The net reproductive rate (Ro) is 1.5 for a given population. If Nt, the population of females at generation t, is 500, then what will be the population of females after four generations (Nt+4)?
Anonymous Quiz
13%
1125.000
53%
2531.250
28%
1265.625
6%
3796.875
As per national air quality standard for India, which one of the following options gives correct concentration limits (µg m-3, annual) of various gaseous air pollutants for a residential area?
Anonymous Quiz
14%
SO2-100, NO2-40, O3-40, CO-50
45%
SO2 - 50, NO2 - 40; O3 - 100, CO - 02
33%
SO2 -40, NO2 - 50, O3 - 50, CO - 10
7%
SO2 - 50, NO2 - 100, O3 -40, CO- 02
A plant is visited by bats during the night and sunbirds during the day. Given this information, which of the following characters best match this plant?
Anonymous Quiz
15%
The plant is a herb with saucer shaped white flowers
45%
The plant is a shrub with tubular, red, diurnal flowers
25%
The plant is a liana with tubular cream coloured flowers
15%
The plant is a grass with white coloured fragrant, spikelets
Point group symmetry operations such as inversion and mirror plane are not applicable to protein crystals. This is because
Anonymous Quiz
26%
protein molecules assemble in highly ordered fashion
20%
protein molecules have handedness.
42%
protein molecules form a lattice plane that do not diffract X- rays
12%
hydrogen atoms in proteins diffract weakly.
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Anonymous Poll
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Absolutely! I'm eager to join and learn.
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Count me in! I'm excited to enroll.
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Interested, but I'd like to know more details
A board has 8 rows and 8 columns. A move is defined as two steps along a column followed by one step along a row or vice- versa. What is the minimum number of moves needed to go from one comer to the diagonally opposite comer?
Anonymous Poll
14%
5
47%
6
33%
7
5%
9
Which one of the following pairs is NOT matched correctly?
Anonymous Quiz
44%
Glycocalyx – adherence
36%
Fimbriae - motility
14%
Pili - conjugation
6%
Peptidoglycan - cell wall
🔥1
In eukaryotes, precursors of micro RNAs (miRNAs) and small interfering RNAs (siRNAs) are usually synthesized by
Anonymous Quiz
20%
RNA Pol I and III, respectively
35%
RNA Pol III and I, respectively
11%
Only RNA Pol I
34%
Only RNA Pol II
How pumped are you to enroll in the CSIR NET Exclusive Live Batch Starting from 11th March?
Anonymous Poll
77%
Super pumped! I'm ready to soak up all that knowledge!
23%
Pumped! Let's do this!
Aminoacyl tRNAs are escorted to the ribosome by theelongation factor
Anonymous Quiz
12%
EF-Ts
24%
EF-G
46%
EF-Tu
18%
eEF-2
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👍1
Choose the correct statement from the following:
Anonymous Poll
31%
Disulfide bonds in a 20 residue peptide can be formed only if the cysteines are adjacent to each
18%
The amino acid isoleucine has only one chiral centre.
23%
Both bases and sugar contribute to chirality of nucleic acids.
29%
The pI of aspartic acid is less than that of glutamic acid.
What is the effect of sudden increase in the levels of ATP and citrate on an erythrocyte undergoing glycolysis?
Anonymous Poll
46%
It inhibits glycolysis.
16%
It stimulates glycolysis.
22%
The rate of glycolysis remains unaltered.
17%
The rate of glycolysis increases gradually.
The ɸ and Ψ values of a 𝛽-strand composed of all D- amino acids will mainly occupy which quadrant in the Ramachandran plot?
Anonymous Poll
30%
upper left
44%
upper right
16%
lower left
10%
lower right