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Botany Mcqs :: All Aptitude Test ::

Home » GAT Subject » Botany Mcqs » Aptitude Test - 2
1.Name the organization which provides rules for naming animals?
A. ICZN
B. ICN
C. ICBN
D. ICZN
2.Who is considered as the father of taxonomy?
A. Aristotle
B. Linnaeus
C. Earnst Haeckel
D. Aristotle
3.What is tautonym?
A. These are the repeated sequences
B. It is a name of fish
C. Identical name of genus and species
D. These are the repeated sequences
4.What is the term given to a duplicate specimen of original type?
A. Lectotype
B. Holotype
C. Isotype
D. Lectotype
5.The general structure of all amino acids are same except for?
A. Lysine
B. Glycine
C. Proline
D. Lysine
6.Which of these amino acids are not optically active?
A. Cysteine
B. Lysine
C. Arginine
D. Cysteine
7.Which of these are used to measure optical activity?
A. Polarimeter
B. Planometer
C. Psychrometer
D. Polarimeter
8.A solution of L-alanine (4.0g/50 ml of 6 N HCl) has a rotation of +1.61° in a 2dm polarimeter tube. Calculate the specific rotation of L-alanine in 6 N HCl.
A. +15.1°
B. +10.1°
C. +11.1°
D. +15.1°
9. Name the amino acid, which exists in two non-superimposable mirror images of each other?
A. Epimer
B. Anomer
C. Enantiomer
D. Epimer
10.Which of these are rare amino acid in a protein?
A. Leucine and serine
B. Lysine and glutamic acid
C. Tryptophan and methionine
D. Leucine and serine
11.In which amino acid Imidazole group, an aromatic ring found?
A. Lysine
B. Arginine
C. Histidine
D. Lysine
12.What is the maximum wavelength that Tryptophan and tyrosine absorb?
A. 280nm
B. 260nm
C. 257nm
D. 280nm
13.How is the secondary structure of a protein stabilized?
A. Van der wall forces
B. Hydrogen bonding
C. Covalent bond
D. Van der wall forces
14.How many amino acid residues are there in per turn of α-helix?
A. 3.6
B. 4.6
C. 3.0
D. 3.6
15.Carpogonia is the female sex organ in which of the algae ?
A. Rhodophycophyta
B. Xanthophycophyta
C. Chrysophycophyta
D. Rhodophycophyta
16.The xanthophyte walls are typically of ?
A. Chitin
B. Cellulose
C. Cellulose and pectin
D. Chitin
17.Chrysamoeba exists in which of the following forms ?
A. Nonmotile coccoid
B. Filamentous
C. Amoeboid
D. Nonmotile coccoid
18.Lipopolysaccharide in cell walls is characteristic of?
A. Gram-positive bacteria
B. Gram-negative bacteria
C. Fungi
D. Gram-positive bacteria
19.Which microorganism(s) among the following perform photosynthesis by utilizing light?
A. Cyanobacteria
B. Fungi
C. Viruses
D. Cyanobacteria
20.Growth of microbes in a solid media is identified by the formation of?
A. Pellicle at the top of media
B. Colonies
C. Sediment at the bottom
D. Pellicle at the top of media
21.What are the blood serum proteins produced by animals called?
A. Enzymes
B. Antibodies
C. Amino acids
D. Enzymes
22.The DNA molecule of microorganisms is made up of base pairs of?
A. Guanine-cytosine
B. Adenine-thymine
C. Adenine-cytosine
D. Guanine-cytosine
23.The DNA of Klebsiella pneumonia has a moles % G+C content of?
A. 70-71
B. 50-53
C. 56-58
D. 70-71
24.Bdellovibrios come under which group of microorganisms?
A. Viruses
B. Bacteria
C. Fungi
D. Viruses
25.Phycomycetes are belongs to
A. Sac fungi
B. Lower fungi
C. Club fungi
D. Sac fungi
26. Carpogonia is the female sex organ in which of the algae?
A. Rhodophycophyta
B. Xanthophycophyta
C. Chrysophycophyta
D. Rhodophycophyta
27.The xanthophyte walls are typically of _____________________
A. chitin
B. cellulose
C. cellulose and pectin
D. chitin
28. Vaucheria is a single-celled organism.
A. True
B. False
C. --
D. True
29. Chrysamoeba exists in which of the following forms?
A. nonmotile coccoid
B. filamentous
C. amoeboid
D. nonmotile coccoid
30.In the rainy season, doors get swelled up due to
A. Transpiration
B. Imbibition
C. Diffusion
D. Transpiration
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