Biology 1525 MCQs [All-Courses]

Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

The bristles on the body of the cockroach arise from__________?

A Epidermis

B Trichogen cell

C Basement membrane

D Malpighian cell

Review Detailed Answer

Correct Answer: Trichogen cell

Melanin pigment in cockroach is found in__________?

A Epicuticle

B Exocuticle

C Endocuticle

D All of these

Review Detailed Answer

Correct Answer: Exocuticle

Chitin in cockroach is absent in____________?

A Epicuticle

B Exocuticle

C Endocuticle

D All of these

Review Detailed Answer

Correct Answer: Epicuticle

In man which organisms cause abscesses on the skin of arms or legs?

A Ascaris

B Bacteria

C Ring worm

D Suinea worm

Review Detailed Answer

Correct Answer: Suinea worm

In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?

A Arthropods

B Chordata

C Annelida

D Echinodermata

Review Detailed Answer

Correct Answer: Arthropods

In all arthropods,the body is covered with a chittinous cuticle which is secreted by the____________?

A Endodermis

B Mesophyll

C Chitin

D Epidermis

Review Detailed Answer

Correct Answer: Epidermis

All insects have how many parts of legs?

A 4

B 2

C 3

D 6

Review Detailed Answer

Correct Answer: 3

In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth.

A Ligule

B Radula

C Mantle

D Muscle

Review Detailed Answer

Correct Answer: Radula

Snails belong to__________?

A Cephalopodsxc

B Gastropods

C Bivalves

D Athropods

Review Detailed Answer

Correct Answer: Gastropods

It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates

A Placenta

B Notochord

C Cranianta

D Ligule

Review Detailed Answer

Correct Answer: Notochord

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Biology 1525 MCQs [All-Courses]

All Topics 1525

All Topics 1525

The bristles on the body of the cockroach arise from__________?

Melanin pigment in cockroach is found in__________?

Chitin in cockroach is absent in____________?

In man which organisms cause abscesses on the skin of arms or legs?

In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?

In all arthropods,the body is covered with a chittinous cuticle which is secreted by the____________?

All insects have how many parts of legs?

In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth.

Snails belong to__________?

It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates