Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it ?
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(a) Biceps of upper arm–Smooth muscle fibres (b) Abdominal wall–Smooth muscle […]
Which one of the following correctly describes the location of some body parts in the earthworm Pheretima ?
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(a) Four pairs of spermathecae in 4 – 7 segments (b) One pair of ovaries […]
Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms
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(a) absence of resin duct and leaf venation (b) presence of vessel elements […]
Ascaris is characterized by
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(a) absence of true coelom but presence of metamerism (b) presence of neither true coelom nor metamerism (c) presence of true coelom but absence of metamerism (d) presence […]
Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?
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(a) Liver fluke, Sea anemone, Sea cucumber – Bilateral symmetry (b) Centipede, Prawn, […]
Which one of the following phyla is correctly matched with its two general characteristics?
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(a) Arthropoda – Body divided into head, thorax and abdomen and respiration by tracheae (b) Chordata – Notochord […]
Which one of the following is the true description about an animal concerned?
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(a) Earthworm – The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine (b) Frog […]
The haemoglobin of a human foetus
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(a) has a lower affinity for oxygen than that of the adult (b) its affinity for oxygen is the same as that of an adult (c) […]
Which of the following animal and morphological feature pairs are correctly matched ?(i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia(iii) Obelia – Thecodont(iv) Lemur – Thecodont
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(a) (ii), (iii) and […]
If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?
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(a) nature of stored food materials in the cell (b) structural organization of […]
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