Question

Select the correct Option:
(0.5 x 16 =)
1. A body is thrown vertically upwards with velocity u, the greatest height h to which it will rise is
a) ug
c) 2g
b) ug
2. Which would require a greater force, accelerating a 9 kg body at 4 ms or a 4 kg body at 8 ms
a) Accelerating a 9 kg body
c) Accelerating a 4 kg body
b) Both will require same force.
d) Can be determined
3. The numerical ratio of distance to displacement for a moving oject is
a) Always less than 1
c) Always greater than
b) Equal or greater than 1
d) Greater than
4. The slope of velocity-time graph gives a physical quantity which has the unt
b) m/s ?
5. Cyclist is pedalling his cycle at a constant velocity of 3 He applies brakes and stop the cycle in s
What is the average force of brakes it mass of cycle and the cyclist together is 80 kg
a) 80N
b) 80N
c) 40 N
d) ON
6. if the velocity of a body is directly proportional to the time then the sceleration of the body in
a) Constant b) increases uniformly c) decreases tomly d) wamble
7. The inertia of an object tends to cause the object
a) To increase its speed
c) To decrease its speed
b) To resist any change in its state of motion
d) To deve leute due to friction
8. If the displacement of an object is proportional to square of lume, then the object moves with
a) Uniform velocity
c) Uadio acusleration
b) Increasing acceleration
d) Decreasing aceleration
9. Which of the following is not a mixture :
(a) Kerosene b) am
c) akobol
d) petrol
10. In water, the proportion of oxygen and hydrogen by mass is:
b) 18
11. Which of the following represents a corect chemical formula?
(a) Caci b) Na3N
c) NuSO4
12. Which of the following is not metallid
(a) Boron (b) silicon
13. Who coined the term 'cell?
a) Huxley b) Robert Brown
c) Vichow
d) Robert Hooke
14. Which connective tissue work as a insulator in polar bear?
a) Adepose connective tissue
c) Areolar connective tissue
b) Blood
d) Ligaments
15. A person met with an accident in which two long bones of hand were dislocated. Which among the
following may be the possible reason?
a) Tendon break
c) Ligament break
b) Areolar tissue break
d) Break of skeletal muscle.
16. What is the smaller unit of 80S ribosomes :
a) 305
b) 408
c) 50S
d) 605
(c) Nas​

Answer 1

Answer:

a) ug

Explanation:

c) Accelerating a 4 k

b) Equaa) 80Nl or greater than 1g body