Practice Questions

TLS Online TPP Program

#Question id: 22949

How CONSTANS gene and its encoded protein involved in translating day length into a signal that converts a vegetative shoot meristem into a floral meristem?

#Unit 5. Developmental Biology

CONSTANS protein is degraded in the dark, but accumulates in the leaves as the days get longer.
CONSTANS protein is degraded in the light, and so accumulates in the leaves as the days get shorter.
Peak expression of CONSTANS occurs at mid-morning.
The CONSTANS gene regulates the circadian clock.

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TLS Online TPP Program

#Question id: 19745

#Unit 3. Fundamental Processes

Shelterin is the complex of six protein (TRF1, TRF2, Rap1, TIN2, TPP1, and POT1), below some of the statements are given regarding POT1, choose the correct statement

a) POT1 binding to single-stranded telomere DNA and promote telomere activity.

b) POT1 binding to single-stranded telomere DNA inhibits telomere activity.

c) POT1 acts as antagonist of Cdc13 which inhibits the telomere activity.

d) POT1 helps in recruitment of telomerase

TLS Online TPP Program

#Question id: 12691

#General Aptitude

If the area of a rectangle be (x^2 +7x + 10) sq. cm, then one of the possible perimeter of it is

TLS Online TPP Program

#Question id: 3956

#Unit 3. Fundamental Processes

Which of the following statements about histones is not true?

TLS Online TPP Program

#Question id: 33278

#Unit 2. Cellular Organization

During chromosome attachment to the mitotic spindle, the tension-sensing mechanism depends on the protein, known as:

TLS Online TPP Program

#Question id: 18974

#Unit 9. Diversity of Life Forms

Which feature of cycads distinguishes them from most other gymnosperms?

1. They have exposed ovules

2. They have flagellated sperm

3. They are pollinated by animals