Bilateral symmetry, metameric segmentation, coelom and open circu

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

  • Neutrophils

  • Basophils

  • Eosinophils

  • Monocytes


2.

Which one of the following in birds, indicates, their reptilian ancestry?

  • Scales on their hindlimbs

  • Four-chambered heart

  • Two special chambers crop and gizzard in their digestive tract

  • Eggs with a calcareous shell


3.

Select incorrect pair

  • Porifera – Choanocytes

  • Coelenterata – Nematocysts

  • Annelida – Segmentation

  • Monera – Eukaryote


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4.

Bilateral symmetry, metameric segmentation, coelom and open circulatory system are the features of

  • Annelida

  • Arthropoda

  • Mollusca

  • Echinodermata


C.

Mollusca

The members of phylum-Arthropoda show bilateral symmetry, three germ layers in body wall, external metamerism, jointed and paired appendages, haemoocel and open type of circulatory system with dorsal heart.


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5.

Universal donor is

  • O Rh+­

  • O Rh­

  • AB Rh+­

  • AB Rh­


6.

Gigantism and acromegaly are due to

  • Hypothyroidism

  • Hyperthyroidism

  • Hypopituitarism

  • Hyperpituitarism


7.

If a child is of O blood group and his father is of B blood group, the genotype of father is

  • IO IO

  • IA IB

  • IO IB

  • IO IA


8.

Phase common in aerobic and anaerobic respiration is

  • Krebs’ cycle

  • Glycolysis

  • Glycogenolysis

  • ETS


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9.

Oxyntic cells secrete

  • HCl

  • Trypsin

  • NaOH

  • Pepsinogen


10.

Correctly matched set of phylum, class and example is

  • Protozoa-Mastigophora-Entamoeba

  • Mollusca=-Bivalvia-c-Pmcrcdc

  • Arthropoda-Diplopoda-Scolopendra

  • Chordata-Cyclostomata-Phrynosoma


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