List of top Botany Questions on Molecular Biology

निम्नलिखित में से कौन RNA polymerase II (यूकेरियोट) mRNA का संश्लेषण करता है?
Which of the following statements about lac-operon is correct ?
Arrange the meiotic stages in correct sequence.
When 54 molecules of \(CO_2\) are fixed by RuBisCo in a \(C_3\) plant, number of G3-P exported to cytosol and number of G3-P participating in regeneration respectively are:
Glycogen is a homopolymer made up of these units.
Characters related to ovule in Helianthus. \[ \begin{aligned} \text{I. Inverted} \\ \text{II. Curvature angle is }180^\circ \\ \text{III. Unitegmic} \\ \text{IV. Micropyle lies close to funicle} \end{aligned} \]
Match the following (List-I: Organism; List-II: Use in Biotechnology).
Choose the correct statements among the following: A) Transcriptase catalyzes the polymerization in 5' $\rightarrow$ 3' direction only and the 3' $\rightarrow$ 5' strand is referred to as template. B) The chemical method of Khorana was instrumental in the synthesis of homopolymers of RNA. C) tRNA amino acid acceptor end has bases complementary to the code. D) 23s r-RNA in bacteria is a ribozyme.
Assertion (A): The genetic material should be stable enough not to change with different stages of life cycle, age, with change in physiology of organism. Reason (R): stability of genetic material is clearly evidenced with transforming principle.
Choose the incorrect statement of the following:
Arrange the different phases of photosynthesis in the correct sequence. A. Capturing the solar energy B. Formation of higher-energy organic intermediates C. Splitting of water and release of oxygen D. Fixation of CO2 into 3-phosphoglycerate E. Reduction of phosphoglycerate into glyceraldehyde-3-phosphate. Choose the correct answer from the options given below:
As regards transcription, the prototype enhancer discovered in the animal virus SV40 is a sequence of __________ base pairs.
The DNA sequence that determines/indicates where a genetic sequence can be read and decoded, is called ____.
The eukaryotic signal recognition particle consists of ____.
Which one is known as ochre ?
Which one is a structural gene in tryptophan operon ?
In general, the smallest RNA is __________.
The DNA that shows left-handed coiling, contains 12 base pairs per turn and has a pitch of 69 Å is known as __________ DNA.
Klenow fragment is derived from __________.
Which one is correct about transcription ?
Who developed techniques in early 1960s to chemically synthesize polynucleotides ?
A genetic code, in which two or more codons specify for a single amino acid, is called __________.
Out of total 64 codons in protein synthesis, how many do not specify for amino acids ?
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
Given diagram shows a pair of homologous chromosomes during meiosis. Maximum crossing over will occur between genes