Which cell organelle is often called the "suicide bag" of the cell?
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Golgi apparatus
-
Lysosome
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Vacuole
-
Centriole
The nucleus was discovered in the year _______ by Robert Brown.
Who discovered lampbrush chromosomes during mitosis?
-
C.F. Nasse
-
E. Strasburger
-
W. Flemming
-
A. Schneider
Statement 1: The terms "transition" and "transversion" were introduced by E. Freese. Statement 2: The term "nucleic acid" was introduced by Altman.
-
Statement 1 is correct and statement 2 is incorrect
-
Both are correct statements
-
Both are incorrect statements
-
Statement 1 is incorrect & statement 2 is correct
Spherosomes are found only in _______ cells.
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Animal
-
Plant
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Both A & B
-
None
Tirak is a disorder found in the _______ crop.
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Marigold
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Tobacco
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Lucerne
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Cotton
Pairing of homologous chromosomes takes place during the _______ stage of meiosis.
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Leptotene
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Zygotene
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Diplotene
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Pachytene
Golgi bodies arise from the _______ endoplasmic reticulum.
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Rough
-
Smooth
-
Both A & B
-
None
The mass selection breeding method is based on ______ screening.
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Phenotype
-
Genotype
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Both A & B
-
None
Which scientist(s) isolated DNA ligase?
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B. Muller-Hill & W. Gilbert
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J.D. Watson & F.H.C. Crick
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F. Jacob & J. Monod
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B. Weiss & C.C. Richardson
Statement 1: The term "endoplasmic reticulum" was introduced by Porter in 1948. Statement 2: The endoplasmic reticulum provides a passage for DNA from the nucleus to the cytoplasm.
-
Both are incorrect statements
-
Both are correct statements
-
Statement 1 is correct and statement 2 is incorrect
-
Statement 1 is incorrect & statement 2 is incorrect
Chromosomes were discovered by ______.
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Robert Hooke
-
Purkinje
-
Waldeyer
-
Strasburger
Who developed the chi-square test?
-
Galton
-
Rimpau
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Morgan
-
Pearson
The contribution of Wilson and Stevens to genetics is the discovery of ______.
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X chromosome
-
Y chromosome
-
B chromosome
-
Both A & B
Coconut is a ______ plant.
-
Dioecious
-
Monoecious
-
Both A & B
-
None
Which paper was published by Mendel outlining his laws of inheritance?
-
Experiments in Plant Reproduction
-
Experiments in Plant Genetics
-
Experiments in Plant Hybridization
-
Experiments in Plant Linkage
The phenotypic ratio of a trihybrid cross is ______.
-
27:9:9:3:3:3:1
-
27:9:9:9:3:3:3:1
-
27:9:9:9:3:3:1
-
27:9:9:9:3:3:3:3:1
The term "histone" was coined by ______.
-
S. Benzer
-
C. Benda
-
A. Kossel
-
E. Heitz
Onion, cucurbits, and sunflower 🌻 show ______ inbreeding depression.
Which of the following does NOT belong to the cleistogamy category?
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Rice
-
Wheat
-
Barley
-
All of the above
Which of the following is NOT a chemical mutagen?
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Methyl methane sulfonate
-
Ethyl methane sulfonate
-
Sodium methyl arsenate
-
All of the above are chemical mutagens
In the pedigree method of breeding, individual plants are selected from the ______ generation.
Isogenic lines are those that ______ for a single locus.
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Are the same
-
Differ
-
Both A & B
-
All of the above
The "one gene-one polypeptide" hypothesis was proposed by ______.
-
W. Sutton
-
M. Kimura
-
V.M. Ingram
-
Beadle & Tatum
Statement 1: The term "B chromosome" was given by F. d'Herelle. Statement 2: The term "eukaryote" was given by W. Kuhne.
-
Both statements are correct
-
Both statements are incorrect
-
Statement 1 is incorrect & statement 2 is incorrect
-
Statement 1 is correct and statement 2 is incorrect
Which statement is wrong about breeder seed?
-
Golden yellow tag denotes breeder seed
-
These seeds are 100% pure
-
Very little in quantity and often cheap
-
All are correct statements
The ability of seed to emerge in varying environments of fields?
-
Seed viability
-
Seed vigour
-
Seed germination
-
Seed quality
The Seed Act came in the year _____?
The first private seed company was established in India in which place?
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Mumbai
-
Kolkata
-
Chennai
-
Annamalai
The rolled towel method is not suitable for which crop germination test?
-
Gram
-
Mustard
-
Tomato
-
Wheat