Which set includes pathogenic arthropods
Options
(a) Tse-tse fly,mosquito,flea plague (b) crab,culex,spider (c) Anopheles,culex,cray fish (d) silver fish,house fly,sandfly
Correct Answer:
Tse-tse fly,mosquito,flea plague
Explanation:
No explanation available. Be the first to write […]
Why cockroach blood does not contain respiratory pigment
Options
(a) It does not respire (b) It respires anaerbically (c) Oxygen passes to all the tissues through diffusion (d) Oxygen reaches tissue through tracheoles
A prothallus is
Options
(a) a structure in pteridophytes formed before the thallus develops (b) a sporophytic free living structure formed in pteridophytes (c) a gametophyte free living structure formed in pteridophytes (d) […]
Characteristic of mammalian liver is
Options
(a) Kupffer’s cells and leucocytes (b) leucocytes and canaliculae (c) glisson’s capsules and kupffer cells (d) glisson’s capsules and leucocytes
Correct Answer:
glisson’s capsules and kupffer cells
Protonema is
Options
(a) haploid and is found in mosses (b) diploid and is found in liverworts (c) diploid and iss found in pteridophytes (d) haploid and is found pteridophytes
Correct Answer:
haploid […]
Which one of the following features is common in silver, fish, scorpion, dragonfly and prawn
Options
(a) Three pairs of legs and segmented body (b) Chitinous cuticle and two pairs of antennae (c) […]
The group of animals, which have radial symmetry are
Options
(a) Choelenterata,Mollusca,Annelida (b) Ctenophora,Arthropoda,Echinodermata (c) Coelenterata,Ctenophora,Echinodermata (d) Echinodermata,Hemichordata,Cordata
Correct Answer:
Coelenterata,Ctenophora,Echinodermata
Explanation:
No explanation available. Be the first to write the explanation for […]
In the sleve elements, which one of the following is the most likely function of P proteins
Options
(a) deposition of callose on sieve plates (b) providing energy for active translocation (c) autolytic enzymes […]
Root cap has no role in absorption of water, because it has
Options
(a) cell arranged loosely (b) no cells contain chloroplast (c) no root hair (d) no direct connection with the vascular […]
Which one of the following is the characteristic of epithelial tissues
Options
(a) They are highly vascularised (b) They have produced glands (c) They have large intercellur spaces (d) They have a rapid […]
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