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TLS Online TPP Program

#Question id: 4608

What must be true of any organ described as vestigial?

#Unit 11. Evolution and Behavior

  1. It must be analogous to some feature in an ancestor.

  2. It must be homologous to some feature in an ancestor.

  3. It must be both homologous and analogous to some feature in an ancestor.

  4. It need be neither homologous nor analogous to some feature in an ancestor.

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TLS Online TPP Program

#Question id: 10771

#Unit 8. Inheritance Biology

What is penetrance?
A- % of individuals having phenotype according to their genotype.
B- Penetrance refers to the likelihood that a clinical condition will occur when a particular genotype is absent.
C- 100% expressivity always gives 100% penetrance.
which one of the correct combination-
TLS Online TPP Program

#Question id: 10772

#Unit 8. Inheritance Biology

In an experiment plant RR round genotype have 100 seeds. In F1 generation 70 seeds are round and 30 seeds are wrinkled. So what will be
the penetrance value for round seeds?
TLS Online TPP Program

#Question id: 10773

#Unit 8. Inheritance Biology

What is Pseudo dominance?
TLS Online TPP Program

#Question id: 10774

#Unit 6. System Physiology – Plant

Following are a few statements regarding the structure of terpenes:

a) Isopentenyl diphosphate and Dimethyallyl diphosphate are combinely called monoterpene, respectively

b) Isopentenyl diphosphate and Farnesyl diphosphate are Sesquiterpenes and Tetraterpenes

c) Monoterpenes, Sesquiterpenes and Diterpenes have 10, 20  and 30 carbons, respectively

d) Grenyl grenyl diphosphate usually have 20 carbons compound by multiplying with  2X is known as testraterpenes

Which combination of the above statements is correct?
TLS Online TPP Program

#Question id: 10775

#Unit 6. System Physiology – Plant

Geranyl diphosphate is a precursor of which plant hormone biosynthesis?
TLS Online TPP Program

#Question id: 10776

#Unit 6. System Physiology – Plant

pyrethroids that occur in the leaves and flowers of Chrysanthemum species show very striking insecticidal activity. Pyrethroids are________