Panspermia, an idea that is still a favourite for some astronomers, means:
Why CNG is considered better fuel than diesel?
(a) It can not be adulterated.
(b) It takes less time to fill the fuel tank
(c) It burns more efficiently.
(d) It is cheaper.
(e) It is less inflammable.
Choose the most appropriate answer from the options given below :
Which of the following statements are correct with respect to vital capacity?
(a) It includes ERV, TV and IRV
(b) Total volume of air a person can inspire after a normal expiration.
(c) The maximum volume of air a person can breathe in after forced expiration.
(d) It includes ERV, RV and IRV.
(e) The maximum volume of air a person can breath out after a forced inspiration.
Choose the most appropriate answer from the options given below :
How many secondary spermatocytes are required to form 400 million spermatozoa?