Which of the following polymerase synthesize tRNA
Which of the following polymerase synthesize tRNA
DNA polymerase | |
RNA polymerase - I | |
RNA polymerase - III | |
RNA polymerase - II |
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Which of the foilowing chromosomal abnormalities lead to taliness, aggressiveness, mental defect and anti social behaviour
Which of the foilowing chromosomal abnormalities lead to taliness, aggressiveness, mental defect and anti social behaviour
XXY | |
XYY | |
XXXY | |
XO |
Soyabean is an example of, plants
Soyabean is an example of, plants
Long day | |
Day neutral | |
Short day | |
Day independent |
In spermatophytes, important step In land adaptation is the evolution of
In spermatophytes, important step In land adaptation is the evolution of
Seed coat | |
Fruit | |
Pollen tube | |
Flower |
Which of the following receptors produce the sensation of pain:
Which of the following receptors produce the sensation of pain:
Paciniah corpuscles | |
Mechanoreceptors | |
Nociceptorse | |
Chemoreceptors |
In plants movement in response to stimulus of touch is cailed
In plants movement in response to stimulus of touch is cailed
Chenictactic | |
Thigmetropism | |
Phototactic | |
Nyclinasty |
In plants, turgor pressure is generated by high osmotic pressure of the
In plants, turgor pressure is generated by high osmotic pressure of the
Tonoplast | |
Cytoplasm | |
Vacuole | |
Cell membrane |
The death of the cell due to tissue damage is called
The death of the cell due to tissue damage is called
Phagocytosis | |
Apoptosis | |
Necrosis | |
Metastasis |
Which one of the following elements is not alkali metal:
Which one of the following elements is not alkali metal:
Sr | |
Cs | |
Fr | |
Na |
Which of the following elements has the highest ionization energy:
Which of the following elements has the highest ionization energy:
N | |
P | |
Sb | |
Bi |
Which one of the following nitrogenous base is not present in RNA?
Which one of the following nitrogenous base is not present in RNA?
Adenine | |
Thiamine | |
Uracil | |
Cytosine |
Which of the following ion has maximum hydration energy
Which of the following ion has maximum hydration energy
Li+ | |
Na+ | |
Ca+2 | |
K+ |
Fungicides are used to
Fungicides are used to
Kill insects | |
Kill herbs | |
Kill plants | |
Control the growth of fungus |
When ethyl magnesium bromide reacts with HCHO followed by acid hydrolysis, the product formed is:
When ethyl magnesium bromide reacts with HCHO followed by acid hydrolysis, the product formed is:
2-Propanol | |
Ethanol | |
Ethanoic acid | |
1-Propanol |
Which one of the following compounds is more acidic?
Which one of the following compounds is more acidic?
H5C6OH | |
H2O | |
H5C2OH | |
H3CCOOH |
Which of the following species is an electron?
Which of the following species is an electron?
-CHO | |
-COOH | |
-C - R | |
-OH |
Addition of water to acetylene takes place in presence of:
Addition of water to acetylene takes place in presence of:
Ni | |
ZnCl2 | |
HgSO4/H2SO4 | |
Cu |
For a ketone having molecular formula C5H100, the number of possible rnetamers are:
For a ketone having molecular formula C5H100, the number of possible rnetamers are:
5 | |
4 | |
2 | |
3 |
Which is the weakest oxidizing agent:
Which is the weakest oxidizing agent:
F2 | |
Cl2 | |
Br2 | |
I2 |
The lowest ionization energy is possessed by:
The lowest ionization energy is possessed by:
N | |
Sb | |
As | |
P |