List of top Botany Questions on Molecular Biology asked in TS EAMCET

Chromosomes number in endosperm cell of ``X'' plant and the chromosomes number of gamete of plant ``Y'' are equal. Plants X and Y respectively are

Given diagram shows a pair of homologous chromosomes during meiosis. Maximum crossing over will occur between genes

Identify correct statements from the following:
I. In pineapple fruit is syconus and fleshy peduncle is edible
II. In rice fruit is caryopsis and endosperm is edible
III. In coconut fruit is drupe and mesocarp is edible
IV. In cashew fruit is nut and cotyledons, false fruit are edible

Identify the functions not related to Cytoskeleton?
I. Mechanical support
II. Cell motility
III. Intercellular transport
IV. Mesosome formation

Resistance to yellow mosaic virus and powdery mildew were induced by mutations in:

Identify the correct statements with regard to Golgi apparatus
I. Convex side is called cis or forming face
II. Concave side is called trans or maturing face
III. Cisternae of Golgi can modify proteins
IV. Materials enter through trans face and are released through cis face

Find out the correct combinations from the following:

In the given representation of C3 cycle, identify A, B and C and select the correct option

Zygomorphic flowers showing imbricate aestivation are present in

Bt toxin kills insects by

Which of the following statements are correct about viroids?

Tetracycline resistance gene of PBR322 shows recognition site for which restriction enzyme?

Match the following

Which seeds cannot germinate and establish without the presence of mycorrhizae?

Consider the following statements:
Assertion (A): Seed dormancy may be caused by hard seed coats in Fabaceae
Reason (R): Such type of seed dormancy can be broken by stratification

Consider the following statements:
Assertion (A): Seed dormancy may be caused by hard seed coats in Fabaceae
Reason (R): Such type of seed dormancy can be broken by stratification

Which seeds cannot germinate and establish without the presence of mycorrhizae?

Tetracycline resistance gene of PBR322 shows recognition site for which restriction enzyme?

The site of transcription and translation in eukaryotic cells are respectively:

Given is the schematic structure of the transcription unit. Select the correct answer regarding A, B, C, and D:

Match the following:

Identify the correct definitions of the following molecular biology terms:
I. Splicing = Removal of introns
II. Capping = Addition of unusual methyl guanosine triphosphate added to 5" end of hn RNA
III. Tailing = Deletion of adenylate residues at 3'end of hn RNA
IV. Anticodon= Specifies termination of polynucleotide chain

Assertion (A): Protoxin of Bacillus thuringensis become active in gut of insects.
Reason (R): Alkaline pH of intestine gut solubilizes the crystals of toxin to make it active.