During urine formation, which of the following process create thi

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Rh-factor can produce disease

  • AIDS

  • Tumer’s syndrome

  • Erythroblastosis foetalis

  • Sickle cell anaemia


2.

Penumotoxic centre which a moderate the function of the respiratory rhythm centre is present at

  • Pons region in brain

  • Thalamus

  • Spinal cord

  • Right cerebral hemisphere


3.

Which type of cells is absent in sponges?

  • Trophocytes

  • Myocytes

  • Archeocytes

  • Cnidocytes


4.

Which of the following hormone secretes a gastric secretion?

  • Entero gastrone

  • Gastrin

  • CCK-PZ

  • Villikinin


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5.

Food storage in Leucosolenia occur by

  • Ostia

  • Osculam

  • Thesocyte

  • Spongocoel


6.

Which of the following disorder is an outcome of irregularities in the metabolism of the nitrogenous waste?

  • Osteoporosis

  • Gouty Arthritis

  • Osteoarthritis

  • Rheumatoid arthritis


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7.

During urine formation, which of the following process create thigh osmotic pressure in the uriniferous tubule?

  • Active Na+ absorption, followed by absorption of Cl

  • Active Cl absorption, followed by absorption of Na+

  • Active secretion of Na+ into efferent arteriole followed by absorption of Cl into the efferent renal arteriole

  • Active secretion of Cl and absorption of Nainto the efferent renal arteriole


A.

Active Na+ absorption, followed by absorption of Cl

Osmotic pressure is a measure of tendency to take water by osmosis. During urine formation, 2/3 of Nacl and water filtered in bowman's capsule, is immediately absorbed by PCT.


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8.

 Steroid hormones work as

  • They enter into target cells and binds with specific receptor and ativate4s specific genes to form protein

  • They bind to cell membrane

  • They catalyse formation of cAMP

  •  None of the above


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9.

In the following diagram showing axon terminal and synapse A, B, C, D and E respectively represent

  • A-axon terminal, B-synaptic cleft, C-synaptic vesicles, D-neurotransmitters, E-receptors

  • A- axon terminal, B-synaptic vesicles, C-synaptic cleft, D-receptors, E-neurotransmitters

  •  A-synaptic cleft, B-synaptic vesicles, C-axon terminal, D-neurotransmitters, E-receptors

  •  A-synaptic vesicles, B-axon terminal, C-synaptic vesicles, D-neurotransmitters, E-receptors


10.

Adrenaline and noradrenaline are hormones that act as

  • Energy producing agents

  • Food storage materials

  • Neurotransmitters

  • Energy storing substances


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