Forwarded from π’ππΏπΏππΎ β‘οΈ
Select mismatched pair-
Anonymous Quiz
26%
Microsporangium - pollen sac
27%
Megasporangium - ovule
30%
Pollen grain - male gamete
17%
Embryo sac - female gametophyte
Forwarded from π’ππΏπΏππΎ β‘οΈ
Select the incorrect statement regarding angiosperm
Anonymous Quiz
23%
Megaspore is diploid
17%
Megaspore is the first cell of female gametophyte
21%
The pollen grain is the first cell of the male gametophyte
40%
All of the above
Forwarded from π’ππΏπΏππΎ β‘οΈ
Which of the following is correct order of energy in 6th period?
Anonymous Quiz
21%
6s, 6p, 5d, 4f
29%
6s, 5d, 4f, 6p
25%
4f, 5d, 6s, 6p
25%
6s, 4f, 5d, 6p
Forwarded from π’ππΏπΏππΎ β‘οΈ
The salient features of DNA are:
1. It is made up of two polynucleotide chains
2. Two chains have parallel polarity 3. Bases in two strands are paired through H-bond 4. The two chains are always coiled in left handed fashion
1. It is made up of two polynucleotide chains
2. Two chains have parallel polarity 3. Bases in two strands are paired through H-bond 4. The two chains are always coiled in left handed fashion
Anonymous Quiz
5%
1, 4
25%
1, 2, 3, 4
27%
1, 3, 4
7%
1, 2, 4
36%
1, 3
Forwarded from π’ππΏπΏππΎ β‘οΈ
Statement A: Typhoid Mary was a health worker.
Statement B: Haemophilus influenzae doesn't cause influenza.
Statement B: Haemophilus influenzae doesn't cause influenza.
Anonymous Quiz
16%
Only statement A is correct
27%
Only statement B is correct
16%
Both statements A and B are correct
40%
Both statements A and B are incorrect
Forwarded from π’ππΏπΏππΎ β‘οΈ
Basic unit of natural selection is
Anonymous Quiz
49%
Species
19%
Individual
24%
Population
8%
Genus
Forwarded from π’ππΏπΏππΎ β‘οΈ
According to given results which of the following option is correct?
A=35%, G=35%, T=15%, C=15%
A=35%, G=35%, T=15%, C=15%
Anonymous Quiz
47%
It is dsDNA
33%
It is ssDNA
13%
It is ssRNA
6%
It is dsRNA
Forwarded from π’ππΏπΏππΎ β‘οΈ
Viruses having RNA genome evolve faster, because:
Final Results
66%
RNA is unstable and mutate at a faster rate
9%
RNA is more stable
17%
RNA is first genetic material
9%
RNA is the main genetic material
Forwarded from π’ππΏπΏππΎ β‘οΈ
Hardy and Weinberg principle explains
Anonymous Quiz
38%
Genetic equilibrium
11%
Non-random mating
9%
Evolutionary force
41%
All of these
Forwarded from π’ππΏπΏππΎ β‘οΈ
The functional megaspore generally undergoes:
Anonymous Quiz
37%
Three sequential mitotic divisions to form mature embryo sac.
31%
Two sequential meiotic divisions to form mature embryo sac.
20%
Three sequential meiotic divisions to form mature embryo sac.
12%
Two sequential mitotic divisions to form mature embryo sac.
Forwarded from π’ππΏπΏππΎ β‘οΈ
Intermediate host is absent in the infection of
Anonymous Quiz
21%
Plasmodium
30%
Entamoeba
30%
Trypanosoma
19%
Filarial worm
Forwarded from π’ππΏπΏππΎ β‘οΈ
Reverse transcriptase is:
Anonymous Quiz
13%
RNA dependent RNA polymerase
38%
DNA dependent RNA polymerase
13%
DNA dependent DNA polymerase
36%
RNA dependent DNA polymerase
Forwarded from π’ππΏπΏππΎ β‘οΈ
Select the correct statement.
(a) RNA polymerase I transcribes rRNAs
(b) RNA polymerase II transcribes snRNA (c) RNA polymerase III transcribes hnRNA (d) RNA polymerase II transcribes hnRNA
(a) RNA polymerase I transcribes rRNAs
(b) RNA polymerase II transcribes snRNA (c) RNA polymerase III transcribes hnRNA (d) RNA polymerase II transcribes hnRNA
Anonymous Quiz
44%
a and d are correct
23%
b and c are correct
19%
a and b are correct
13%
a and c are correct
Forwarded from π’ππΏπΏππΎ β‘οΈ
In prokaryotes, the predominant site (or primary step) of control of gene expression is at:
Anonymous Quiz
39%
Control of rate of transcriptional initiation
26%
Control of rate of translational initiation
26%
Control of rate of initiation of replication
8%
Processing level
Forwarded from π’ππΏπΏππΎ β‘οΈ
Which of the following rRNA acts as structural as well as ribozyme in eukaryotes -
Anonymous Quiz
48%
23s rRNA
23%
18s rRNA
12%
5.8s rRNA
17%
28s rRNA
Forwarded from π’ππΏπΏππΎ β‘οΈ
If the target gene is inserted at Sal-I site of the pBR322 plasmid it will show resistance for-
Anonymous Quiz
29%
Ampicillin
38%
Tetracycline
30%
Both 1 and 2
4%
Kanamycin
Forwarded from π’ππΏπΏππΎ β‘οΈ
Which of the following character is common in both monocotyledonous and dicotyledonous embryo?
Anonymous Quiz
17%
Presence of coleorrhiza
25%
Presence of coleoptile
25%
Presence of epiblast
34%
Presence of hypocotyl
Forwarded from π’ππΏπΏππΎ β‘οΈ
Production of seeds without fertilisation is known as __A__ and this is commonly present in __B__.
Anonymous Quiz
45%
A = Apomixis, B = Asteraceae
22%
A = Parthenogenesis, B = Pulses
27%
A = Parthenocarpy, B = Grasses
6%
A = Vegetative reproduction, B = Grasses
Forwarded from π’ππΏπΏππΎ β‘οΈ
When bands of RNA are transferred from agarose gel to a nitrocellulose membrane for identification, the process is called -
Anonymous Quiz
45%
Southern blotting
28%
Northern blotting
22%
Western blotting
5%
Eastern blotting
Forwarded from π’ππΏπΏππΎ β‘οΈ
Which type of species interaction is found within a population?
Anonymous Quiz
24%
Intraspecific
30%
Interspecific
43%
Both 1 and 2
2%
None of the above