HAU M.Sc. Basic Science Question Paper : CCS Haryana Agricultural University

Organisation : CCS Haryana Agricultural University
Course : M.Sc. Basic Science
Document Type : Old Question Paper
Website : http://admissions.hau.ac.in/

HAU M.Sc. Basic Science Question Paper

CCS Haryana Agricultural University, M.Sc. Basic Science Old Question Paper

Related / Similar Question Paper : HAU B.Sc. 4 Years Programme Question Paper

M.Sc. Basic Science Question Paper

1. A genome/ nucleoid consists of
(A) Histone and RNA
(B) A single double stranded DNA
(C) A single stranded DNA
(D) Histone and non-histone

2. A bivalent consists of
(A) Two chromatids and one chromosome
(B) Four chromotids and two centromeres
(C) Two chromatids and two centromeres
(D) Four chromatids and four centromeres

3. The mechanism of ATP formation both in chloroplast and mitochondria is explained in
(A) Chemiosmotic theory
(B) Munch’s hypothesis
(C) Relay pump theory
(D) Cholodny-Wont’s model

4. Algae differs from Riccia and Marchantia in having
(A) Multicellular body
(B) Multicellular sex organs
(C) Pyrenoids in the cell
(D) Thalloid body

5. Fern stele is a
(A) Protostele
(B) Dictyostele
(C) Sphinostele
(D) None of these

6. The protonema is a stage in the life cycle of
(A) Riccia
(B) Funaria
(C) Bryophytes
(D) Cycas

7. Urcein dye is obtained from the lichen
(A) Lasallia
(B) Cladonia
(C) Ramalin
(D) Lecanora

8. Schizolysigenous cavity is present in
(A) Maize stem
(B) Nymphaea root
(C) Sunflower root
(D) None of these

9. An embryo may sometimes develop from cell of an embryo sac other than egg
(A) Apospory
(B) Partheogensis
(C) Parthenocarpy
(D) Apogamy

10. Systematic deals with
(A) Identification of organisms
(B) Classification of organisms
(C) Diversity of all organisms and existing relationships amongst themselves
(D) Identification, naming and classification of both plants and animals

11. Plants need one of the following for ATP formation
(A) N, P
(B) N, Ca
(C) K
(D) N, Cu

12. The overall goal of glycolysis, Krebs cycle and electron transport system is the formation of
(A) Sugars
(B) Nucleic acids
(C) ATP in stepwise units
(D) ATP in one large oxidation reaction

13. A sudden change from anaerobic to aerobic process produces
(A) Emerson effect
(B) Hill reaction
(C) Pasteur effect
(D) Blackman’s Law

14. Root pressure occurs when there is:
(A) More transpiration and more absorption
(B) Less transpiration and more absorption
(C) Less transpiration and less absorption
(D) More transpiration and less absorption

15. At which times there is no net gaseous exchange between leaves and the atmosphere
(A) Day time
(B) Night time
(C) Dawn and Dusk
(D) Midnight

16. NADPH+ is reduced to NADPH in:
(A) PSI
(B) PSII
(C) Non-cyclic photophosphorylation
(D) Calvin cycle

17. A competitive inhibitor of succinate dehydrogenase is:
(A) Malate
(B) Oxaloacetate
(C) Ketoglutarate
(D) Malonate

18. How many stomata cover the leaf surface?
(A) 0.03-0.04%
(B) 10%
(C) 1-2%
(D) 50%

19. Phytohormone which induces triple response is:
(A) ABA
(B) C2H4
(C) IAA
(D) GA3

20. The pH of a solution is 8.3 what is the [OH]?
(A) 5 x10-9
(B) 1x 10-7
(C) 2x 10-6
(D) 5 x10-6

21. The electrophoresis technique that uses isoelectric focusing is:
(A) AGE
(B) PFGE
(C) 2D-PAGE
(D) SDS-PAGE

22. In infrared spectroscopy, which frequency range is known as fingerprint region:
(A) 400-1400 cm-1
(B) 1400-900 cm-1
(C) 900-600 cm-1
(D) 600-250 cm-1

23. Vaccination is an example of
(A) Naturally acquired active immunity
(B) Artificially acquired active immunity
(C) Naturally acquired passive immunity
(D) Artificially acquired passive immunity

24. Synthetic seed is produced by encapsulating somatic embryo with:
(A) Sodium chloride
(B) Sodium alginate
(C) Calcium acetate
(D) Sodium nitrate

25. In tissue culture medium, the embryoids formed from pollen grains are due to:
(A) Cellular totipotency
(B) Organogenesis
(C) Double fertilization
(D) Test tube culture

26. The phenomenon of the reversion of mature cells to meristematic state leading to formation of callus:
(A) Redifferentiation
(B) Dedifferentiation
(C) Either (A) or (B)
(D) None of these

27. In tomato, fruit is a:
(A) Drupe
(B) Berry
(C) Pepo
(D) Achene

28. The final phase of development is:
(A) Juvenile
(B) Maturity
(C) Seedling
(D) Senescence

29. The water potential of pure water at atmospheric pressure is:
(A) -2.3 bar
(B) +2.3 bar
(C) zero bar
(D) one bar

30. Synchronization of reproductive behavior of plants with their environment is done by:
(A) Photoperiod and vernalization
(B) Respiration and vernalization
(C) Transpiration and photoperiodism
(D) Respiration and transpiration

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