What is wrong with respect to skeletal muscles?

(1) The striated skeletal muscle fibres are bundled together in a randomly fashion.

(2) A sheath of loose connective tissue encloses many bundles of muscle fibres.

(3) Skeletal muscle is partially attached to skeletal bones

(4) All are wrong

Male cockroach and female cockroach can be
differentiated by :
1. Ocelli

2. Anal cerci

3. Anal styles

4. Male rabbit

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

1. The exoskeleton of each segment consists of four plate-like pieces called sclerites

2. Labium bears tactile and gustatory sensory setae

3. In cockroach, malpighian tubules, fat bodies, nephrocytes, cuticle, and uricose glands (in some species) Helps in excretion

4. Internally mesenteron is lined by cuticle and covered by a very thin and transparent peritrophic membrane

Anal cerci are paired, jointed outgrowth found in cockroach. These arise from

1. $9^{th}$ sternum

2. ${10}^{th}$ tergum

3. $9^{th}$ tergum

4. $8^{th}$ tergum

Which of the following is correct with respect to cockroach?

a. Internally mesenteron is lined with cuticle

b. In abdomen eight pair of spiracles are present

c. All sperms of seminal vesicle are glued together into spermatophore

d. Malphigian tubules are present at the junction of midgut and hindgut

1. a, b & c

2. a & b

3. b & d

4. b, c & d

On an average female cockroach produce ________ oothecae, each containing ________ eggs.

(1) 9-10, 14-16

(2) 14-16, 9-10

(3) 2-4, 10-12

(4) 6-8, 8-10

Tegmina arises from

(1) Prothorax

(2) Mesothorax

(3) Metathorax

(4) Neck region between head and thorax

Dense irregular connective tissue with fibroblasts and many fibres (mostly collagen) that are oriented irregularly are found in

1. Tendon

2. Ligament

3. Dermis of skin

4. Blood

Which of the following statement is correct with reference to the cockroach eye?

1. Both eyes together consist of about 2000 hexagonal ommatidia

2. Its vision has more sensitivity but less resolution

3. Mosaic vision is not found due to diurnal habit

4. Compound eyes are situated at the vertex region of the head

Which of the following is incorrect?

1. White adipose tissue - Adipocytes with single large fat droplet

2. Areolar tissue - Loose connective tissue

3. Fibroblasts cell - Synthesis of collagen

4. Dense connective tissue - Bone, cartilage, lymph