General Science - Online Test
Q1. A particle executes SHM of time period T, the time period with which the total energy changes is
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. Reaction of carbon monoxide gas of syngas mixture with steam in the presence of catalyst is called
Answer : Option C
Explaination / Solution:
The water gas shift reaction converts carbon monoxide and water to carbon dioxide and hydrogen. The reaction is catalysed by a number of different base metal catalysts, depending on the operating temperature and levels of poisons in the feedstock.
Q3. Which one of the following pair is incorrectly matched in respect to the "crop varieties for disease resistance"?
Answer : Option D
Explaination / Solution:
Wheat plants are generally not infected by leaf and stripe rust. Common disease of wheat includes rust and smut disease. Wheat plants are not develop resistance for leaf and stripe rust.
Q4. A bar magnet of magnetic moment 1.5 J/T lies aligned with the direction of a uniform magnetic field of 0.22 T. What is the amount of work required by an external torque to turn the magnet so as to align its magnetic moment opposite to the field direction?
Answer : Option D
Explaination / Solution:
No Explaination.
Q5. Shape of the wave front of portion of the wave front of light from a distant star intercepted by the Earth
Answer : Option A
Explaination / Solution:
Stars are very far away from earth.Near the star the shape is spherical but by the time its light reaches earth the portion of the wavefront is plane due to increase in radius.
Q6.
Read the following statements:
i) Insects are essentially absent from the sea.
ii) The species diversity on land is generally considerably lower than oceans.
Answer : Option C
Explaination / Solution:
Insects are essentially absent from the sea because insects respire using trachea from air.The species diversity on land is generally considerably higher than ocean therefore, statement ii is incorrect.
Q7. Blue solution of CuSO4 becomes darker when treated with ammonia because
Answer : Option C
Explaination / Solution:
Ammonia forms stable complex with Cu2+
Q8.
Match the following :
| Disease | Hormone source responsible |
| a) Cushion syndrome | i) hyposecretions from pars nervosa |
| b) Diabetes mellitus | ii) hyposecretion of mineralocorticoids |
| c) Diabetes insipidus | iii) hyposecretion of glucocorticoids |
| d) Addison’s disease | iv) hyposecretion from beta cells of pancreas |
Answer : Option A
Explaination / Solution:
Cushing’s syndrome occurs hypo-secretion of glucocorticoids hormone. Diabetes mellitus is due to hypo-secretion of beta cells of pancreas. Diabetes insipidus is due to hypo-secretion form pars nervosa and Addison’s disease is due to hypo-secretion of mineral corticoids.
Q9. Which one of the following do not belonging to Urochordata?
Answer : Option B
Explaination / Solution:
Lancelets are classified in the phylum Chordata , subphylum Cephalochordata. lancelet, name for small, fishlike lower chordate also called amphioxus it shows many affinities with the vertebrates. There are about 30 lancelet species, most belonging to the genus Brachiostoma (formerly Amphioxus ). Lancelets are usually about 1 in. (2.5 cm) long, with transparent bodies tapered at both ends. There is no distinct head and no paired fins.
Q10. One of the various qualitative instruments used by the central bank in during deflation is
Answer : Option C
Explaination / Solution:
No Explaination.
