Chemical Coordination and Integration MCQ,S.(Zoology Neet-Biology).

         Chemical  coordination and integration MCQ,s Question practice, and past year Question with  Answer key.                         Class 11 and 12  Biology NCERT, KPK , Punjab,Fedral Board 

       

       PART-01.

       1.Identify the incorrect statement among the following.

          A. In male FSH regulate spermatogenesis.

          B. Thyroid gland produce T₃ and T₄ hormone.

          C. ACTH stimulates secretion of cartisol hormone. 

          D. PTH is a hyperglycemic hormone.

     2.Heterocrine gland is one which:

         A. Has two distinct parts

         B. Serves a double function of exocrine and endocrine gland

         C. Produces two types of hormones

         D.Occurs in two places 

     3.The primary target site of the hormones of hypothalamus is

               A. Pineal gland.

               B.Thymus gland.

               C.Pituitary gland.

               D.Testis. 

           4.If A’ is a hormone which controls the carbohydrate metabolism in the body and B’ is a                      hormone which controls the secretion of A’,both A and B are produce at different site then                A and B are:

               A.   Insulin and Somatotropin. 

               B.  Aldosterone and growth hormone.

               C. Glucocorticoid and ACTH respectively.

               D. Glucocorticoid and GHRH. 

           5. Select the incorrect statement w.r.t. neurohypophysis:

               A. Neurohypophysis is also called pars nervosa.

               B. It synthesizes two hormones, Oxytocin and vasopressin.

               C. It receives neurohormones directly from neurosecretory cells.

               D. It comprises 25% portion of pituitary gland.

           6.A hormone which regulates BMR is called:

               A. Adrenaline

               B. Thymine

               C. Thyroxine

               D. Thymosin.

            7.Shokat has high level of calcium in blood,Excess of which hormone can cause this.             

               A.Parathormone

               B. Insulin

               C.Calcitonin

               D.Growth hormone.

            8.The first hormone to be discovered was:

               A.Secretin

               B.Testosterone

               C.Insulin

               D.Thyroxine.

 

           9.The target organ for vasopressin is:

               A.     Kidney.

               B.     Lungs.

               C.     Stomach.

               D.    Brain.

           10.Calcium absorption is inhibited by calcitonine in:

               A.  Kidney

               B.  Intestine

               C. Gut

               D. All of them.

A        Answer-Key:    

                            1-D-2-B-3-C-4-C-5-B-6-C-7-A-8-A-9-A-10-D.

 

        PART-02. 

             1.Which of the following hormones is not secreted by anterior pituitary gland?

                 A. Growth hormone.

                 B. Adrenocorticotropic hormone.

                 C. Follicle stimulating hormone.

                 D. Oxytocin.

    2      2.Corpus leutium secretes a hormone called:

                A. Aldosterone.

                B. Testosterone

                C. Prolactin

                D. Progesterone.

            3.Select the correct statement from the following:

              A. GHIF- Release from anterior pituitary gland.

                B. MSH -Release from hypothalamus to control skin color.

                C. Oxytocin is secreted in hypothalamus and release from posterior pituitary gland.

                D. Aldosterone is secreted by thyroid gland.

             4.The stalk of pituitary gland that connects pituitary gland to hypothalamus is called:

                 A. Nerve ring

                 B. Infundibulum

                 C.Sella turcica

                 D.Pedicle.

   5.      5.The depression in bone where pituitary gland attached is called:

              A.Femur.

              B.Infundibulum

              C.Sella turcica

              D.Acetabolum.

  6.       6.Hormones are chemically:

              A.Amino acid

              B. Protein

             C. Steroid

             D. All of these.

 7.       7.Which hormone inhibits the release of growth hormone?

               A.Insulin

               B.Gonadotropin

               C.Somatostatin

               D.Thymosin.

            8.Researchers have found increased levels of hormones from the  in the blood of                                    students preparing for final exams,these hormones are produced in response to stress from.

   .               A.Adrenal glands

             B.Pineal gland

             C.Thyroid gland

             D.Posterior pituitary

  9.      9.Select the odd one from the following:

            A.Testosterone

            B.Aldosterone

            C.Estrogen

             D.Oxytocin.

    10       10.The Oxytocin and ADH are peptide hormone made up of:

              A.10 amino acid.

             B.9 amino acid

             C. 200 amino acid

             D.They are non protein in nature.

 

        Answer key:

                  1-D-2-D-3-C-4-B-5-C-6-D-7-C-8-A-9-D-10-B.