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CBSE

Subject

Biology
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NEET Biology : Chemical Coordination and Integration

Multiple Choice Questions

51.

Which of the following is both exocrine and endocrine gland

  • Liver

  • Pancreas

  • Thyroid

  • Adrenal



52.

Gonadotropin releasing hormone is transferred to anterior pituitary by

  • left coronary artery

  • hypophysial portal veins

  • axons of neurosecretory cells

  • nuclei of hypothalamus



53.

Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter

  • acetylcholine

  • norepinephrine

  • dopamine

  • GABA



54.

Damage to thymus in a child may lead to

  • a reduction in haemoglobin content of blood

  • a reduction in stem cell production

  • loss of antibody mediated immunity

  • loss of cell mediated immunity



55.

Moulting hormone is secreted by

  • corpora cardiacum

  • prothoracic gland

  • corpora allata

  • neurosecretory hormone



56.

The reabsorption of water in the kidney is under the control of

  • LH

  • ADH

  • STH

  • ACTH



57.

Blood calcium level can be increased by the administration of

  • glucagon

  • thyroxine

  • parathormone

  • caleitonin



58.

When kidney of a person is damaged, he/she invariably suffers from anaemia because

  • RBCs pass through the glomerulus

  • sufficient erythropoietin is not produced

  • haemoglobin is not synthesised sufficiently

  • iron and vitamin B12 are not able to bind to haemoglobin



59.

Which is gonadotropin hormone

  • GH

  • MSH

  • ADH

  • FSH and LH



60.

Deoxyribonuclease and ribonuclease are secreted by

  • liver

  • stomach

  • pancrease

  • kidney



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