Arrange the following cells in correct sequence of oogenesis:
(A) Secondary oocyte
(B) Oogonia
(C) Primary oocyte
(D) Ovum
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Match List I with List II

List - I	List - II
(A) Bacillus thuringiesis	(I) Synthetic Human Insulin
(B) Agrobacterium	(II) ADA gene therapy
(C) E. Coli	(III) Cry gene
(D) Retroviral Vector	(IV) Vector carrying nematode-specific genes

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In your opinion, which is the most effective way to conserve the plant diversity of an area?

Read the following passage carefully.
Restriction enzyme
Restriction enzymes cut the strand of DNA a little away from the center of the palindrome sites, but between the same two bases on the opposite strands. This leaves single stranded portions at the ends. There are overhanging stretches called sticky ends on each strand. These are named so because they form hydrogen bonds with their complementary cut counterparts. This stickiness of the ends facilitates the action of the enzyme DNA ligase. The word palindromes refer to group of letters that forms the same words when read both forward and backward. Restriction endonucleases are used in genetic engineering as molecular scissors.
Which one of the following enzyme helps to join DNA?

Identify the primary lymphoid organs, where immature lymphocytes differentiate into antigen sensitive lymphocytes.
(A) Bone marrow
(B) Spleen
(C) Thymus
(D) Appendix
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Which of the following are autosomal recessive trait/ disorder?
(A) Thalassemia
(B) Haemophilia
(C) Sickle cell anaemia
(D) Phenylketonuria
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The condition where one species is harmed whereas the other is unaffected is called.

When the electronic configuration of a transition metal element \(X\) in +3 oxidation state is \([ Ar ] 3 d^5\), what is its atomic number?

The storage battery of a car has an emf of 10 V. If the internal resistance of the battery is \( 0.2 \Omega \), then the maximum current that can be drawn from the battery is

Assume an electric field \( \vec{E} = 30x \, \hat{i} \) exists in space. If \( V_0 \) is the potential at the origin and \( V_A \) is the potential at \( x = 2 \) m, then the potential difference \( V_A - V_0 \) is:

Identify the correct statement(s) among the following:
(A) The time taken by a light wave is \( 5 \times 10^{-9} \text{ s} \) to travel a thickness of 1 cm of glass having refractive index 1.5.
(B) Two similar waves of amplitude 3 mm and 5 mm reach a point in the same phase. The resultant amplitude will be 8 mm.
(C) Two waves of amplitude 2 mm each reach a point with a phase difference of \( \pi/2 \). The resultant amplitude is zero.
(D) If one of the slits is closed in Young's double slit experiment, the interference pattern will disappear.
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Match the properties given in List-l with the metals given in List-ll

List-l Name of vitamins	List-II Deficiency disease
(A) Vitamin C	(I) Night blindness
(B) Vitamin K	(II) Rickets
(C) Vitamin D	(III) Increased blood clotting time
(D) Vitamin A	(IV) Scurvy

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The correct arrangement of electromagnetic spectrum in decreasing order of wavelength is :