All questions
- What is the role of RNA polymerase III in the Process of transcription in eukaryotes ? (1) Transcribes only snRNAs (3) Transcribes tRNA, 5s rRNA and snRNA 2
- In some members of Which of the following pairs of families, pollen grains retain their viability for months after release (1) Rosaceae ; Leguminosae 2
- Which of the following statements is correct? (1) Some of the organisms can fix atmospheric (3) Fusion of protoplasms between two motile on non-motile gametes is called Plasmogamy. 1
- Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction) (2) Denaturation, Annealing, Extension 2
- Which of the following is not an application of PCR (Polymerase Chain Reaction)? (1) Detection of gene mutation (2) Molecular diagnosis (4) Purification of isolated protein 2
- Amensalism can be represented as: (1) Species A (+); Species B (0) (2) Species A (–); Species B (0) 2
- Which of the following are not secondary metabolites in plants? (1) Rubber, gums (2) Morphine, codeine (3) Amino acids, glucose (4) Vinblastin, curcumin (3) Amino acids, glucose is the correct option 2
- The plant hormone used to destroy weeds in a field (1) IBA (2) IAA (3) NAA (4) 2,4-D 2,4-D : The plant hormone used to destroy weeds in a field 2,4-D 1
- When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as Metacentric :: When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as Metacentric 1
- In the equation GPP – R =NPP R represents: (1) Respiration losses (2) Radiant energy (3) Retardation factor (4)Environment factor (1) Respiration losses is correct option 2
- Complete the flow chart on central dogma. (1) (a)-Transduction; (b)-Translation; (c)-Replication; (d)-Protein (2) (a)-Replication; (b)-Transcription; (4) (a)-Replication; (b) Transcription (c)-Translation; (d)-Protein 1
- Match List -I with List - II. (a) Protoplast fusion (i) Totipotency Correct option: (2) (ii) (i) (iv) (iii) 2
- Match List -I with List - II. (a) Cristae (i) Primary constriction in chromosome Correct option: (3) (iii) (iv) (i) (ii) 2
- When gene targetting involving gene amplification is attempted in an individual’s tissue to treat disease, it is known as : (1) Safety testing (2) Biopiracy (3) Gene therapy is correct option 2
- Which of the following algae contains mannitol as reserve food material? (1) Ulothrix (2) Ectocarpus (3) Gracilaria (4) Volvox (2) Ectocarpus is the correct option 2
- Which of the following statements in not correct? (1) Pyramid of numbers in a grassland ecosystem is upright. (3) Pyramid of biomass in sea is generally upright 2
- The first stable product of CO2 fixation in sorghum is: (1) Phosphoglyceric acid (2) Pyruvic acid (3) Oxaloacetic acid (4) Succinic acid Oxaloacetic acid :: The first stable product of CO2 fixation in sorghum is: Oxaloacetic acid 1
- Which of the following stages of meiosis involves division of centromere? (1) Telophase II (2) Metaphase I (3) Metaphase II (4) Anaphase II Anaphase II:: Anaphase II stages of meiosis involves division of centromere 1
- Match List -I with List - II. (a) Lenticels (i) Phellogen Correct option: (2) (iii) (i) (iv) (ii) 2
- The amount of nutrients, such as carbon, nitrogen, phosphrous and calcium present in the soil at any given time, is referred as: Standing state :: The amount of nutrients, such as carbon, nitrogen, phosphrous and calcium present in the soil at any given time, is referr... 1
- The site of perception of light in plants during photoperiodism is: (1) Leaf (2) Shoot apex (3) Stem (4) Axillary bud The site of perception of light in plants during photoperiodism is Leaf 1
- Which of the following plants is monoecious? (1) Cycas circinalis (2) Carica papaya (3) Chara (4) Marchantia polymorpha chara:: Chara is monoecious plant 2
- Plants follow different pathways in response to environment or phases of life to form different kinds of structures. Plasticity :: Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This abil... 1
- Which of the following algae produce Carrageen? (1) Blue-green algae (2) Green algae (3) Brown algae (4) Red algae 4) Red algae Red algae algae produce Carrageen 2