Multiple Choice Questions

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Which one of the following contains the largest quantity of extracellular material?

  • epithelial tissue

  • neural tissue

  • Striated muscle

  • Areolar tissue


D.

Areolar tissue

Loose connective tissue or areolar connective tissue is the packing material of the body that anchors blood vessels, nerves and body organs. It consists of fibroblasts that synthesise the fibres and ground substance of connective tissues and wandering macrophages that phagocytise pathogens or damaged cells. 


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In testis of frog, there are no

  • Sertoli cells

  • spermatocytes

  • spermatids

  • intestinal cells


One difference in breathing mechanism of frog and rabbit is that

  • expansion of frog's lungs is not much

  • abdominal movements more in frog

  • diaphragm and rib muscles play important role in rabbit

  • air reaching frog's lungs is to cool


Haemoglobin in earthworm is present in

  • RBC

  • protoplasm

  • coelomic fluid

  • plasma


Respiration pigment of blood in cockroach is

  • haemozoin

  • haemocyanin

  • haemoglobin

  • absent


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Which tissue covered with calcium phosphate?

  • Bone

  • Muscles

  • Mesenchyma

  • Cartilage


Fifth cranial nerve of frog is called

  • vagus

  • trigeminal

  • optic

  • ophthalmic


Fertilization in earthworm is

  • cross fertilization

  • combined fertilization

  • self-fertilization

  • All of the above


Major protein of connective tissue is

  • myosin

  • collagen

  • melanin

  • keratin


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If frog's brain is crushed, even then its leg moves on pinpointing. It is called

  • simple reflex

  • conditional reflex

  • neurotransmitter function

  • autonomic nerve condition


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