1. Where in a eukaryotic cell, DNA can be found ?
I ) Nucleus
II) Mitochondria
III ) Vacuole
IV) Chloroplast
Choose the right answer
A) Only I
B) I and II
C) I, II and III
D) I, II and IV
2. Which of the following organelle is directly connected to the outer membrane of the nucleus in a eukaryotic cell ?
A) Mitochondria
B) Lysosome
C) Golgi apparatus
D) ER
3. Read the following statements
I. The cell came from a single celled or multi celled organism.
II. The cell has a nucleus or not
III. The cell has cytosol or not
IV. DNA is present in the cell or not.
According to the above statements the best criterion for deciding whether a cell is prokaryotic or eukaryotic ?
A) Only I
B) Only II
C) III and IV
D) Only IV
4. Antibiotics are product of
A) Bacteria and Fungi
B) Fungi and parasites
C) Parasites and Bacteria
D) Fungi and Algae
5. Which of the following sequence is correct in meiotic prophase :
A ) Leptonema – Diplonema – Zygonema – Pachynema – Diakinesis
B ) Leptonema –– Zygonema – Pachynema – Diplonema- Diakinesis
A ) Pachynema – Leptonema – Diplonema – Zygonema –– Diakinesis
A ) Leptonema – Diplonema – Zygonema –– Diakinesis – Pachynema.
6. Cell cycle is controlled by
A) Change in the concentration of cdks
B) Change in Ca++ levels
C) Cyclins and Cdks
D) P53 and p21
7. Bacterial cell division is
P . Asymmetric
Q. Termed as binary fusion
R. Similar to budding of budding yeast
S. Faster than yeast cell division
A ) Only Q
B) P and Q
C ) Q and S
D) P, Q and R
8. DNA chip carries a large number of
X. Oligonucleotides
Y. cDNAs
Z. DNA probes
A) Only Y
B) Y and Z
C) Only Z
D) X,Y and Z
9. Bio fertilizers can be used to achieve :
A) To fix atmospheric nitrogen
B) To solubilise soil nutrients like phosphate
C) To stimulate plant growth
D) All of these
10. Which of the following element is least abundant in our body ?
A) Carbon
B) Oxygen
C) Phosphorus
D) Hydrogen
11. Eukaryotic genome differs from prokaryotic genome in :
A) DNA is circular and single- stranded in prokaryotes.
B) Intervening sequences are present in eukaryotic DNA.
C) DNA is complexed with histones in prokaryotes
D) DNA is organized into operons in eukaryotes
12. In angiosperm, triple fusion produces
I) Polar nucleus
II) Secondary nucleus
III) Primary endospermic nucleus
IV) Zygotic nucleus
Choose right answer
A ) Only I
B) I & II
C) Only III
D) I & IV
13. Which of the following is not a dietary antioxidant ?
A) Vitamin C
B) Vitamin K
C) Beta- carotene
D) Vitamin E
14. Biotechnology is
A) Technology used in biology
B) Use of genetic engineering
C) Development of technology for medical application
D) Use of microorganisms in industrial processes.
15. Transgenic plants containing genes for drought and salt tolerance, improved quality for value addition and increase shelf life are produced through
A) Genetic transformation
B) Genetic drift
C) Genetic transduction
D) Genetic transfection
16. Amethod of estimating the size and abundance of a particular transcript is known as
A) Southern blot
B) Northern blot
C) Both A and B
D) None of these
17. tRNA synthesis is done by
A) RNA Polymerase I
B) RNA Polymerase II
C) RNA Polymerase III
D) A and B
18. The antibody protein is called
A) Single cell proteins
B) Gelation
C) Immuno globuline
D) Gamma globuline
19. During stress which of the following phytohormone is accumulated ?
A) Auxin
B) GA
C) ABA
D) IAA
20. Haploid production cannot be done through
A) Pollen culture
B) Callus culture
C) Anther culture
D) Hybridization
21. Acid rain is caused by
A) Excess production of coal gas
B) Excess release of CO2 due to increasing combustion and respiration.
C) Excess release of SO2 and NO2 from burning fossil fuels.
D) Excess production of gaseous hydrocarbons
22. Major reason of soil erosion in India is
A ) Tilling of land
B) Deforestation
C) Overgrazing and deforestation
D) Overgrazing
23. The biological amplification of DDT in the various trophic levels is known as
A) Green house effect
B) Bio magnification
C) Entrophication
D) Pollution
24. Ozone layer is getting depleted because of
A) Excessive use of automobiles
B) Excessive formation of industrial units
C) Excessive uses of man made compounds containing both fluorine and chlorine
D) Excessive deforestation
25. The sunflower crop requires cool climate from
A) Germination of seedling stage
B) Seedling to flowering stage
C) Flowering to maturity stage
D) Seedling to maturity stage
26. Effect of pollution is most marked by
A) Natural balanced of nature
B) Natural geochemical cycles
C) Natural flora of place
D) All of these
27. Chipko movement originated in
A) Silent valley of Kerala
B) Kangra valley of Himachal Pradesh
C) Tehri Garwal of UP
D) Panchmari of MP
28. Who is the father of Indian Plant pathology ?
A) E.T Butler
B) K.C. Mehta
C) R.S Singh
D) R. Verma
29. Bordeaux mixture is a
A) Copper fungicide
B) Sulphur fungicide
C) Dithiocarbamate
D) Red leaf spot
30. In red rot ofsugarcane, the reddening is found in
A ) Parenchyma
B) Pith
C) Phloem
D) Xylem
31. Generally plant virus posses a
A) Single stranded RNA
B) Double stranded RNA
C) Double stranded DNA
D) Single stranded DNA
32. Animal cell culture is used to produce
A) Enzymes and hormones
B) Interferons and monoclonal antibodies
C) Virus vaccines and hybrid antibodies
D) All of these
33. ‘Single cell protein’ is represented by
P. Protein from microbes
Q. Protein from cell membrane
R. Microbial biomass
Choose right answer
A ) Only P
B) P & Q
C) Only R
D) P & R
34. The use of GM crops relates to
A) Biodiversity, ecology and bio safety
B) Environmental and social concerns
C) Ethical concerns
D) All of these
35. WHO has launched Global Immunization programme for which disease ?
A ) Pertusis and Tetanus
B) Diphtheria and Measles
C) Polio and T.B.
D) All of these
36. AFLP utilize :
A) Chromosome walking
B) Southern hybridization
C) PCR
D) In situ hybridization
37. Which is known as Drosophilla of plant kingdom ?
A) Nicotiana tabaccum
B) Arabidopsis thaliana
C) Daucus carota
D) Capsicum annum
38. Which genetic transformation techniques can be used in monocots ?
P) Particle gun
Q) Agrobacterium- mediated
R ) Electro poration
Choose right answer
A ) Only P
B) P & Q
C) Only R
D) P,Q & R
39. Gel filtration separates macromolecules on the basis of
A) Colour
B) Mass
C) Charge
D) Specific binding
40. Which techniques may used PCR ?
P. DNA foot printing
Q. DNA finger printing
R. Restriction mapping
S. Gel retardation assay
Choose right answer
A ) Only Q
B) P & S
C) Only R
D) P & R
41. Which markers are used in restriction of enzymes ?
A ) RFLP
B) AFLP
C) Microsatelite markers
D) A and B
42. Monoclonal antibodies are being used for diagnosis of which disease ?
P . Hepatitis B
Q. Cancer
R. Venereal diseases
A) Only P
B) P & Q
C) Only Q
D) P, Q & R
43. RuBisCO function is
A. Photorespiration in C3 plants
B) Fixation of CO2 in C3 plants
C) Respiration
D) A and B
44. RNA is not involved in
P. Enzymatic activity
Q. Protein synthesis
R. Chromosome structure in eukaryotes
S. Heridity
A ) Only R
B) P & S
C) Only Q
D) P & R
45. Haploid plants can be obtained by
A.) Anther culture
B) Ovary culture
C) Interspecific hybridization
Leave a Comment