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... View Article
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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... 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 Explanation:The Gram-positive bacteria Bacillus thuringiensis is widely used as... 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 ‘H’... 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... 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 of DNA... 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... 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, wherein... 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... 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... 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... 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 ovum and... 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 implantation... View Article
Arrange the Following Events of the Life Cycle of Bryophytes in Correct Sequence.
I) Formation of Spores, II) Gametes Formation, III) Formation of Gametophyte, IV) Fertilisation, V) Embryo Formation 1) III, IV, V,... View Article
Which is Related to Reproductive Isolation?
1) Behavioural isolation 2) Genetic isolation 3) Temporal isolation 4) All of the above Answer:4) All of the above Explanation:... View Article
The Seed Habit in Pteridophytes is Considered an Important Step in Evolution, Which is Due to
a) heterospory b) homospory c) homogamy d) heterogamy Answer: a) heterospory Explanation: Heterospory is considered a precursor to seed habit,... View Article
Mycorrhizae are Found in the Roots of
1)Pinus 2) Coralloid roots of Cycas 3) Algae 4) All of the above Answer:1)Pinus Explanation: Mycorrhizae is the symbiotic association... View Article
Root Cap Regenerates or Dead Torn Cells of Root Cap are Replaced by the Activity of
1) dermatogen 2) plerome 3) periblem 4) calyptrogen Answer:4) calyptrogen Explanation: Calyptrogen is the layer of meristematic cells or a... View Article
How many ATPs are consumed for production of 5 molecules of NH3 during biological N2-fixation?
a) 12 b) 40 c) 20 d) 16 Answer: b) 40 Explanation: Biological nitrogen fixation can be represented by the... View Article
Vegetative propagation in Dahlia and Asparagus is done by
a) Tubers b) Rhizomes c) Corm d) Bulb Answer: a) Tubers Explanation: Vegetative propagation is the asexual reproduction in plants... View Article
