blood pressure and nerve actions.
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4
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 |
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(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. A I; B IV; C II; D III
B. A I; B IV; C III; D II
C. A IV; B I; C II; D III
D. A IV; B II; C I; D III
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4
The major functions of loose connective tissue include
A. occupying spaces between organs and supporting epithelia.
B. supporting and surrounding blood vessels and nerves
C. cushioning organs, storing lipids and facilitating diffusion.
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4
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 ?
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4
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.
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4
Which of the following statements regarding frog is not correct?
A. Fertilization is external and takes place in water.
B. External ear and tympanum can be seen externally.
C. In females the ureters and oviduct open separately in the cloaca.
D. Copulatory pad on the first digit of the fore limbs and vocal sac are present in male frog.
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4
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.
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4
Smooth muscles are______.
A. voluntary, branched, uninucleate
B. voluntary, multinucleate, cylindrical
C. involuntary, cylindrical, multinucleate
D. involuntary, spindle shaped, uninucleated, tapering
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4
Match the description given in column I with their examples given in column II and choose the correct option.
Column I | Column II |
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(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 |
A. 1 - A, 2 - B, 3 - C, 4 - D
B. 1 - C, 2 - A, 3 - D, 4 - B
C. 1 - B, 2 - A, 3 - C, 4 - D
D. 1 - C, 2 - B, 3 - D, 4 - A
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4
Match the terms given in column-I with their feature given in column-II and choose the correct option.
Column-I | Column-II |
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(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. A IV; B II; C I; D III
B. A II; B IV; C I; D III
C. A IV; B II; C III; D I
D. A IV; B I; C II; D III
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4
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 ?
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4
Which statement regarding anal cerci and anal style in cockroach is correct?
A. Anal cerci are absent but anal styles are present in male.
B. Anal cerci are absent and anal styles are present in female.
C. Anal styles are absent and anal cerci are present in male.
D. Anal styles are absent and anal cerci are present in female.