Observe the figure and answer the following questions

Match List I with List II

LIST I (Name of the structure)	LIST II (LABEL)
A. Graafian Follicle	I. B
B. Primary Follicle	II. D
C. Corpus Luteum	III. A
D. Ovum	IV. E

Choose the correct answer from the options given below:

Arrange the steps of xerarch succession in a proper sequence.
A. Appearance of bryophytes
B. Forest community
C. Invasion of lichen on a bare area
D. Appearance of shrubs
Choose the correct answer from the options given below:

Steps of replication of retrovirus (HIV) in the host cell are given below. Arrange the steps in correct sequence.
(A) Viral RNA is introduced in host cell
(B) New viruses with new RNA are produced
(C) Viral DNA is produced by reverse transcription
(D) Viral DNA incorporates into host genome
(E) Virus infects the normal cell
Choose the correct answer from the options given below:

Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services?

Read the given paragraph and answer the given question :
Parasitism has evolved in many taxonomic groups from plants to higher vertebrates. Many parasites have evolved to be host specific in such a way that both host and the parasite tend to co-evolve. In accordance with their life styles, parasite evolve special adaptations and complex life cycle. Identify the statements which are not correct regarding host–parasite relationship:
(A) Host and parasite co-evolve.
(B) Parasite develops a main nervous system to survive.
(C) If host rejects parasite, parasite evolves counter-mechanisms to neutralize host defenses.
(D) If host rejects parasite, parasite succeeds by shifting to another host.
Choose the correct answer from the options given below:

Match List-l with List-II

List-l	List-II
(A) Bt Cotton	(I) Functional ADA CDNA
(B) Method of Cellular defense	(II) 'A' peptide
(C) Genetically engineered insulin	(III) RNAi
(D) Gene therapy	(IV) Insecticidal protein

Choose the correct answer from the options given below:

Match List-I with List-II

List-I (Characteristics)	List-II (Examples)
(A) Symbiotic association with roots of leguminous plants	(I) Glomus
(B) Fixes atmospheric nitrogen while free living in the soil	(II) Rhizobium
(C) Symbiotic association of fungi and plants	(III) Anabaena
(D) Cyanobacteria which can fix atmospheric nitrogen	(IV) Azotobacte

Choose the correct answer from the options given below:

Match List-l with List-ll

List-l (Microbes)	List-II (Products or uses)
(A). Trichoderma polysporum	(I). Blood cholesterol lowering agent
(B). Streptococcus	(II). Citric acid
(C). Aspergillus niger	(III). Clot buster to remove blood clots
(D). Monascus purpureus	(IV). Cyclosporin A

Choose the correct answer from the options given below:

Which one of the following diagnostic techniques is based on the principle of antigen-antibody interaction?

Acidified potassium dichromate oxidises iodides to \(\underline{X}\), sulphides to \(\underline{Y}\) and tin (II) to \(\underline{Z}\). \(X\), \(Y\) and \(Z\) respectively are:

If a straight conductor of length 0.5 m is moved with a speed of \( 6 \text{ m s}^{-1} \) perpendicular to direction of a magnetic field of \( 1 \text{ Wb m}^{-2} \), the emf induced is :

In the extraction of metallic Zn from calamine ore \(\left( ZnCO _3\right)\) following steps are involved :
(A) Distillation of impure Zn
(B) Calcination of the ore
(C) Hydraulic washing of ore
(D) Reduction of ZnO using coke
Choose the correct order of steps from the options given below :

The least distance of distinct vision of a person is 50 cm. He wants to read a book placed at 25 cm. The focal length of the spectacles would be :