Structural Organisation in Animals

Choose the correct statements regarding frog's anatomy: Choose the correct answer from the options given below:

1. B and D only
2. A, B and C only
3. B and C only
4. A, C and E only

Male frogs can be distinguished from female frogs due to the presence of: Choose the correct answer from the options given below:

1. A and B only
2. C and E only
3. B and D only
4. B and C only

In water, frogs respire using .

1. trachea
2. skin
3. buccal cavity
4. lungs

In frogs, the number of pairs of cranial nerves arising from the brain are .

1. 12
2. 6
3. 9
4. 10

In frog, the Renal portal system is a special venous connection that acts to link:

1. Kidney and intestine
2. Kidney and lower part of body
3. Liver and intestine
4. Liver and kidney

Frogs respire in water by skin and buccal cavity and on land by skin, buccal cavity and lungs. Choose the correct answer from the following :

1. The statement is false for water but true for land
2. The statement is false for both the environments
3. The statement is true for water but false for land
4. The statement is true for both the environments

What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?

1. Pulmonary vein
2. Vena cava
3. Aorta
4. Pulmonary artery

Which of the following statements is correct about location of the male frog copulatory pad?

1. Second digit of fore limb
2. First digit of the fore limb
3. First and Second digit of fore limb
4. First digit of hind limb

In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on

1. 5th segment
2. 10th segment
3. 8th and 9th segment
4. 11th segment

Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human body: [Figure] Name of muscle/location

1. (a) Smooth - Toes (b) Skeletal - Legs (c) Cardiac - Heart
2. (a) Skeletal - Triceps (b) Smooth - Stomach (c) Cardiac - Heart
3. (a) Skeletal - Biceps (b) Involuntary - Intestine (c) Smooth - Heart
4. (a) Involuntary - Nose tip (b) Skeletal - Bone (c) Cardiac - Heart

Which of the following statements is correct about the type of junction and their role in our body?

1. Adhering junctions facilitate the cells to communicate with each other.
2. Tight junctions help to stop substances from leaking across a tissue.
3. Tight junctions help to perform cementing to keep neighbouring cells together.
4. Gap junctions help to create gap between the cells and tissues.

Which of the following is/are present in female cockroach? Choose the most appropriate answer from the options given below:

1. B and D only
2. B and E only
3. A only
4. A and C only

In which of the following connective tissues, the cells secrete fibres of collagen or elastin? Choose the most appropriate answer from the options given below :

1. B, C, D and E only
2. A, B, C and E only
3. B, C and D only
4. A, C and D only

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

1. Both Statement I and Statement II are false
2. Statement I is true but Statement II is false
3. Statement I is false but Statement II is true
4. Both Statement I and Statement II are true

In cockroach, excretion is brought about by – Choose the correct answer from the options given below :

1. A, B and E only
2. B, C and D only
3. B and D only
4. A and E only

Which of the following is characteristic feature of cockroach regarding sexual dimorphism?

1. Presence of anal styles
2. Presence of sclerites
3. Presence of anal cerci
4. Dark brown body colour and anal cerci

Which of the following is not a connective tissue?

1. Blood
2. Adipose tissue
3. Cartilage
4. Neuroglia

Tegmina in cockroach, arises from

1. Prothorax
2. Mesothorax
3. Metathorax
4. Prothorax and Mesothorax

Which of the following is present between the adjacent bones of the vertebral column?

1. Intercalated discs
2. Cartilage
3. Areolar tissue
4. Smooth muscle

Which of the following types of epithelium is present in the bronchioles and Fallopian tubes?

1. Stratified squamous epithelium
2. Simple squamous epithelium
3. Simple columnar epithelium
4. Ciliated epithelium

Choose the correct statement about a muscular tissue

1. Smooth muscles are multinucleated and involuntary.
2. Skeletal muscle fibres are uninucleated and found in parallel bundles.
3. Intercalated discs allow the cardiac muscle cells to contract as a unit.
4. The walls of blood vessels are made up of columnar epithelium.

Choose the correct statements: Choose the most appropriate answer from the options given below:

1. A, B and E only
2. A, B and D only
3. B, C and E only
4. A, C and D only

Excretion in cockroach is performed by all, EXCEPT:

1. Hepatic caeca
2. Uricose glands
3. Malpighian tubules
4. Fat body

Which of the following statements wrongly represents the nature of smooth muscle?

1. These muscles are present in the wall of blood vessels
2. These muscles have no striations
3. They are involuntary muscles
4. Communication among the cells is performed by intercalated discs

Which of the following characteristics is incorrect with respect to cockroach?

1. 10th abdominal segment in both sexes, bears a pair of anal cerci
2. A ring of gastric caeca is present at the junction of midgut and hind gut
3. Hypopharynx lies within the cavity enclosed by the mouth parts
4. In females, 7th-9th sterna together form a genital pouch

Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.

1. Adhering junctions and Gap junctions, respectively
2. Gap junctions and Adhering junctions, respectively
3. Tight junctions and Gap junctions, respectively
4. Adhering junctions and Tight junctions respectively

Following are the statements about prostomium of earthworm. Choose the correct answer from the options given below.

1. B and C only
2. A, B and C only
3. A, B and D only
4. A, B, C and D

If the head of cockroach is removed, it may live for few days because

1. the cockroach does not have nervous system.
2. the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body.
3. the head holds a 1/3rd of a nervous system while the rest is situated along the dorsal part of its body.
4. the supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.

Cuboidal epithelium with brush border of microvilli is found in

1. Ducts of salivary gland
2. Proximal convoluted tubule of nephron
3. Eustachian tube
4. Lining of intestine

Goblet cells of alimentary canal are modified from

1. Columnar epithelial cells
2. Compound epithelial cells
3. Squamous epithelial cells
4. Chondrocytes