The hormone responsible for milk ejection during lactation is:

In Sickle-cell anemia the substitution of amino acid in the globin protein results due to the single base substitution at the sixth codon of the \beta-globin gene from _________.

Match List - I with List - II.

List - I	List - II
(A) Australian marsupials	(I) Homologous organs
(B) Wings of butterfly and wings of a bird	(II) Natural selection
(C) Industrial melanism	(III) Adaptive radiation
(D) Forelimbs of Horse and Bat	(IV) Analogous organs

Read the passage and answer the question : There are thousands of varieties of rice in India alone. The diversity of rice in India is one of the richest in the world. Basmati rice is distinct for its unique aroma and flavour and 27 documented varieties of Basmati are grown in India. There is reference to Basmati in ancient texts, folklore and poetry, as it has been grown for centuries. Several attempts have also been made to patent uses, products and processes based on Indian traditional herbal medicine, e.g. turmeric, neem. There has been growing realisation of the injustice, inadequate compensation and benefit sharing between developed and developing countries. The Indian Parliament has recently cleared a Bill that takes such issues into consideration, including patent terms emergency provisions and research and development initiative.
How many varieties of rice India has?

Which one of the following statement is incorrect about ecological pyramids?

Which one of the following hormones is produced only during pregnancy?

In which type of RNA, methyl guanosine triphosphate capping is added to 5'-end ?

A coin is tossed 7 times. The probability of getting at least 4 heads is:

Which of the following correctly expresses the equation for species- area relationships? Where( S=Species richness, A=Area, Z=slope of line (regression coefficient), C=Y- intercept

A cistern can be filled by an inlet pipe in 20 hours and can be emptied by an outlet pipe in \(2 5\) hours. Both the pipes are opened. After \(1 0\) hours, the outlet pipe is closed, the total time to fill the tank is :

The power of a biconvex lens is 12 D and the radius of curvature of each surface is 10 cm. The refractive index of the material of the lens is

Arrange the phases of the menstrual cycle according to their occurrence.
(A) Follicular Phase
(B) Menstruation
(C) Luteal Phase
(D) Ovulation
Choose the correct answer from the options given below:

Which of the following statements are correct?
A. Mutual inductance between two coils does not depend upon shape and size or orientation of two coils.
B. In an AC generator mechanical energy is converted into electrical energy.
C. The direct current can be stepped up and stepped down with a transformer.
D. Lenz's law is a consequence of conservation of energy.