General Science - Online Test

Q1. The oxidation state of Ag in tollen’s reagent is
Answer : Option A
Explaination / Solution:

oxidation state of Ag in tollen’s reagent is +1.

Q2. The total energy of a circularly orbiting satellite is
Answer : Option D
Explaination / Solution:

When a satellite revolves around a planet in its orbit, it possesses both potential energy (due to its position against the gravitational pull of earth) and kinetic energy (due to orbital motion).


Hence we can say that total energy of circularly orbiting satellite is negative.


Q3. Shekhar is 3 years old and he lives in hilly areas. He has swollen neck :

i. He is suffering from goitre caused due to iodine deficiency which may lead to cretinism.
ii. Goitre may lead him to myxoedema and Grave’s disease in future.
Answer : Option B
Explaination / Solution:

The persons living in hilly areas generally suffer from goiter disease. Goiter is caused due to iodine deficiency which may leads to cretinism. Goiter never leads to myxedemaor hypothyroidism.

Q4. In the primary batteries
Answer : Option C
Explaination / Solution:

Primary batteries cannot be recharged and reused.

Q5. Animals which possess cleidoic egg exhibit
Answer : Option D
Explaination / Solution:

The cleidoic egg is the type of egg which reptiles and birds lays. These eggs exhibit internal fertilization and external development.

Q6. Which of the following is not a semiconductor?
Answer : Option D
Explaination / Solution:

Materials that have the resistance levels between those of a conductor and an insulator are referred to as semiconductors. They are quite common, found in almost all electronic devices. Good examples of semiconductor materials are germanium, selenium, and silicon. Radium is a chemical element with symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals.

Q7. The break- even point where TR=TC, the firm cannot earn abnormal profits
Answer : Option C
Explaination / Solution:
No Explaination.


Q8. Cash reserve ratio is a percentage of total deposits which the central bank keeps with the commercial banks by law.
Answer : Option B
Explaination / Solution:
No Explaination.


Q9. ____ are specialized type of averages
Answer : Option D
Explaination / Solution:

An index number is a specialised type of average. An average is a single figure representing a group of figures. Averages are used to compare two or more series as they represent their central tendencies.

Q10. Which of the following is a primary sex organ of female?
Answer : Option A
Explaination / Solution:

Ovary is the primary sex organ of female reproductive system in human beings. Egg is released from one of the ovary each month. It also release hormone. The secondary sex organs in a female are fallopian tubes, uterus, and vagina.