Which of the following acts as thermoregulator?

Related Mcqs:

1. On which of the following site the posterior pituitary hormone acts predominantly?

   A. Proximal convoluted tubule
   B. Descending limb of loop of Henle
   C. Ascending limb of loop of Henle
   D. Collecting tubules

2. Enteron in coelenterates acts as___________?

   A. Digestive cavity
   B. Body cavity
   C. Transporting cavity
   D. all of these

3. The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as___________?

   A. Hydrophilic
   B. Hydrophobic
   C. Both of these
   D. None of these

4. Protein which acts as hormone is__________?

   A. Casein
   B. Trypsin
   C. Oxytocin
   D. Keratin

   Submitted by: Yaseen Nohri

5. Which of the following are triploblastic and acoelomate?

   A. Sponges
   B. Annelida
   C. Platyhelminthes
   D. Aves

6. Which of the following statement about dicots is incorrect _________________?

   A. They have 4 or 5 sepals and petals or their multiple.
   B. They have parallel vein pattern on their leaves
   C. They are both herbaceous and woody
   D. Vascular bundles are ring shaped in their stems.

7. Which of the following feature is not related to neuron?

   A. Conduction
   B. Regeneration
   C. Reflex
   D. Movement

8. Which of the following hormone is predominantly responsible for bone weakening in older women?

   A. Progesterone.
   B. Oestrogen.
   C. Parathyroid hormone.
   D. Calcitonin.

9. Which of the following step occurs immediately after binding of Ca2+ with troponin molecule during muscle contraction.

   A. Binding sites of actin get attached to the myosin head.
   B. Troponin uncovers the actin binding sites.
   C. Tropomyosin gets removed from the binding sites of actin filaments.
   D. Ca2+ goes back inside sarcoplasmic reticulum.

10. Which of the following treatment will be administered first in a newly diagnosed renal failure patient?

    A. Renal transplant
    B. Peritoneal Dialysis
    C. Lithotripsy
    D. Hemodialysis