The organism used for the industrial production of ethanol is:

Match List-l with List-II

List-l (Geological periods)	List-ll (Plant forms)
(A) Carboniferous	(I) Progymnosperms
(B) Cretaceous	(II) Monocotyledons
(C) Tertiary	(III) Gnetales
(D) Devonian	(IV) Seed ferns

Choose the correct answer from the options given below:

Match List-I with List-II

List-I (Structures)	List-II (Characteristics)
(A) Heterochromatin	(I) A set of positively charged basic proteins
(B) Nucleosomes	(II) Densely packed and inactive genetic material
(C) Histones	(III) Transcriptionally active genetic material
(D) Euchromatin	(IV) DNA is wrapped around the histone octamer to formthis structure

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In plants, continued self pollination results in

Read the paragraph given below and answer the question.
Sutton and Boveri argued that the pairing and separation of a pair of chromosomes would lead to the segregation of a pair of factors they carried. Sutton united the knowledge of chromosomal segregation with Mendelian principles and called it the chromosomal theory of inheritance. Following this synthesis of ideas, experimental verification of the chromosomal theory of inheritance by Thomas Hunt Morgan and his colleagues, led to discovering the basis for the variation that sexual reproduction produced. Morgan worked with the tiny fruit files, which were found very suitable for such studies. They could be grown on simple synthetic medium in the laboratory. They complete their life cycle in a short span of time and a single mating could produce a large number of progeny flies. Also, there was a clear differentiation of the sexes - the male and female flies are easily distinguishable. Also, it has many types of hereditary variations that can be seen with low power microscopes.
Cross performed between yellow bodied, white eyed females and brown bodied red eyed males of Drosophila results in:

Match List-I with List-II

List-I (Interspecific interaction)	List-II (Species A and B respectively)
(A) Commensalism	(I) - ; -
(B) Amensalism	(II) + ; -
(C) Competition	(III) + ; 0
(D) Predation	(IV) - ; 0

'+' = beneficial interaction; '-' = detrimental interaction; '0' = neutral interaction
Choose the correct answer from the options given below:

The second trophic level in an aquatic ecosystem is:

Read the following paragraph carefully and answer the given questions.
In the year 1963 the two enzymes responsible for restricting the growth of bacteriophage in E. coli were isolated. The first restriction endonuclease - Hind II, whose functioning depended on a specific DNA nucleotide sequence was characterized five years later. It was found that Hind II always cut DNA molecules at a particular point by recognizing a specific sequence of six base pairs. This specific base sequence is known as the recognition sequence for Hind II. Besides Hind II, today we know more than 900 restriction enzymes that have been isolated from over 230 strains of bacteria, each of which recognize different recognition sequences.
Restriction enzymes are also known as

If the net flux through a cube is \( \Phi = 1.05 \, N \, m^2 C^{-1} \), what will be the total charge inside the cube?
(Given: The permittivity of free space is \( \epsilon_0 = 8.85 \times 10^{-12} \, C^2 N^{-1} m^{-2} \)).

Which of the following combinations are correct?

Enzyme	Final product formed
A. Maltase	Glucose
B. Pepsin	Ammonia and \(CO _2\)
C. Urease	Amino acid
D. Zymase	Ethanol and \(CO _2\)
E. Diastase	Glucose

Choose the correct answer from the options given below :

If \(\vec{a} \cdot \vec{b}=\vec{a} \cdot \vec{c}, \vec{a} \times \vec{b}=\vec{a} \times \vec{c}\) and \(\vec{a} \neq \overrightarrow{0}\), then the vector \(\vec{b}\) is equal to:

Bioactive molecule, cyclosporin A, is produced by:

The unit of rate constant for first order reaction is: