The heart is enclosed in a membrane called________?

Related Mcqs:

1. DNA or RNA of viruses is enclosed in _______________ coat?

   A. Protein
   B. Carbohydrate
   C. Lipid
   D. DNA

2. The innate tendency of offspring to resemble their parents is called________?

   A. heridity
   B. heridisk
   C. varaition
   D. none

   Submitted by: Zeeshan Shahzad

3. The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called________?

   A. Environmental biology
   B. Social biology
   C. Human biology
   D. Both b and c

4. Group of living organisms of the same species living in the same place at the same time is called________?

   A. Community
   B. Population
   C. Ecosystem
   D. Biome

5. Functional units of lungs are called________?

   A. Alveoli
   B. Air sacs
   C. Parabronchi
   D. None of these

6. The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called________?

   A. Homeostasis
   B. Hemostasis
   C. Osmoregualtion
   D. Thermoregulation

7. The small intestine has three parts. The first part is called________?

   A. Duodenum
   B. Oesophagus
   C. Larynx
   D. None of these

   Submitted by: Nayab Idrees

8. Cell membrane under resting conditions is impermeable to all the ions except_____________?

   A. Na+
   B. K+
   C. Cl-
   D. PO4-2

9. Under resting membrane potentials:

   A. Outer surface of neuron is more positive
   B. Inner surface of neuron is more positive
   C. Both of these surfaces are equally positive
   D. none of these.

10. The glycolate produced diffuses into the membrane bounded organelles called____________?

    A. Glyoxisomes
    B. Peroxisomes
    C. Lysosomes
    D. Mitochondria