General Science - Online Test
Q1. Land area determine
Answer : Option A
Explaination / Solution:
Land area gives how much quantity of crop can be produce with a given land.
Q2. Which of the following phases in mitosis is in correct order?
Answer : Option D
Explaination / Solution:
- Mitosis. A four-stage process that creates two identical cells from one original cell.
- Prophase. The first and longest stage of mitosis. ...
- Metaphase. The second stage of mitosis. ...
- Anaphase. The third stage of mitosis. ...
- Telophase. The fourth and last stage of mitosis.
Q3. For an Infinite thin plane sheet of uniform surface charge density The magnitude of is
Answer : Option C
Explaination / Solution:
Electric field due to thin sheet— Let a thin sheet on which a charge q is distributed uniformly , let the Gaussian surface on both sides is in form of cylinder as shown in figure
(left) + (right)=$ =EA Cos0+EA Cos0=2EA
(left) + (right)=$ =EA Cos0+EA Cos0=2EA
Q4. Columns are loaded in
Answer : Option B
Explaination / Solution:
No Explaination.
Q5. E. coli carry resistance to
Answer : Option A
Explaination / Solution:
Bacterium E.coli carries resistance to antibiotic Fluroquitnolone due to presence of plasmid having extra nuclear DNA.
Q6.
Read the following statements about urine formation :
i. ultrafiltration doesn’t need any energy expenditure by kidney cells.
ii. selective reabsorption of glucose, water, urea, hormones, amino acids etc takes place through passive transport.
iii. PCT cells have many microvilli along with few mitochondria since most of nutrients are absorbed passively.
Answer : Option A
Explaination / Solution:
During urine formation, ultra filtration takes place in which energy is not required by cells of kidney. Selective reabsorption of glucose , water, salt etc. occurs actively and proximal convoluted tubules (PCT) do not have microvilli.
Q7. The spontaneous processes of nature are
Answer : Option B
Explaination / Solution:
Spontaneous processes are irreversible because they can be reversed only by taking a different path to get back to their original state. A reversible process can take the same path to return to its original state.
Q8. According to De Vries theory, evolution is
Answer : Option A
Explaination / Solution:
According to De Vries theory of evolution, the evolution is jerky and discontinuous as the variation due to mutation do not occurs continually. Mutation is sudden change in gene of organism.
Q9. The three states of matter of are in equilibrium at
Answer : Option A
Explaination / Solution:
Triple point is the point where all the three states coexist in equilibrium.
Q10. Hydronium ion concentration in molarity is more conveniently expressed on a logarithmic scale known as the
Answer : Option A
Explaination / Solution:
pH= -log[]
