Which of the following statements are true or false
Options
(a) In higher phyl cellular level of organisation is seen (b) Phylum- platyhelminthes have cellular level of organisation (c) Cellular level of organisation is […]
Which of the following is not correct
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(a) Sponges have tissue level of organisation (b) Organ level of organisation is found in platyhelminthes (c) In annelids,arthropods,mollusus,echinoderms and chordates organ system level of […]
From the following statements select the wrong one
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(a) millepedes have two pairs of appendages in each segment of the body (b) prawn has two pairs of antennae (c) animals belonging to […]
Bryophytes resemble algae on the following basis
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(a) differentiation of the plant boy into root,stem and heterotrophic mode of nutritiond (b) thallus like plant body lack of vascular tissue absence of roots […]
Which one of the following animals is correctly matched with its one characteristics and the taxon?
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(a) Duckbilled platypus – Oviparous – Mammalian (b) Millipede – Ventral nerve cord- Arachnida (c) Sea Anemone […]
Sharks and dogfishes differ from skates and rays by
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(a) Their pectoral fins distinctly marked off from cyclindrical bodies (b) Gill slits are ventrally placed (c) Head and trunk are widened considerably (d) […]
The characteristics of class Reptilia are :
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(a) Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears (b) Body covered with moist […]
Select the wrong statement
Options
(a) Anisogametes differ either in structure, function or behaviour (b) In omycetes female gamete is smaller and motile, while male gamete is larger and non-motile (c) Chlamydomonas exhibits […]
Read the following five statements(I-V) and answer the questions which follows them
Options
(a) In liverworts, mosses and ferns gametophytes are free living (b) Gymnosperms and some ferns and some ferns are heterosperms and […]
Read the following statements (A-E) and answer the question which follows them. A)In liverworts, mosses and ferns gametophytes are free-living. B)Gymnosperms and some ferns are heterosporous. C)Sexual reproduction in Fucus, Volvox and Albugo is oogamous. […]
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