TLS Online TPP Program

#Question id: 3433


Which of the following is true about imprinting?

#SCPH28 | Zoology
  1. It may be triggered by visual or chemical stimuli.

  2. It happens to many adult animals, but not to their young.

  3. It is a type of learning that does not involve innate behavior.

  4. It occurs only in birds.

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TLS Online TPP Program

#Question id: 2972

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

Match the following attachment (Column I) with definition(Column II).

Column I

Column II

A. Monotelic Attachment

I. When sister kinetochores attach to microtubules emanating from opposite spindle poles, they are stably attached.

B. Syntelic Attachment

II. When one kinetochore attaches to microtubules emanating from two opposite spindle poles.

C. Amphitelic Attachment

III. When both sister kinetochores attach to microtubules emanating from the same spindle pole.

D. Merotelic Attachment

IV. When only one of the two sister kinetochores attaches to microtubules.

Which of the following is correct?

TLS Online TPP Program

#Question id: 11541

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

The steroid hormone aldosterone affects only a small number of cells in the body because ________.

TLS Online TPP Program

#Question id: 5434

#SCPH28 | Zoology

Plant height of wild Solanum nigrum is controlled by polygene. A pure line plant with 60 cm height was cross to pure line plant having 20 cm height .All F1 plant having uniform height 40 cm. F1 plant was allowed to self-fertilization to produced 4/64 proportional of F2 plant having height 20 cm . What is number of polygene governing plant height?

TLS Online TPP Program

#Question id: 3038

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

If a culture starts with 50 cells, how many cells will be present after five generations with no cell death?

TLS Online TPP Program

#Question id: 22937

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

Gene for regulatory pathway that promotes flowering of Arabidopsis in long days: