Two different sex chromosomes, designated as Z and W involved in sex determination are found in:

According to the IUCN, the total number of plant and animal species is about :-

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.
Match Column I with Column II

Column I	Column II
(A) ZIFT	(I) Sperm injected into ovum
(B) ICSI	(II) Embryo in uterus
(C) IUI	(III) Embryo in fallopian tube
(D) IUT	(IV) Semen in uterus

Choose the correct answer from the options given below

Arrange the following events of embryo development occuring after fertilisation in the correct sequence.
A. Attachment of blastocysts with uterine endometrium
B. Formation of morula
C. Formation of blastocyst
D. Cleavage in the zygote
Choose the correct answer from the options given below:

Okazaki fragments are formed during DNA replication on the:

Jawless fish probably evolved around:

Sex chromosomes of female in chicken are:

The inequality \(\frac{5 x-2}{3}-\frac{7 x-3}{5}>\frac{x}{4}\) holds when

Fertilization in human female takes place in -

The marginal cost of production of \(X\) units of a commodity is \(56+\frac{3}{2} x\).
It is known that fixed costs are Rs.115.
Then the total cost of producing 50 units is :-

If the minimum value of the objective function \(Z=a x+b y\) of an LPP occurs at two points \((3,5)\) and \((5,3)\), then

Dispersed phase and dispersion medium in clouds are ___________ respectively.

Bt toxin produced by Bacillus thuringiensis is resistant to :