List of top Life Science Questions asked in CUET (PG)

Match the LIST-I with LIST-II
Match the LIST-I with LIST-II
Match the LIST-I with LIST-II
Match the LIST-I with LIST-II
Match the LIST-I with LIST-II
Match the LIST-I with LIST-II
Match the LIST-I with LIST-II
Which of the following are True with reference to rel tubules and collecting ducts?
A. Glomerular capsule possesses podocytes
B. PCT carries simple cuboidal epithelial cells with microvilli
C. DCT carries cells with receptors for ADH and aldosterone
D. DCT carries simple cuboidal cells with microvilli
E. PCT carries simple squamous epithelial cells
Match the LIST-I with LIST-II
Plant hormones regulate growth and development. Select the correct statements with reference to them.
A. Auxins regulate fruit ripening
B. Cytokinins promote cell differentiation and division
C. Gibberellins stimulate elongation in dwarf plants
D. Abscisic acid regulates seed dormancy and germition
Match the LIST-I with LIST-II
Most commonly used technique(s) for development of transgenic animals are:
A. Microprojectile
B. Retrovirus- mediated gene transfer
C. D- pronuclear microinjection
D. Electroporation
Which of the following statements are True?
A. Tetracycline inhibits protein synthesis through interference with the binding of aminoacyl-tR to 30S subunit of ribosome
B. Chloramphenicol inhibits protein synthesis by combining with the 50S subunit of ribosome
C. Erythromycin inhibits protein synthesis by binding on the 30S subunit of ribosome
D. Streptomycin inhibits protein synthesis by combining with 30S subunit of ribosome
Mutation and replication errors may impair the D. Repair of D can be achieved by which of the following methods?
A. Base- excision repair
B. Nucleotide- excision repair
C. Mismatch repair
D. Single break repair
The process of transcription in prokaryotes and eukaryotes differ by. Select the correct option(s):
A. In eukaryotes, there are at least three R Polymerase
B. In eukaryotes, the primary transcripts contain exon and intron
C. In prokaryotes, a single D dependent D polymer is involved
D. In prokaryotes, mR does not require processing to become active
Select the correct options for Telomerase:
A. Reverse Transcriptase
B. Majorly present in germ line cells
C. Add repeats of 5-20 kb length
D. Polymerase
Which of the following are True for modifying enzymes used in rD technology?
A. Alkaline phosphatase is used to attach a phosphate group
B. Termil deoxynucleotidyl transferase can remove termil phosphate group
C. Reverse transcriptase is used to generate cD
D. Polynucleotide kise is used to attach a phosphate group
Which of the following are reducing disaccharides?
A. Galactose
B. Maltose
C. Lactose
D. Trehalose
Coenzyme A serves as a carrier of activated acetyl or acyl group. Key enzymes involving Coenzyme A are:
A. Pyruvate dehydrogese
B. $\alpha$- Ketoglutarate dehydrogese
C. Thiokise
D. Glyceraldehyde 3 phosphate dehydrogese
The muscle contraction cycle consist of the following steps. Select the correct sequence.
A. ATP hydrolysis
B. Detachment of myosin from actin
C. Power stroke
D. Attachment of myosin to actin to form cross-bridge
Features held in common by prokaryotic and eukaryotic cells. Select the incorrect option(s)
A. Plasma membrane of similar construction
B. Cytoskeletal filaments built of proteins similar to actin and tubulin
C. Division of cells into nucleus and cytoplasm
D. Ability to ingest particulate material by phagocytosis
The correct sequence of sigl transmission at a chemical sypse:
A. Nerve impulse at syptic end bulb
B. Neurotransmitter molecules released
C. Binding of neurotransmitter molecules to their receptor
D. Postsyptic potential
E. Opens voltage gated Ca$^{2+}$ channels
Select the correct statements for D gel electrophoresis:
A. Small D fragments remain near to the well
B. Longer D fragments move towards the negative end of the gel
C. Longer D fragments remain near to the well
D. Smaller D fragments move towards the positive end of the gel
Select the correct order of steps involved in Nitrogen fixation by microbes:
A. Nitrification
B. Denitrification
C. Organic nitrogen degradation
D. Ammonification
E. Nitrite- formation
Steps involved in Translation. Select the correct order.
A. Formation of peptide bond between charged tR
B. Activation of amino acids in the presence of ATP
C. Release of the complete polypeptide
D. Linking of amino acid to their cogte tR