General Science - Online Test
Q1. Shifting cultivation practiced in India is called
Answer : Option B
Explaination / Solution:
Shifting cultivation practiced in India is called jhum cultivation in which forest is cleaned for agriculture practice and after few years this area is abandoned and another forest land is cleared.
Q2. The maximum oxidation state shown by any p-block element is
Answer : Option D
Explaination / Solution:
Maximum oxidation state of any p block element is the number of ionisable electrons which is equal to the sum of s and p electrons present in valence shell. For example valance shell electronic configuration of group 15 element is so max oxidation state is +5
Q3. Service holder is
Answer : Option A
Explaination / Solution:
No Explaination.
Q4. A long, hollow conducting cylinder is kept coaxially inside another long, hollow conducting cylinder of larger radius. Both the cylinders are initially electrically neutral.
Answer : Option A
Explaination / Solution:
When the charge is given to inner cylinder than there is an electric field is produced between cylinders which is given byand due to this a potential difference is developed between two cylinders.
Q5. In animal cells, Cytokinesis takes place by furrow deepening centripetally and formation of two daughter cells. This method is known as
Answer : Option D
Explaination / Solution:
In animal cell, cytokinesis takes place by furrow which appears at the margins of plasma membrane and gradually deepens towards the central part of the cell. Ultimately the furrow divides the cell into two halves. This method of cytokinesis is known as cleavage cytokinesis.
Q6. Genetic drift is found in
Answer : Option B
Explaination / Solution:
Genetic drift is found in small population with or without mutated genes. Loss of some member of species having small population leads to decrease in variation called genetic drift.
Q7. Plant and animal specimens may also be preserved as dry specimens in
Answer : Option A
Explaination / Solution:
Plant and animal specimens may also be preserved as dry specimens in museums. Hence, the correct option is Museum.
Q8. Natural method of birth control in which the couples avoid from coitus from day 10 to 17 of menstrual cycle is called
Answer : Option C
Explaination / Solution:
periodic abstinence is a natural method of birth control in which the couples avoid from sexual intercourse form day 10 to 17 of menstrual cycle during which ovulation takes place in female.
Q9. Three condensers of capacity 2 μF , 4 μF and 8 μF respectively, are first connected in series and then connected in parallel. The ratio of the equivalent capacitance in the two cases will be
Answer : Option D
Explaination / Solution:
Q10. Blood plasma contains ----------------- % water.
Answer : Option B
Explaination / Solution:
Blood consists of blood plasma, formed cells ( RBC, WBC, Platelets) along with sugar, proteins etc. Blood plasma contains about 90% water with a number of salts and few circulating hormones.
