Secretion of gastric juice is stimulated by from Biology NEET Ye

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

Secretion of gastric juice is stimulated by

  • pepsin

  • gastrin

  • renin

  • secretin


B.

gastrin

The flow of gastric juice is regulated partly by a nervous mechanism and partly by the action of the hormone gastrin, which is produced in the mucosa cells of the stomach. It induces the secretion of gastric juice by gastric glands.


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2.

Which one shows bio-luminescence?

  • Noctiluca

  • Polystomella

  • Entamoeba

  • Suctoria


3.

Mantle, foot and shell are the characteristics of

  • Nautilus

  • Echinus

  • Limulus

  • Euplectella


4.

Protists are

(i) unicellular and prokaryote

(ii) unicellular and eukaryote

(iii) multicellular and eukaryote

(iv) autotroph or heterotroph

  • (i), (ii) and (iii)

  • (ii), (iii) and (iv)

  • (iii), (iv)

  • (ii), (iv)


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5.

Pepsin is inactivated at pH

  • below 3

  • below 2

  • above 5

  • above 3


6.

Which one affects liver, muscle and adipose tissue?

  • Androgen

  • Insulin

  • Progesterone

  • Glucagon


7.

Inner lining of blood vessels is formed by

  • ciliated epithelium

  • squamous epithelium

  • cubical epithelium

  • columnar epithelium


8.

Nucleated RBC is present in

  • man

  • rat

  • frog

  • rabbit


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9.

The main excretory organ of prawn is

  • green gland

  • flame cell

  • Malphigian tubule

  • nephridia


10.

Moulting hormone is secreted by

  • corpora cardiacum

  • prothoracic gland

  • corpora allata

  • neurosecretory hormone


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