List of practice Questions

In which of the following organisms, cell wall is not found in any stage?

Match the following: 

Match the following: 

Specialized epidermal cells surrounding the guard cells are:
Identify the incorrect pair:
Per one Calvin cycle, the number of CO\(_2\) molecules fixed, ATP utilized, and the number of Glucose, NADPH molecules produced respectively are:
Assertion (A): Beggiatoa is not a chemoautotrophic bacterium. Reason (R): Chemoautotrophic bacteria derive carbon from CO\(_2\) and energy from oxidation of inorganic compounds.
In Morgan’s experiments on linkage in Drosophila, the percentage of white-eyed, miniature-winged recombinants in the F\(_2\) generation is:
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
Tetracycline resistance gene of pBR322 consists of this restriction site:

Study the following and pick up the correct combinations: 

Flagellum in Peranema is:
The enzyme present in the gastric juice of infants is:
Chemically, oestrogens (oestradiol) are:
Karyotype of Klinefelter’s syndrome is:
Assertion (A): Direct pollination is found in gymnosperms.
Reason (R): Ovules of gymnosperms are naked.
Floral formula of Solanum nigrum:
In one helix of DNA, minimum and maximum number of hydrogen bonds present between nitrogen bases:
Cell organelles included in the endomembrane system are:
Identify the correct statement with reference to the diagram given below:
Understanding Water Potential
Assertion (A): Disulphide bridges help in stabilization of protein structure.
Reason (R): Sulphur forms disulphide bridges in the quaternary structure of proteins.
Match the following:
Carbon Counting in Organic Acids
Identify the correct combinations:
Dominant and Recessive Traits
Tetracycline resistance gene of pBR322 consists of this restriction site:
Match the following:
Scientific and Common Names