Hansraj College Quiz

GAIA 2009The Biological Society Annual Festival

Hansraj collegeNovember 25, 2009

QUIZ CONTEST

Sponsored by : Media Partner :

TRAJECTORY.INRebooting Science

First Round

Q1: Si RNA(s) interfere at

A. Transcriptional levelB. Post-transcriptional levelC. DNA replication levelD. Translational level

Q2: Seleno cysteine

A. Only present in prokaryotesB. Coded by UGA(stop codon)C. Derives from cysteineD. Forms post translationally

Q3: Three sides of triangle are 6,8,10 . It is a/an

A. Obtuse angled triangleB. Right angled traingleC. Acute angled triangleD. None of these

Q4: A coin is tossed and a fair six sided die is thrown. How many possible outcomes are there ?

A. 12B. 6C. 8D. 2

Q5: Siderphores

A. Make complex with Fe3+

B. Help in iron transportC. Secreted by microbesD. All of the above

Q6: In angiosperms, triple fusion produces

A. Polar nucleusB. Secondary nucleusC. Primary endospermic nucleusD. Zygotic nucleus

Q7: Amphibian metamorphosis is controlled by

A. Thyroid hormoneB. Parathyroid hormoneC. OxytocinD. ecdysone

Q8: Chitin occurs in the cell wall of

A. bacteriaB. ArthropodsC. FungusD. Molluscs

Q9: Which technique is used to study de novo RNA synthesis ?

A. Southern blottingB. Northern blottingC. microarrayD. RT-PCR

Q10. P element

A. Is a transposon B. Has a role in hybrid dysgenesisC. Occurs in D. melanogasterD. All of the above

Q11: Which of the following signal molecule is responsible for quorum

sensing ?

A. Acyl homoserine lactoneB. maltoseC. Acetyl cholineD. Brassino steroid

Q12: India is a federal union of how many states :

A. 27B. 28C. 29D. 30

Q13: Which of the following is the capital of Colombia ?

A. SantiagoB. BogotaC. PristinaD. ottawa

Q14: Sex limited inheritance

A. Occurs due to gene present on X-chromosome only

B. Occurs due to presence of gene in only sex C. Occurs as a result of individuals sexD. Not occurs in animals

Q15: Which of the following is not a substrate for ribulose 1,5-biphosphate

carboxylase ?A. Co2

B. Glyceraldehyde -3 - phosphateC. Ribulose 1,5 – bi phosphateD. O2

Q16:Which of the following is not an example of allopolyploid

A. RaphanobrassicaB. Evening prime roseC. TriticaleD. Triticum aestivum

Q17: Stomatal opening in a leaf

A. Involves closing of K+

B. Occurs when there is an increase in turgor pressure in the guard cells

C. Occurs in the darkD. Occurs in response to abscissic acid

Q18: Jasmonic acid :

A. Is synthesized from linolenic acidB. Is growth promoterC. Delay leaf senesceneD. Only present in mouses and ferns

Q19: The change in frequency due to Doppler effect does not depend on:

A. the speed of the sourceB. The speed of the observerC. The frequency of the sourceD. Separation between the source and

the observer

Q20: Plant cell wall is composed of:

A. LigatureB. LigninC. CelluloseD. Sap