List of top Botany Questions on Model organisms for functional genetics and genomics

Thermostable DNA polymerase (Taq Polymerase) enzyme is isolated from the following bacterium:

UUU, CCC, AAA, GGG are the codons codes for the following amino acids respectively:

Match the following:

List-1:
• A Direct ELISA
• B Indirect ELISA
• C EEG
• D CAT
List-2:
• I Antibodies
• II Brain
• III Antigens
• IV Tomogram
• V Heart

In Morgan’s experiments on linkage in Drosophila, the percentage of white-eyed, miniature-winged recombinants in the F\(_2\) generation is:

Tetracycline resistance gene of pBR322 consists of this restriction site:

Find out the correct statements among the following: A. DNA is (-Ve) charged, Histone proteins are (+Ve) charged.
B. DNA is (+Ve) charged, Histone proteins are (-Ve) charged.
C. Euchromatin is transcriptionally active.
D. Euchromatin and heterochromatin both are transcriptionally inactive.

If one species diverges to become two or more species, it is called:

Match the following:

Hardy-Weinberg law is applicable to:

Assertion (A): Continued close breeding usually reduces fertility and even productivity.
Reason (R): Inbreeding depression.

Identify the correct statements among the following:

A. RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defense.
B. Bt-toxin gene, CryIIAb controls cotton bollworms.
C. Mycorrhiza helps the plants for more absorption of potassium.
D. Elusion is a technique of extracting separated bands of DNA from agarose gel.

Use of microbes to remove the toxic (waste) substances that are released into the environment is:

Identify the correct combinations:

If sex index ratio in Drosophila is 0.33, the sexual phenotype of it is:

The table given below is related to the checkerboard of dihybrid F\(_2\) progeny of Mendel’s experiment. Identify the correct combinations:

Match the following:

The percentage of 'ab' genotype gametes produced by ‘AaBb’ parent plant is:

Study the following and pick up the correct statements:

I. Greater biodiversity is found in temperate regions
II. Invasion of alien species is a threat for local species
III. Loris tardigradus is one of the threatened species in our country
IV. A biographic region with significant reservoir of biodiversity that is under threat of extinction from humans is called a sanctuary

The key reaction catalysed by ribosomes for the formation of a peptide bond between two amino acids, is referred to as -

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): Cotton and linen textiles have long durability due to cellulose's side- by-side aggregates which form molecular cables.
Reasons (R): Durability of cellulose is due to a-(1-6) glycosidic bonds.
In the light of the above Statements, choose the most appropriate answer from the options given below:

Match List I with List II

	List I-(Fruiting body)		List II-(Sub-division/order)
A	Cleistothecium	I	Hemiascomycetes
B	Asci (naked)	II	Erysiphales
C	Apothecium	III	Pyrenomycetes
D	Perithecium	IV	Discomycetes

Choose the correct answer from the options given below:

The time interval between the formation of successive leaf primordia is termed as

False branching of thallus is observed in