TLS Online TPP Program

#Question id: 3016


Prokaryotic cells divide by a process known as

#SCPH28 | Zoology
  1. conjugation.

  2. mitosis.

  3. binary fusion.

  4. binary fission.

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TLS Online TPP Program

#Question id: 4809

#SCPH28 | Zoology

The upper most following figure above shows the locations of four genes on the genetic map of an organism; the lower figure shows the locations of the same four genes on a physical map derived from the nucleotide sequence of the DNA of that organism. The maps are not identical because

TLS Online TPP Program

#Question id: 3510

#SCPH28 | Zoology

Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?

TLS Online TPP Program

#Question id: 10523

#I Life Science/ Life Sciences Group – I-V

Conifer resin ducts, which are found in the cortex and phloem, contain a mixture of diverse terpenoids, which are released immediately upon damage by herbivores such as;

a) monocyclic terpenes like- limonene and terpinolene

b) bicyclic monoterpenes- α-pinene and β-pinene

c) tricyclic sesquiterpenes- longifolene, caryophyllene, and δ-cadinene

d) tetracyclic terpenes- longifolene, tetra-terpinolene terpenoids are incorrect?

TLS Online TPP Program

#Question id: 12568

#SCPH06 I Botany

Which of the following would a landscape ecologist consider in designing a nature reserve? 

TLS Online TPP Program

#Question id: 8924

#SCPH06 I Botany

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?
1. Protostomes invade terrestrial environments.
2. Cambrian explosion occurs.
3. Deuterostomes invade terrestrial environments.
4. Vertebrates become top predators in the seas.