GATE Life Sciences Online Mock Test Free. This mock test having 25 questions in each subjects Chemistry, Biochemistry, Botany, Microbiology, Zoology, Food Technology, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this GATE XL test question details at the end of the quiz.
GATE 2019 : Life Sciences (XL) questions answers are applicable for any kind of Life Sciences Entrance preparation or PSU Competitive Exam in India. You can practice as much as you can to gather knowledge of how to answers GATE XL Exam 2019 critical type papers in short time and this can be a big factor for cracking all India engineering entrance level exam.
- ->You can also go through GATE Life Sciences Previous Year Question Papers Answers.
- -> JbigDeaL provides other Online Mock Test too.
Quick Contents
GATE Biochemistry Online Mock Test Free
Question 1 |
Water moves out of the cell | |
Size of the cell remains same | |
No movement of water takes place | |
Size of the cell increases |
Question 2 |
Histidine | |
Cysteine | |
Glycine | |
Proline |
Question 3 |
n = 1 | |
n = 0 | |
n is not defined | |
0 ≤ n ≤ 1 |
Question 4 |
Phe | |
Leu | |
Val | |
Asp |
Question 5 |
Two free ammonium groups | |
Free ammonium group and aspartate | |
Both nitrogen atoms are derived from arginine | |
One nitrogen atom is derived from citrulline and one from glutamate. |
Question 6 |
equal to one | |
greater than one | |
less than one | |
less than zero |
Question 7 |
Isograft > Xenograft > Allograft | |
Allograft > Isograft > Xenograft | |
Xenograft > Autograft > Allograft | |
Xenograft > Allograft > Isograft |
Question 8 |
0.1M | |
0.25 M | |
0.315 M | |
0.415 M |
Question 9 |
(ii), (iv), (iii), (i) | |
(iii), (ii), (i), (iv) | |
(iv), (ii), (i), (iii) | |
(iii), (ii), (iv), (i) |
Question 10 |
(a)-3, (b)-2, (c)-1, (d)-4 | |
(a)-3, (b)-4, (c)-2, (d)-1 | |
(a)-4, (b)-3, (c)-1, (d)-4 | |
(a)-4, (b)-1, (c)-2, (d)-3 |
Question 11 |
0.4 mM | |
0.12 mM | |
0.9 mM | |
0.3 mM |
Question 12 |
Klebsiella family | |
Mycobacterium family | |
Retrovirus family | |
Streptococcus family |
List |
GATE Life Sciences Online Mock Test 2
GATE Botany Online Mock Test Free
Question 1 |
Xylem | |
Phloem | |
Collenchyma | |
Parenchyma |
Question 2 |
Pyruvate kinase | |
Pyruvate dehydrogenase | |
Pyruvate decarboxylase | |
Pyruvate carboxylase |
Question 3 |
The rice gene contains about 50,000 genomes located on 12 different chromosomes | |
The rice genome contains about 50,000 genes located on 12 different chromosomes | |
The rice chromosome contains about 50,000 genes located on 12 different genomes | |
The rice genome contains about 50,000 chromosomes located on 12 different genes |
Question 4 |
Aspergillus | |
Alternaria | |
Fusarium | |
Phytopthora |
Question 5 |
Chromatid formation | |
Spindle formation | |
Synapsis | |
Chromosome movement to pole |
Question 6 |
Nitrate synthetase | |
Nitrate synthase | |
Glutathione synthetase | |
Nitrogenase |
Question 7 |
In detrital food chain, it is very difficult to measure the energy flow although the use of radioactive tracers give some idea about the energy flow | |
The change in species composition, community structure and function over time is ecological succession | |
The slower rise of environmental temperature may be attributed to the increase in pollution in environment which reflects enough solar energy back to other spacer to slow down global warming | |
Photoperiodism has no relation with the environment and ecosystem, rather it is a biological event taking place in every plant |
Question 8 |
Cellulase and Lipase | |
Cellulase and Amylase | |
Pectinase and Cellulase | |
Pectinase and Lipase |
Question 9 |
Opine catabolism genes, Left border sequence, Right border sequence | |
Opine catabolism genes, Left border sequence, Virulence genes | |
Hormone biosynthetic genes, Right border sequence, Virulence genes | |
Left border sequence, Right border sequence, Virulence genes |
Question 10 |
Chloroplast | |
Endoplasmic reticulum | |
Golgi complex | |
Mitochondria |
Question 11 |
P,Q | |
Q,R | |
R,S | |
P,S |
Question 12 |
IAA and Kinetin | |
2, 4-D and Zeatin | |
IAA and Zeatin | |
2, 4-D and Kinetin |
Question 13 |
P,R | |
Q,S | |
Q,R | |
P,S |
Question 14 |
P,S | |
Q,R | |
R,S | |
Q,S |
List |
GATE Life Sciences Online Mock Test 3
GATE Microbiology Online Mock Test Free
Question 1 |
HeLa cells and fibrosarcoma cells | |
embryonic cells and fibroblasts | |
adult myeloma cells and HeLa cells | |
embryonic cells and adult myeloma cells |
Question 2 |
cephalosporins | |
macrolides | |
aminoglycosides | |
quinolones |
Question 3 |
Passive diffusion | |
Group translocation | |
Endocytosis | |
Active transport |
Question 4 |
Clostridium botulinum | |
Bacillus subtilis | |
Escherichia coli | |
Clostridium tetani |
Question 5 |
38 | |
24 | |
12 | |
8 |
Question 6 |
Sulfate reducing bacteria | |
Methanogenic bacteria | |
Green and purple bacteria | |
Nitrifying bacteria |
Question 7 |
nitrogenase | |
nitrate reductase | |
nitrite reductase | |
deaminase |
Question 8 |
3.33 | |
1.50 | |
0.75 | |
0.30 |
Question 9 |
Only P | |
Only Q | |
Both P & Q | |
Only R |
Question 10 |
Siderophores are secreted only when soluble iron is available in the medium | |
Siderophores form complex with ferrous ions in the medium | |
Siderophores are the only route of iron uptake | |
Siderophores form complex with ferric ions in the medium |
Question 11 |
chloramphenicol | |
penicillin | |
penicillin & chloramphenicol | |
rifampin |
Question 12 |
repressor protein-corepressor complex is bound at the operator | |
repressor protein is synthesized in large quantity | |
repressor-corepressor complex is not formed | |
repressor becomes inactive and therefore has reduced specificity for the operator |
Question 13 |
P-I, Q-II, R-III, S-V | |
P-II, Q-IV, R-III, S-V | |
P-II, Q-I, R-III, S-IV | |
P-V, Q-III, R-IV, S-II |
Question 14 |
P-V, Q-II, R-III, S-V | |
P-III, Q-I, R-IV, S-V | |
P-III, Q-II, R-V, S-I | |
P-II, Q-I, R-III, S-V |
Question 15 |
10.0 | |
5.0 | |
1.0 | |
0.2 |
List |
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