lbscentre.info : LBS Centre for Science & Technology State Eligibility Test Botany Question Paper

Name of the Organisation : LBS Centre for Science & Technology
Exam : State Eligibility Test
Subject : Botany
Year : 2017 Feb
Document Type : Model & Past Question Papers

Website : https://lbscentre.in/
Download Model/Sample Question Paper :
Botany 2010 : https://www.pdfquestion.in/uploads/13380-Bot2010.pdf
Botany 2011 : https://www.pdfquestion.in/uploads/13380-Bot2011.pdf
Botany 2012 : https://www.pdfquestion.in/uploads/13380-Bot2012.pdf
Botany 2013-Jun : https://www.pdfquestion.in/uploads/13380-Bot2013Jun.pdf
Botany 2013-Dec : https://www.pdfquestion.in/uploads/13380-Bot2013Jun.pdf
Botany 2015-Jun : https://www.pdfquestion.in/uploads/13380-Bot2015Jun.pdf
Botany 2015-Dec : https://www.pdfquestion.in/uploads/13380-Bot2015Jun.pdf
Botany 2016-Jun : https://www.pdfquestion.in/uploads/13380-Bot2015Jun.pdf
Botany 2017-Feb : https://www.pdfquestion.in/uploads/13380-Bio2017Feb.pdf

State Eligibility Test Botany Question Paper :

Time : 120 Minutes :
1. Consider List I (chemical compound) and List II (function) and match them
List I List II

Related :LBS Centre for Science & Technology State Eligibility Test Anthropology Question Paper : www.pdfquestion.in/13376.html

a. Chloramphenicol 1. Alternative electron donor to PS II
b. Reserpine 2. Mitochondrial inhibitor
c. Rotenone 3. Inhibits chloroplastic protein
d. Ascorbic acid 4. Antihypertensive drug
Choose the correct answer code:
A) a-1; b-3; c-2; d-4
B) a-3; b-4; c-2; d-1
C) a-2; b-3; c-4; d-1
D) a-4; b-2; c-3; d-1

2. During the course of prolonged starvation and fasting, glucose is synthesized from one of the following metabolic process.
A) Glycogenesis
B) Glycolysis
C) Gluconeogenesis
D) Fermentation

3. In aroids a foul smell emanates at the time of the emergence of the inflorescence, which basically is due to alternative oxidation pathway. Arrange the various steps of the respectiveprocess and related events in appropriate order.
1. Volatilisation of indoles and sulphur compounds
2. Temperature generation
3. Oxygen is converted to water
4. Movement of electrons from Ubiquinone to alternate oxidase
A) 1,2,3,4
B) 4,3,2,1
C) 4,2,1,3
D) 4,1,2,3

4. Following are a few statements related to the mitochondrial electron transport in plants.
Pick out the correct statements.
1. NAD(P)H dehydrogenase complex facing intermebrane space facilitate oxidation of NAD(P)H
2. NAD(P)H dehydrogenase is sensitive to rotenone
3. Alternate oxidase supports cyanide resistant respiratory pathway
4. Terminal oxidase is sensitive to potassium cyanide
A) 1,2,3 only are correct
B) 2,3,4 only are correct
C) 1,3,4 only are correct
D) All are correct

5. In the water oxidizing clock which metal element functions as the pivotal component?
A) Mg2+
B) Mn2+
C) Cu
D) Fe

6. What is meant by lichenometry?
A) Study regarding the age of lichens.
B) Study of the age of exposed rock surfaces based on the size of lichen thalli.
C) Study regarding the calculation of the period in which lichens evolved.
D) Study regarding the succession of various forms of lichens

7. The pH indicator in the litmus test is a dye extracted from the lichen.
A) Umbilicaria esculenta
B) Parmelia saxatilis
C) Roccella tinctoria
D) Xanthoria parietina

8. State whether these statements are true or false.
1. The acrocarpous mosses are generally those upright mosses with terminal sporangia.
2. Pleurocarpous mosses produce their sporangia on short, specialized lateral branches or buds and typically are prostrate.
3. Cladocarpous are those mosses that bear sporophytes terminally on short, lateral branches.
A) 1 and 2 only are correct
B) 2 and 3 only are correct
C) 1 and 3 only are correct
D) All are correct

9. Observe the following definitions and choose the correct ones?
1. Virion is a complete virus particle, consisting of RNA/DNA surrounded by a protein shell and consisting the infective form of a virus.
2. Viroids consist solely of short strands of circular, single-stranded RNA without protein coats.
3. A retrovirus is an infectious agent composed entirely of protein material, called PrP.
A) 1 and 2 only are correct B) 2 and 3 only are correct
C) 1 and 3only are correct D) All are correct

10. Match the resin and the source plant.
p. Dammar gum l. Ferula gummosa,
q. Frankincense m. Boswellia sacra,
r. Galbanum n. Members of Dipterocarpaceae
s. Hashish o. Cannabis indica,
A) p-l,q-n, r-m, s-o
B) p-l, q-o, r-n. s-m
C) p-n, q-m, r-l, s-o
D) p-n, q-l, r-m, s-o

11. Give the types of electron source for transmission electron microscope, operating on different physical principles.
A) Thermionic emission
B) Schottky emission
C) Field emission
D) All of the above

12. Match the dye with the respective action.
p) Acridine orange l. is an intense dye used to stain glycogen
q) Carmine m. is a nucleic acid selective fluorescent cationic dye
r) Coomassie blue n. stains cell walls purple
s) Crystal violet, o. non-specifically stains proteins
A) p-m, q-l, r-o, s-n
B) p-n, q-o, r-l, s-m
C) p-o, q-n, r-m, s-l
D) p-l, q-o ,r-n, s-m

13. Which of these sentences stands true for an abzyme?
1. A single molecule of an antibody-enzyme, capable of catalyzing the destruction of thousands of target molecules
2. The efficiency of abzyme technology could permit treatments with smaller doses of medicines at lower costs than are possible today.
3. An abzyme is used to lower the activation energy of a reaction allowing for the transition state to be possible and the product to be formed.
4. An abzyme is typically artificially made and is made by having the immune system make antibodies that bind to a molecule that resembles the transition state of the catalytic process that the researchers want to emulate.
A) 1,2 and 3 only are correct
B) 2,3 and 4 only are correct
C) 1,3 and 4 only are correct
D) All are correct

14. Name the post-translational modifications which calmodulin can undergo.
A) Phosphorylation
B) Acetylation
C) Methylation
D) All of the above

15. Identify the plant hormone known as anti senescence hormone.
A) IAA
B) Gibberellin
C) Cytokinin
D) ABA

16. Suggest an appropriate statistical application if the following assumptions are true.
1. K is the number of times an event occurs in an interval and K can take values 0, 1, 2, 3, etc.
2. The occurrence of one event does not affect the probability that a second event will occur. That is, events occur independently.
3. The rate at which events occur is constant. The rate cannot be higher in some intervals and lower in other intervals.
A) Binomial distribution
B) Poisson distribution
C) Normal distribution
D) F distribution

17. Which is the technique utilised to estimate the methylation of DNA?
A) Ion-mobility spectrometry
B) Mass spectrometry
C) Neutron triple-axis spectrometry
D) Optical spectrometry

18. What was the earlier name of International Union for Conservation of Nature and Natural Resources (IUCN)?
A) International Union for Nature and Natural Resources (IUCN)
B) International Union for Conservation of Nature
C) International Union for Protection of Nature
D) International Union for Nature Protection

19. Gamma diversity (?-diversity) is the total species diversity in a landscape. Who introduced this terminology?
A) Shannon
B) Simpson
C) Odum
D) Whittaker

20. Identify the correct statements related to Biomagnification.
1. Non biodegradable
2. Food chain energetics
3. Persistent organic pollutant
A) 1 and 2 only are correct
B) 2 and 3 only are correct
C) 1 and 3 only are correct
D) All are correct