Botany 27
Description: Botany 27 | |
Number of Questions: 34 | |
Created by: Tanuja Atwal | |
Tags: Botany 27 Tissue Culture Gene Expression and Regulation Regulation of Gene Expression Mutation Plant Breeding Ribosomes Endomembrane System of Cell |
Each gene occupies a point on a chromosome called
The plant hormones used in tissue culture method to induce the formation of shoot and root
The experiments of ______ proved that the genetic material of TMV is RNA.
The process of transferring plantelets developed during tissue culture to pots and subjected gradually to natural environmental conditions is called
_________ can change the dihybrid ration in F2 generation.
In a DNA, there are ______ weak bond(s) between adenine and thymine and _____ weak bond(s) between guanine and cytosine.
A valuable tool for plant breeding and improvement of crop plants
Which of the following is a genetic material?
The common name for Mirabilits jalapa is
DNA is a __________ nucleotide.
Ribosomes are made up of
Mutations which occur in nature are called
An example of incomplete dominance is
___________ is an example of incomplete dominance.
tRNA molecule model is ______ in shape.
_____ forms 3 to 5% of the non-genetic RNA.
A large seeded mutant variety of Bengal gram
A dwarf variety of sweet pea
Virus free potatoes, tulips, sugarcanes, orchids etc. have been produced with the help of a technique
X-rays , UV rays, mustard gas, nitrous acid, formaldehyde can induce
MacLeod and McCarthy identified the main substance of transformation in bacteria as
The prokaryote used as host in genetic engineering technique
_________ ratio of Bateson and Punnett in Lathyrus odoratus does not confirm to the law of independent assortment.
The ratio of complementary genes and the ratio of epistasis are
Species differentiation and production of different varieties in many plants are brought about by
Diplococus pneumoniae causes
Griffith effect is also known as bacterial
The monohybrid and dihybrid crosses performed by Mendel lead to a monohybrid phenotype ratio, a genotype ratio and a dihybrid phenotype ratio, respectively, of
In the inheritance of complementary genes in sweet pea, the plants having the genotype CcPp produce flowers of
The number of chromosomes in a somatic cell of Pisum satiaum is
Which one of the following is a genetically significant mutation?
Directions: Following question consists of two statements, one labeled as 'Assertion A' and the other labeled as 'Reason R'. You are to examine these two statements carefully and decide if the Assertion (A) and the Reason (R) are individually true and if so, whether the Reason is a correct explanation for Assertion. Select your answer from the codes given below.
A: If pollen of tall plant is transferred to the stigma of dwarf plant or pollen of dwarf plant is transferred to the stigma of tall plant, the F1 progeny were all tall
Directions: Following question consists of two statements, one labeled as 'Assertion A' and the other labeled as 'Reason R'. You are to examine these two statements carefully and decide if the Assertion (A) and the Reason (R) are individually true and if so, whether the Reason is a correct explanation for Assertion. Select your answer from the codes given below.
A : A recessive trait expresses only in homozygous condition R : The allels will segregate at the time of gamete formation
A cross between a hybrid and a ressive parent, and a cross between a hybrid and a pure breeding parent are known as