Question 1 :
puffs in giant chromosome and loops in lampbrush chromosome are the sites of-
Question 3 :
S1- Hyaloplasm is the liquid matrix of cytoplasm except organelles.
S2- Trophoplasm is the part of cytoplasm containing organelles and non-living Inclusions.
Question 7 :
1) genetic material of RTBV is dsDNA
2)BLB is also called as Rich man's disease.
3) Tungro infected plants can be chemically identified by Iodine test.
4)Xanthomonas enters the plants through hydathodes(water pore)
find the incorrect statement/s
Question 8 :
S1; Tungro of rice is a composite disease.
S2; Tungro is caused by 2 morphologically unrelated virus.
Question 9 :
Shyama is the the pureline selection from Kaalimoonch in the crop
Question 10 :
which of the following are not the symptom of Downy mildew of Maize?
Question 11 :
Find the correct statement/s
1) Nucleosome fibre is also called 10nm fibre.
2) H1 histone remains most conserved during process of evolution.
3)Folded fibre model is the most acceptable model of organisation of chromatin fibre.
4) H3 histone is arginine rich
Question 12 :
Metalaxyl is the fungicide acts against oomycetes fungus, and it acts on-
Question 15 :
1) in case of PM of mango infection starts from inflorescens.
2)Erysiphe polygoni is rarely found in India
3)conidia of PM spread in orchard along the direction of wind
4)when PM attack the mango plant after fruit set, they don't grow in size and may drop before attaining pea size.
5) PM becomes severe in cooler months.
the correct statements from above is-
Question 17 :
which of the following is not the seed borne pathogen from the following is-
Question 21 :
1) moderately repetitive DNA is clustured at specific location in the genome.
2) they are present 2-5 lakh copies per genome.
3)they includes genes for histones, ribosomal RNA and ribosomal proteins.
4) they contain most of structural genes.
the correct statement/s is-
Question 23 :
A: its accepted that, loops of lampbrush chromosomes are made-up of fully extended single DNA double helix.
R: RNAase and protease digestion of loops generates DNAase susceptible 20A thick fibres.
Question 25 :
When we see a dividing cell, cell plate forms during division in plant cell which later develops into
Question 29 :
1) Endoplasmic reticulum is generally not found in RBC, eggs, undifferentiated cells & prokaryotic cells.
2) ER is connected to both plasma lemma as well as nuclear envelop.
3) all ribosomes remain free in the cytoplasm in prokaryotes.
4) in low Mg++ conc. both subunits of ribosome associates.
the correct statement is-
Question 30 :
1) Endoplasmic reticulum is generally not found in RBC, eggs, undifferentiated cells & prokaryotic cells.
2) ER is connected to both plasma lemma as well as nuclear envelop.
3) all ribosomes remain free in the cytoplasm in prokaryotes.
4) in low Mg++ conc. both subunits of ribosome associates.
the correct statement is-
Question 31 :
match the following-
A. smith, nathan & Arber. 1) PCR
B. carry mullis 2) cistron
C. Benzer. 3)genetic code
D. Crick. 4) endonuclease
Question 33 :
S1- kornberg developed the in-vitro synthesis of DNA.
S2- Ochoa done in-vitro synthesis of RNA.
Question 39 :
microfilaments are involved primarily in cell movement and flowing movements of amoeba
Question 43 :
mass pedigree method was first time used by ............. in ........... crop
Question 45 :
1) Natural selection improves productivity of the crop population
2) mass selected varieties has broad genetic base than purelines.
3) theoritically, purelines are more uniform than clones
4) hybridization b/w 2 clones leads to segregation in F1 generation.
find the correct statement/s
Question 50 :
During meiosis, homologous chromosomes fail to pair, this phenomenon is termed as-
Question 51 :
Stages of cell cycle. C-value
1)S-phase. a) C
2)Metaphase1. b) 2C
3)Metaphase2. c) 4C
4)Anaphase1
5) Anaphase2
Question 52 :
when DNA replication occurs without cell division or nuclear division, this process is called
Question 55 :
charcoal rot of maize is caused by............., and its characteristic symptom is....................
Question 56 :
match the following
1) Macrophomina phaseolina. a) Rhizoctonia bataticola
2)Rhizoctonia solani. b) Thanetophorus cucumeris
3) Helminthosporium oryzae. c) Cochliobolus myabeanous
4) Pyricularia oryzae. d) Magnoporthe grisea
Question 57 :
first leaf blast model for forecasting of blast disease in rice was
Question 60 :
False statement regarding brown spot of rice is-
1) caused by Helminthosporium oryzae.
2) Helminthosporium attack rice plant in booting stage.
3) sexual stage is Cochliobolus myabeanous.
4) it produces toxins namely OphiobolinA, Ophiobolin B, & Ophiobolin-I
Question 61 :
False smut of rice was responsible for Bengal femine in 1942-43
Question 65 :
an organism have 30 kDa DNA in G2 phase of its cell, what will be the amount of DNA present in it's anaphase?
Question 66 :
synaptonymal complex is formed in which of following sub-stage of meiosis1
Question 67 :
match the following
A) Leptotene. 1) pairing between homologous chromosomes and synthesis of the remaining 0.3% DNA completed
B) Zygotene. 2)all the chromosomes appear as loose ball of wool
C) Pachytene. 3) terminalization of chiasmata begins
D) Diplotene. 4) chiasma terminalization and further chr. condensation.
E) Diakinesis. 5) Crossing over between homologous chromosomes
Question 70 :
which of the following histone is not the constituent of histone octamer
Question 71 :
perfectly symmetrical karyotype has reference to which of the following feature of chromosome?
Question 72 :
correct statements from the following
1) karyotypes show somatic chromosome complement
2) idiotype present haploid chromosome complement of the cell.
3) both gives same amount of information.
4) karyotype represent actual photographs of chromosomes, where as idiotype represents the diagrams of chr.
Question 74 :
heterochromatin takes .......... stain during interphase and ........... stain during metaphase
Question 77 :
facultative heterochromatins are originally heterochromatins, behaves like Euchromatin in very active cells
Question 78 :
S1- sat-chromosomes are present in nucleolar region.
S2- sat-chromosomes contain genes coding for ribosomal RNA
Question 81 :
In 1 micron of metaphase chromosomes, how long DNA duplex is packaged?
Question 82 :
match the following-
1) plectonemic coiling. a)mitotic metaphase
2)paranimic coiling. b) metaphase-1
3) co-orientation. c) mitotic prophase
4) auto-orientation. d) meiotic prophase
Question 84 :
match the following stages of prophase 1 to its greek meaning-
1) leptotene. a) paired thread
2) Zygotene. b) thin thread
3) pachytene. c) thick thread
4) diplotene. d) moving thread
5) diakinesis e) two thread
Question 88 :
In case of the simplest form of progeny selection, ear to row method, each selection cycle requires how many years?
Question 90 :
match the following
1) johansson. a)genetics
2) vilmorin. b) genotype
3) bateson. c) progeny test.
4) Anton de bary. d) heteroceous
Question 92 :
S1- Improved pusa basmati-1 and Improved sambha mahsuri is the bacterial blight resistant rice varieties.
S2- Swarna sub-1 is the submergence tolerant rice varieties
Question 93 :
use of Texas male sterility cytoplasm causes man made epidemic in maize due to its susceptibility for-
Question 98 :
S1- Brown leaf spot in rice is more prevalent in soils having low nutrient status, or weak plants.
S2- Bipolaris oryzae is a facultative parasite
Question 99 :
which of the following symptoms are commonly present in BLB
1) kresek phase
2)Oozing
3) wavy margin
4) wilt phase
Question 104 :
1) bunchy top of banana is transmitted by pentalomia nigronervosa.
2) banana mosaic is caused by Cucumber mosaic virus.
3) banana bract mosaic virus (BBMV) is transmitted by Aphid
incorrect statement from above
Question 109 :
spots of anthracnose of mango seen on fruit on which part-
Question 113 :
Pureline selection is generally done for the characters having high heritability
Question 114 :
S1- generally mass selected varieties have high yield than pureline varieties.
S2- mass selected varieties have broad genetic base.
Question 115 :
S1- pureline selection is used in self pollinated and often cross pollinated crops
S2- mass selection is used in both self and cross pollinated species
Question 116 :
Malviye Vikalp is the pureline selection of pigeonpea from material derived from
