Juvenile hormone in insect is released from

• protocerebrum

• corpora cardiaca

• corpora allata

• thoracic gland

The epithelium found in the inner linings of stomach and intestine is

• columnar

• squamous

• stratified

• pseudostratified

Which one of the following statements is incorrect?

• Insects have one pair of antenna

• Millipeds possess two pairs of appendages in each segment of the body

• Prawns have two pairs of antenna

• Animals belonging to the phylum- Porifera have nematocys

Study the following statements with reference to nervous system in Periplanata.

I. The brain is mainly a sensory and an endocrine centre.

II. All thoracic ganglia supply nerves to the parts of their respective segments only.

III. Sixth abdominal ganglion is the largest of all the abdominal ganglia.

IV. Frontal ganglion is connected to the ingluvial ganglion by a recurrent nerve.

From the above identify the correct statements

• II and IV

• II and III

• I and III

• I and IV

In the female cockroach the anterior wall, roof and floor of genital pouch are formed respectively by the following abdominal sterna of

• 7^th , 8^th and 9^th segments

• 8^th , 7^th and 9^th segments

• 9^th , 8^th and 7^th  segments

• 8^th , 9^th and 7^th segments

Select the organs/parts which are derivatives of Mesoderm.

I. Nervous system (except mecroglia)

II. Heart, blood vessels

III. Spleen

IV. Kidney, ureters

V. Epithelium of larynx, trachea, bronchi and lungs

VI. Legaments, tendons and skin dermis

• II, III, IV and VI

• I and V

• I, II and IV

• III, VI and VI

Plantula is a soft adhesive pad that helps cockroach in grasping the substratum firmly on which leg podomere does it occurs?

• Tarsus

• Trochanter

• Femur

• Coxa

From the following pairs regarding the type of animal tissue with its location. Choose the incorrect ones.

• Pseudo stratified epithelium - Eustachian tube

• Keratinized stratified epithelium - Conjunctiva of eyes

• Squamous epithelium - Alveoli of lungs

• Cuboidal epithelium - Pancreatic ducts

Match the Column I and Column II

• A - 2; B - 5; C - 1; D - 3

• A - 4; B - 3; C - 1; D - 2

• A - 4; B - 3; C - 1; D - 5

• A - 4; B - 5; C - 1; D - 2

Ringer's solution contains

• Na⁺ + Cl^- ions

• Na⁺ + K⁺ ions

• Na⁺ + K⁺ + Cl^- ions

• K⁺ + Cl^- ions