Biology Practice MCQ Page 52

Multiple Choice questions for Biology in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 3677   In man which organisms cause abcesses on the skin of arms or legs?
  1. Ascaris
  2. Bacteria
  3. Suinea worm
  4. Ring worm
Question: 3689   In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
  1. Annelida
  2. Chordata
  3. Arthropods
  4. Echinodermata
Question: 3690   In all arthropods,the body is covered with a chittinous cuticle which is secreted by the
  1. Endodermis
  2. Mesophyll
  3. Chitin
  4. Epidermis
Question: 3691   All insects have how many parts of legs?
  1. 2
  2. 3
  3. 4
  4. 6
Question: 3692   In mouth cavity of many molluscs there is a rasping tongue like structure .......... provided with many horny teeth.
  1. Ligule
  2. Radula
  3. Mantle
  4. Muscle
Question: 3693   Snails belong to
  1. Cephalopodsxc
  2. Gastropods
  3. Bivalves
  4. Athropods
Question: 3694   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
  1. Placenta
  2. Notochord
  3. Cranianta
  4. Ligule
Question: 3695   The phylum chrordata comprise about how many species?
  1. 25,000
  2. 50,000
  3. 100,000
  4. 10,00,000
Question: 3696   Sub- phylum vertebrate is also known as
  1. Pisces
  2. Craniata
  3. Aves
  4. Amphibia
Question: 3697   They are considered to be the most primitive and are surely the first of the vertebrates
  1. Frogs
  2. Reptiles
  3. Amphibinas
  4. Jawless fishes
Question: 3698   Scolidon or dog fish belong to the group fo fishes called
  1. Cartilaginous fishes
  2. Bony fishes
  3. Running fishes
  4. Jawless fishes