sssihl.edu.in Admission Test M.Sc. Biosciences Question Paper : Sri Sathya Sai Institute of Higher Learning

Name of the Organisation : Sri Sathya Sai Institute of Higher Learning
Exam : SSSIHL Postgraduate Programme Admission Test
Degree : Postgraduate Programme
Subject : MSc Biosciences
Document Type : Model Question Paper
Website : https://www.sssihl.edu.in/
Download Model Question Paper :  https://www.pdfquestion.in/uploads/25235-Biosciences.pdf

SSSIHL Admission Test M.Sc. Biosciences Question Paper

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Important Instructions

i) Answer the following questions in the space provided.
ii) Please write your Application Id and name on the Answer sheets.
iii) Choose the correct answer and WRITE IN CAPITAL LETTER viz., A, B, C, D or E for the multiple choice questions. Each MCQ carries one mark and there will be negative marking for each wrong answer.
iv) Write detailed answer as required for other questions.

Sample Questions

Section – A

Objective Type : 25 marks
01. The general chemical formula of carbohydrate is
a. (CH2O)n
b. (CH2O)2n
c. (CHO)n
d. CnH2nO

02. Fat storing cells of vertebrates are called
a. Hepatocytes
b. Asterocytes
c. Adipocytes
d. Melanocytes

03. Which of the following cellular event is NOT directly involved with mitochondria?
a. Apoptosis
b. ATP synthesis
c. Controlling cell cycle
d. Protein degradation

04. The dye used in gram staining is
a. Methylene blue
b. Giemsa
c. Rhodamine
d. Crystal violet

05. Kranz anatomv is seen in
a. all monocots
b. monocots with C4 pathway
c. monocots and dicots with Co pathway
d. legumes

06. Which pump is responsible for initiating muscle contraction through depolarization of muscle cell membrane?
1. Na+ pump.
3. Ca2+ pump.
2. K + pump.
4. Mg2+ pump.

07. Chirality of DNA is due to
a. The bases
b. Base stacking
c. Hydrogen bond between bases
d. Deoxyribose

08. Reaction products inhibit catalysis in enzymes by
a. Covalently binding to the enzyme
b. Altering the enzyme structure
c. Occupying the active site
d. Form a complex with substrate

09. Proton Motive Force during oxidative phosphorylation is generated in mithocondria by
a. exchanging protons for sodium ions
b. Pumping protons out into intermembrane space
c. pumping hydroxyl ions into the mithocondria
d. Hydrolysis of ATP

10. In nature, Agrobacterium tumefaciens mediated infection of plant cells leads to
P. crown gall disease in plants
Q. hairy root disease in plants
R. transfer of T-DNA into the plant chromosome
S. transfer of Ri-plasmid into the plant cell
(A) S only
(B) P and R only
(C) Q and S only
(D) Q only

11. The hormone which can replace vernalization:
a. Cytokinin
b. Auxin
c. Ethylene
d. Gibberellins

12. Genetic Drift is caused on account of:
a. variation
b. Mutation
c. Increase in population
d. Decrease in population

13. Histones are rich in.
a. Lysine
b. Arginine
c. Histidine
d. Lysine and Arginine

14. Origin of species was proposed by
a. Lamark
b. Oparin
c. Weismann
d. Darwin

15. Which of the following is a living fossil
a. Cycas
b. Moss
c. Spirogyra
d. Saccharomycetes

16. The significance of the plasma membrane is that
a. it selectively allows some molecules to pass into the organism
b. it prevents movement of molecules out of the organism
c. it is the site of protein synthesis
d. All of above

17. What is a plasmid?
a. Self-replicating segment of double stranded DNA
b. segment of single stranded RNA
c. A bacterial chromosome
d. None of the Above

18. A bacillus bacterium with a single flagellum at each end is described as
a. Monotrichous
b. Amphitrichous
c. Lophotrichous
d. Peritrichous

19. The gram-positive bacteria lack __________ structure/component?
a. outer membrane
b. murein
c. teichoic acid
d. plasma membrane

20. Among the 20 standard proteins coding amino acids, which one is least occurs in proteins?
a. Glycine
b. Alanine
c. Tryptophan
d. Methionine

21. Cellular organelle(s) involved in the regulation of Ca2+ level in the cell ________.
a. Mitochondria
b. Endoplasmic Reticulum
c. Endoplasmic Reticulum and Mitochondria
d. Mitochondria and vesicles.

22. The reptilian order Squamata includes
1. crocodiles and alligators.
2. the living fossil ‘tuatara’.
3. turtles and tortoises.
4. snakes and lizards.

23. Which of the following bonds will be most difficult to break?
a. C–O
b. C–C
c. C–N
d. C–S

24. Which of the following is a mobile electron carrier in the mitochondrial electron transport system?
a. NADH dehydrogenase
b. FADH Dehydrogenase
c. Ubiquinone
d. Succinate dehydrogenase

25. The only enzyme in citric acid cycle (Kreb’s cycle) which is attached to the inner mitochondrial membrane is:
a. Succinate dehydrogenase
b. NADPH dehydrogenase
c. Isocitrate dehydrogenase
d. Malate dehydrogenase

Section – B

Short Answer Type Questions : 30 marks
1) Economic Importance of bacteria
2) Economic Importance of family Brasiccaceae
3) Comment on endosperm
4) Explain briefly about types of Meristematic tissue
5) Comment on osmosis
6) Write short notes on General Characters of protozoa
7) Comment on Sericulture
8) Write short notes on Mendel’s laws of Inheritance

Section – C

Long Answer Type Questions : 20 marks
1) Elaborate on Flight Adaptations in Birds
2) Discuss in detail about Muscle Contraction