Almost identical eclipses occur after 18 years and 11 days. This cycle is known as__________?

Related Mcqs:

1. Spring tides occur on new moon and full moon days because on these days_____________?

   A. Sun, moon and earth are in a straight line B. Sun and earth are at right angles C. Sun and moon are at right angles D. Earth and moon are at right angles Submitted by: Jameel Ahmed Solangi (Larkana...

2. Intrinsic Semi-conductor is also known as__________?

   A. Impure-Conductor B. Pure-Conductor C. Simple Conductor D. None of these Submitted by: Zahid Ameen...

3. Calcium sulphate is known as__________?

   A. Epsom salt B. Gypsum salt C. Blue vitriol D. Potash alum Submitted by: ABDUL HAYEE...

4. Vitamin B3 is also known as__________?

   A. Thiamine B. Riboflavin C. Niacin D. Retinol Submitted by: Irum perveen...

5. Cell or Tissue death within a living body is called as__________?

   A. Neutrophilia B. Nephrosis C. Necrosis D. Neoplasia Submitted by: Malik Asghar Hussain...

6. Vitamin B2 is also called as__________?

   A. Riboflavin B. Thiamine C. Ascorbic Acid D. Niacin Submitted by: Irum perveen...

7. An element that does not occur in nature but can be produced artificially is__________?

   A. Plutonium B. Uranium C. Radium D. Thorium Submitted by: WIQAR AHMAD...

8. Earthquakes occur most frequently at __________?

   A. Plate boundaries B. Plate surface C. Ocean beds D. All of the above Submitted by: Rashid Mehmood...

9. Refraction of sound can occur in:

   A. Water B. Air C. Both A & B D. None of these Submitted by: Sami Khan...

10. Gales occur when the wind moves at the speed of _____ ?

    A. 35 km/h B. 55 km/h C. 75 km/h D. 100 km/h Submitted by: Ali Mallah...