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Which is the Cause of Damage referred to as Relative Biological Effectiveness?

1) High temperature 2) Low temperature 3) Pollution 4) Radiation Answer:4) Radiation Explanation: Relative Biological Effectiveness... View Article

Which of the Following Cuts the DNA at Specific Places?

1) Exonuclease 2) Ligase 3) Restriction endonuclease 4) Alkaline phosphatase Answer:3) Restriction endonuclease Explanation:... View Article

Peptidyl Transferase Enzyme of Eukaryotes is Synthesised by___.

Answer: The enzyme peptidyl transferase is a ribozyme that catalyses the formation of a peptide bond during protein synthesis. It is a catalytic... View Article

The Growing Size of the Human Population is a Cause of Concern, Justify.

Answer: The growth of the human population is a matter of concern. The increase in population has dramatically disturbed the environmental... View Article

Which Bacteria was First Used as a Biopesticide Commercially?

1)Escherichia coli 2)Bacillus thuringiensis 3) Agrobacterium tumefaciens 4) Pseudomonasaeruoginosa Answer:2)Bacillus thuringiensis... View Article

Antibodies are also Called as Immunoglobulins (Ig). They are Represented as H2L2. What Does ‘H’ and ‘L’ Represent?

Answer: Immunoglobulins or antibodies have a ‘Y’ shaped structure, having four polypeptide chains. They are represented as H2L2. The... View Article

Which of the Following Groups of Organisms are Categorised Under Protista as per Whittaker’s Classification?

1) Euglenoids 2) Chrysophytes and dinoflagellates 3) Slime moulds and protozoans 4) All of the above Answer:4) All of the above... View Article

In Which of the Given Processes, Both the Strands of Nucleic Acid Act as Template?

1) Replication 2) Translation 3) Transcription 4) All of the above Answer:1) Replication Explanation: During replication, both strands... View Article

The Technique Used in the Production of Flavr Savr Tomato is___.

Answer: Genetic engineering or recombinant DNA technology is used in the production of Flavr Savr tomato. It has a longer shelf life due to a... View Article

Which Part of the Tapioca Plant can Grow into New Plants – Stem, Roots, or Leaves?

Answer: Tapioca plant (Cassava) can be vegetatively propagated by stem cuttings. Vegetative propagation is a type of asexual reproduction,... View Article

Which of the Following is Not Considered as a Secondary Sex Organ?

1) Penis 2) Vagina 3) Seminal Vesicle 4) Breast Answer:4) Breast Explanation: Sex organs are the organs that are involved in sexual... View Article

The Thin Filament of a Myofibril is a Complex of Three Different Proteins Called___.

Answer: The thin filament of a myofibril is made up of three proteins, namely, actin, troponin and tropomyosin. Two actin filaments are wound... View Article

In 1891 Henking discovered a specific nuclear structure and observed that 50% of the sperm received this structure after spermatogenesis. It was

1) Y chromosome 2) X body 3) Autosomes 4) Polar body Answer:2) X body Explanation: Henking observed a nuclear structure in the sperm of... View Article

Barrier Method of Contraception Includes All Except

1) diaphragm 2) condom 3) vault 4) vasectomy Answer:4) vasectomy Explanation:Barrier methods of contraception prevent the meeting of... View Article

Which of the Following Contraceptive Devices Makes the Uterus Unsuitable for Implantation and the Cervix Hostile to the Sperms?

1) NIM-76 2)LNG-20 3) Lippes Loop 4) Multiload – 375 Answer:2)LNG-20 Explanation:Hormone releasing IUDs make the uterus unsuitable for... View Article

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