The energy stored in a stretched rubber band is an example of:
Anonymous Quiz
15%
Kinetic energy
68%
Potential energy
14%
Mechanical energy
2%
Thermal energy
Which of the following is an example of work being done?
Anonymous Quiz
9%
Holding a heavy object without moving it
13%
Pushing against a wall that doesn't move
71%
Lifting a box off the floor
7%
Sitting in a chair
A car engine generates 100 horsepower. What is the power output of the engine in watts?
Anonymous Quiz
50%
74.6 W
20%
73.6 W
20%
75.6 W
11%
76.6 W
“आज रास्ता बना लिया है तो कल मंजिल भी मिल जाएगी,
हौसलों से भरी यह कोशिश एक दिन जरूर रंग लाएगी।”
हौसलों से भरी यह कोशिश एक दिन जरूर रंग लाएगी।”
Which molecule carries genetic information in living organisms?
Anonymous Quiz
11%
RNA
83%
DNA
5%
Protein
1%
Carbohydrate
A change in the DNA sequence of an organism is called:
Anonymous Quiz
49%
Mutation
27%
Replication
15%
Translation
9%
Transcription
The genetic disorder caused by the presence of an extra chromosome 21 is called:
Anonymous Quiz
42%
Down syndrome
26%
Hemophilia
23%
Turner syndrome
9%
Cystic fibrosis
The process of gametes (sperm and egg cells) combining to form a zygote is called:
Anonymous Quiz
81%
Fertilization
13%
Meiosis
4%
Mitosis
2%
Replication
Which of the following is an example of a sex-linked genetic disorder?
Anonymous Quiz
26%
Sickle cell anemia
36%
Hemophilia
18%
Cystic fibrosis
20%
Huntington's disease
A container has 20 liters of a mixture of milk and water in the ratio 3:2. How much water should be added to make the ratio 2:3?
Anonymous Quiz
14%
6 liters
28%
8 liters
40%
10 liters
17%
12 liters
In what ratio must rice at Rs. 60 per kg be mixed with rice at Rs. 45 per kg to get a mixture worth Rs. 50 per kg?
Anonymous Quiz
14%
2:3
41%
1:2
29%
3:2
16%
3:4
A shopkeeper mixes two types of tea worth Rs. 40/kg and Rs. 50/kg in the ratio 3:2. What is the cost per kg of the mixture?
Anonymous Quiz
35%
Rs. 44
28%
Rs. 46
27%
Rs. 48
10%
Rs. 50
How many liters of pure water should be added to 10 liters of a 20% alcohol solution to make it a 10% solution?
Anonymous Quiz
20%
5 liters
32%
8 liters
40%
10 liters
9%
12 liters