Oral pills used by females for contraception consists of combination of:

Arrange the trophic levels in an order from lowest to highest in a terrestrial food chain:
(A). Wolf
(B). Grass
(C). Cow
(D). Lion
Choose the correct answer from the options given below:

Which of the following is correct in the context of haemophilia ?

Read the passage carefully and give the answers to the question :
India was amongst the first countries in the world to initiate action plans and programmes at a national level to attain total reproductive health as a social goal.
These programmes called 'family planning' were initiated in 1951 and were periodically assessed over the past decades. Improved programmes covering wider reproduction-related areas are currently in operation. Creating awareness among the people about various reproduction-related aspects and providing facilities and support for building up a reproductively healthy society are the major tasks under these programmes.
Which of the following statements is incorrect with respect to Medical Termination of Pregnancy?

Which one of the following drugs can not quickly reduce the symptoms of allergy?

(p+q)\(^2\) = p\(^2\) +2pq+q\(^2\)=1 represents Hardy Weinberg equation. It is used in:

The enzyme used to release DNA from bacterial cell is :

Which one of the followings is an auto-immune disease?

Two nuclei have mass numbers 125 and 27, respectively. The mass density ratio of their nuclei will be

Two capacitors of capacitances \(8 \mu F\) and \(20 \mu F\) are connected in series with a battery. The voltage across the \(8 \mu F\) capacitor is 5 V . The total battery voltage is:

An infinite line charge produces an electric field of \( 9 \times 10^6 \text{ N/C} \) at a distance of \( 20 \text{ cm} \). The linear charge density will be :

Which of the following is used as 'clot buster'?

The source of electrical energy on the Apollo moon flight was: