Related Questions
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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 is involved in the production of new blood cells ?
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4
The given figure shows open circulatory system of cockroach with structure marked as A, B and C. Which structure is a 13 pair of wing shaped involuntary muscles and mantain blood circulation?
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4
The chondrocytes of connective tissue are
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4
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?
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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
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.
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4
What are the three basic components of connective tissues?
A. Ground substance, cells and basement membrane
B. Cartilage, intercellular matrix and serum
C. Cells, protein fibers and ground substance
D. Collagen, elastin and reticular fibers
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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
Which of the following statement is correct regarding Female reproductive system of earthworm ?
A. It consists of two large ovaries, lying laterally in the 6th 7th abdominal segments.
B. Each ovary is formed of a group of five ovarian tubules or ovarioles, containing a chain of developing ova.
C. A pair of spermatheca is present in the 5th segment which opens into the genital chamber.
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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
The shape of a persons ear is due to mainly to
A. dense regular connective tissue
B. dense irregular connective tissue
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4
Find the incorrectly matched pair.
A. Unicellular glandular cells - Goblet cell
B. Saliva - Exocrine secretion
C. Fusiform fibres - Smooth muscle
D. Cartilage - Areolar tissue
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4
Which of the following type of cell junction is not found in animal tissues ?
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4
Male cockroach can be identified from the female by the presence of
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4
What external changes are visible after the last moult of a cockroach nymph?
A. Development of anal cerci.
B. Development of both forewings and hind wings.
D. Mandibles become harder.
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4
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?
C. Malpighian layer of the skin
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4
Statement 1: Typhlosole increases the effective area of absorption in the intestine.
Statement 2: Typhlosole, present in the intestine, is the characteristic feature of cockroach.
A. Statement 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B. Statement 1 and 2 are true and statement 2 is not the correct explanation of statement 1.
C. Both statements 1 and 2 are false.
D. Statement 1 is true and statement 2 is false.
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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
Muscle tissue cells are contractile, which means they
A. are responsible for the production and secretion of enzymes.
B. are specialized in contraction and relaxation.
C. help in the movement of involuntary organs only.
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4
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.
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4
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.
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4
The supportive skeletal structures in the human external ears and in the nose tip are examples of
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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.
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4
The fibres of which of the following muscles are fusiform and do not show striations
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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
Intercalated discs are the communication junctions between the cells of
D. nerve and striated muscles
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4
The following figures A, B and C are types of muscle tissue. Identify A, B and C.
A. A Smooth muscle, B Cardiac muscle, C Skeletal muscle
B. A Skeletal muscle, B Smooth muscle, C Cardiac muscle
C. A Cardiac muscle, B Smooth muscle, C Skeletal muscle
D. A Smooth muscle, B Skeletal muscle , C Cardiac muscle
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4
Which of the follwing statement(s) is/are correct ?
- Cockroaches are brown or black bodied animals that are included in class insecta of phylum arthropoda.
- Males bear a pair of short, thread like anal styles which are absent in females.
- Heart of cockroach consists of elongated muscular tube lying along mid dorsal line of thorax and abdomen.
- The nymph grows by moulting about 13 times to reach the adult form.
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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. A-Gizzard, B-Crop, C-Hepatic caecae, D-Malpighian tubules
B. A-Crop, B-Gizzard, C-Hepatic caecae, D-Malpighian tubules
C. A- Crop, B-Gizzard, C-Malpighian tubules, D-Hepatic caecae
D. A- Gizzard, B-Crop, C-Malpighian tubules, D-Hepatic caecae