Which of the following cell type is capable of giving rise to oth

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which of the following is the largest gland in an adult man?

  • Thymus

  • Liver

  • Thyroid

  • Pancreas


2.

In Pheretima, septa are absent between which segments?

  • 3/4 and 9/10

  • 4/5 and 8/9

  • 5/6 and 7/8

  • 7/8 and 6/7


3.

During emergency which of the following hormone is secreted?

  • Aldosterone

  • Thyroxine

  • Adrenalin

  • Calcitonin


4.

In cockroach, larval and nymphal characters are maintained by

  • ecdysone

  • salivary glands

  • parotid gland

  • juvenile hormone


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5.

Which of the following is a transparent tissue?

  • Tendon

  • Fibrous cartilage

  • Hyaline cartilage

  • All of these


6.

Rh factor is present in

  • all vertebrates

  • all mammals

  • all reptiles

  • man and rhesus monkey only


7.

In rabbit, end of a long bone is connected in another by

  • tendon

  • ligaments

  • muscle

  • cartilage


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8.

Which of the following cell type is capable of giving rise to other cell types in sponges?

  • Thesocytes

  • Pinacocytes

  • Cnidocytes

  • Archaeocytes


D.

Archaeocytes

Archaeocytes are the totipotent cells, which provide great regenerating power to sponges. Sex cells (sperm and ova arise from undifferentiated archaeocytes).


Thesocytes are the amoebocytes with reserve food granules.


Pinacocytes are the polygonal flat cells present as outer layer of cells, called pinacoderm lining the spongocoel or body cavity in Leucosolenia.


Cnidocytes occur in entire epidermis except that of basal disc and are found only in cnidarians. These are spherical or oval cells.


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9.

Thigmotaxis is not shown by

  • Paramecium

  • Amoeba

  • Ascaris

  • Hydra


10.

Animals having a built in thermostat to maintain constant body temperature are known as

  • biothermic

  • poikilothermic

  • oligothermic

  • homeothermic


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