Biology - Online Test

Q1. The techniques of using live organisms of enzymes from organism to produce products and processes useful to human is called
Answer : Option A
Explaination / Solution:

Biotechnology is the use of living systems and organisms to develop or make products, or "any technological application that uses biological systems, living organisms, or derivatives thereof, to make or modify products or processes for specific use".

Q2. The refractive index of four substances A, B, C and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in
Answer : Option A
Explaination / Solution:
No Explaination.


Q3. Blood enters glomerular capillaries through _____ arteriole and leaves through _____ arteriole:
Answer : Option A
Explaination / Solution:

The blood plasma is filtered through the capillaries of the glomerulus into the capsule. The Bowman's capsule empties the filtrate into the proximal tubule that is also part of the duct system of the nephron. A glomerulus receives its blood supply from an afferent arteriole of the renal circulation

Q4. Select the wrong statement from the following:
Answer : Option D
Explaination / Solution:
No Explaination.


Q5. Evolution is
Answer : Option C
Explaination / Solution:

Evolution is the gradual change of race due to variation is course of time. It is the history and development of race along with variations. Evolution is a continuous process and takes millions of years to evolve a new species.

Q6. Restriction enzymes are
Answer : Option D
Explaination / Solution:
No Explaination.


Q7. Hershey and Chase experiment with bacteriophage showed that
Answer : Option B
Explaination / Solution:
No Explaination.


Q8. The tissue present in all organs of plant is
Answer : Option D
Explaination / Solution:

Generally all the organs of plant are made up of parenchyma cells.

Q9. The water potential of pure water is
Answer : Option D
Explaination / Solution:
No Explaination.


Q10. The value of universal gas constant
Answer : Option D
Explaination / Solution:
No Explaination.