General Science - Mock Test 7

Question 61

The principle on which a Jet engine works is

A) conservation of mass B) Newtonian law of action and reaction C) conservation of angular momentum D) None of the above

---

No Details

Question 62

A man Jumping out of a moving train is thrown

A) forward B) backward C) sideways D) None of the above

---

No Details

Question 63

In which of the following will a piece of iron weigh most

A) in air B) in an atmosphere of oxygen C) in an atmosphere of CO₂ D) in vacuum

---

No Details

Question 64

Which of the following is not a forest product

A) Gum B) Plywood C) Sealing Wax D) Kerosene

---

No Details

Question 65

Which one of the following is not responsible for water shortage

A) Rapid growth of industries B) Increasing population C) Heavy rainfall D) Mismanagement of water resources

---

No Details

Question 66

During exhalation, the ribs

A) move outwards B) move downward C) move upward D) do not move at all

---

No Details

Question 67

Normal range of breathing rate per minute in an average adult person at rest is

A) 9-12 B) 15-18 C) 21-24 D) 30-33

---

No Details

Question 68

During heavy exercise, we get cramps in the legs due to the accumulation of

A) carbon dioxide B) lactic acid C) alcohol D) water

---

No Details

Question 69

In cockroaches, air enters the body through

A) lungs B) gills C) spiracles D) skin

---

No Details

Question 70

Which option best describes a tropical region

A) hot and humid B) moderate temperature, heavy rainfall C) cold and humid D) hot and dry

---

No Details