General Science - Online Test
Q1. The epithelium found in proximal convoluted tubule (PCT) of nephron in the kidney is
Answer : Option A
Explaination / Solution:
The cuboidal epithelium is composed of a single layer of cube-like cells found in ducts of glands and tubular parts of nephrons in kidneys and its main functions are secretion and absorption.
Q2. Who divided animals into two group based on the presence and absence of red blood cells?
Answer : Option D
Explaination / Solution:
Aristotle used simple morphological characters to classify plants into trees, shrubs and herbs. He also divided animals into two groups, those which had red blood and those that did not.
Q3. The process of removal of import restrictions which began in 1991 completed in phased manner with the removal of restrictions on
Answer : Option C
Explaination / Solution:
After 1991, India's trade policy was to encourage exports and removal of government control on imports. An important element of the changes in India's trade policy was the removal of quantitative restriction on imports under which 715 items were freed of quantitative restrictions.
Q4. If the Supply of foreign exchange rises, demand schedule remaining the same, the exchange rate will rise. It is
Answer : Option C
Explaination / Solution:
No Explaination.
Q5. the positive square-root of the arithmetic mean of the Square of the deviations of the given observation from their arithmetic mean is called
Answer : Option B
Explaination / Solution:
Standard Deviation is the positive square root of the mean of squared deviations from mean. So if there are five values x1, x2, x3, x4 and x5, first their mean is calculated. Then deviations of the values from mean are calculated. These deviations are then squared. The mean of these squared deviations is the variance. Positive square root of the variance is the standard deviation.
Q6.
Match the following :
| Hormone | Nature |
| a) Parathormone | i) Polypeptide |
| b) Oxytocin | ii) Amino acid Derivative |
| c) Sex hormone | iii) Peptide |
| d) Norepinephrine | iv) Steroid |
Answer : Option C
Explaination / Solution:
Parathormoneis a polypeptide hormone. Oxytocin is peptide hormone. Sex hormone is a steroid hormone and Norepinephrine is a amino acid derivative.
Q7. The average distance a molecule can travel without colliding is called the
Answer : Option A
Explaination / Solution:
the mean free path is the average distance traveled by a moving particle (such as an atom, a molecule, a photon) between successive impacts (collisions), which modify its direction or energy or other particle properties
Q8. How Infrastructure contributes to economic development of a country
Answer : Option A
Explaination / Solution:
Infrastructure contributes to economic development of a country both by increasing the productivity of the factors of production and improving the quality of life of its people.
Q9. Under which type of activity will you classify the sale of shares of another company while preparing cash flow statement?
Answer : Option C
Explaination / Solution:
Sale of shares of other company are part of investment which is now sold by the company. It is sale of investment, so it will take place in investing activity.
Q10. Isobars are the atoms with
Answer : Option C
Explaination / Solution:
Isobars are atoms (nuclides) of different chemical elements that have the same number of nucleons. Correspondingly, isobars differ in atomic number (or number of protons) but have the same mass number.
